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Highlights on the Fourth Week of February, 2018. Mining and Exploration News in Mexico

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By Jorge Cirett

During the 8th week of the year (February 19th to February 25th, 2018), at least 26 press releases were announced by companies working in Mexico, with five companies reporting quarterly and/or full year 2017 results. ON MEXICO ISSUES, no relevant news. ON EXPLORATION, In Sonora, Azure is to continue drilling its Sara Alicia Au-Co-Zn project; Evrim described the Sarape low sulfidation project. ON MINING, five companies, Starcore, Osisko Gold Royalties, Alio Gold, Argonaut Gold and Great Panther presented production results for the quarter and/or full year 2017.  ON FINANCING, Torex Gold announced an over-allotment of shares, taking the gross proceeds of its last offering to C$63.32 M. Evrim is accelerating the exercise of warrants that could add to up to $2.94 M. ON RESOURCES AND DEVELOPMENT, Pan American, Avino Silver and Alamos Gold presented resource estimate updates for its operating units to the end of 2017. Southern Silver Exploration presented an updated mineral resource estimate for its Cerro Las Minitas property in Durango. Endeavour presented an update on development of its El Compas project in Zacatecas. Silver Bull disclosed drill results from its Sierra Mojada property in Coahuila. Almaden Minerals released more infill drill results from its Tuligtic project in Puebla. ON DEALS AND CORPORATE ISSUES, Leagold announced the proposed take-over of Brio Gold, which owns a mine in Brazil. Bacanora Minerals is in the paperwork to move from the Canadian TSX to the British AIM stock exchange. Coeur Mining signed a LOI with Evrim on the acquisition of the El Sarape project in Sonora. Oroco Resource acquired interest on three concessions surrounding the Santo Tomas deposit in Sinaloa.

ON MEXICO ISSUES

  • No relevant news

ON EXPLORATION

  • Azure Minerals Ltd. intends to resume drilling within two weeks at the Sara Alicia project in Sonora. The mineralized zone consists of carbonate rocks intruded by a porphyry, forming a skarn horizon hosting massive and semi-massive sulfides with Au-Co grades. The mineralized body has a strong magnetic signature, extending for 300 m by 150 m and modelling of the magnetic data indicates a considerable vertical extent. The best intercept from the previous drilling was 26.2 m @ 9.5 g/t Au, 1.26% Co.
  • Evrim Resources Corp. described the Sarape project in Sonora, recently optioned to Coeur Mining Inc. There are two major veins, The Sarape vein is 6 km long and up to 12 m in width, while the Chiltepin vein measures 2.6 km in length and up to 3 m in width. The western part of both veins contains barren white quartz and calcite veins, whereas the eastern portion is composed by a separate phase of low temperature, tan green quartz that consistently assays from 0.10 to 0.36 g/t Au, peaking at 3.6 g/t Au. Neither vein has been drilled.

ON MINING

  • Starcore International Mines Ltd. released production results for Q3 2018, ended on January 31, 2018. During the period 65.6 K tonnes were milled @ 1.23 g/t Au, 16 g/t Ag, producing 2,405 AuEq Oz at its San Martin mine in Queretaro. Recoveries stood at 83.7% Au, 53.3% Ag. The Altiplano facility in Matehuala, San Luis Potosi, received 176 tonnes of concentrate containing about 222 Oz Au, 35,634 Oz Ag, and sold 269 Oz Au, 23,561 Oz Ag.
  • Osisko Gold Royalties Ltd. presented Q4 2017 and full year 2017 results. While not presenting numbers, it reports an offtake agreement on production from Gogold’s Parral project in Chihuahua.
  • Alio Gold Inc. provided its fourth quarter and year end 2017 results. During the year the San Francisco mine in Sonora produced 83,211 Oz Au, 38,911 Oz Ag, with 16,067 Oz Au, 7,873 Oz Ag produced during the fourth quarter 2017. At the Ana Paula project in Guerrero, Alio invested $17.3 M, with work ongoing for the definitive feasibility study (FS). Cash and cash equivalents by the end of 2017 amounted to $51.6 M, while working capital was $61.7 M.
  • Argonaut Gold Inc. announced its financial and operating results for the fourth quarter and full year 2017. At El Castillo in Durango, during the year 8.14 Mt (tonnes) of ore,10.4 Mt of waste were moved, for a 51 K tonnes per day (tpd) rate, with the ore grading 0.36 g/t Au to produce 59,000 Oz Au at cash cost $1,015 per sold Au Oz. At San Agustin in Durango, since starting commercial production in October 1, 939 Kt of ore @ 0.5 g/t Au and 404 Kt of waste were moved for a 15 K tpd operation, to produce 10,302 Oz Au, 45,100 Oz Ag at cash cost $385 per Au Oz sold. At La Colorada in Sonora 18.87 Mt of ore @ 0.54 g/t Au and 23.35 Mt of waste were moved at a 64 K tpd rate to produce 50,796 Oz Au, 174,330 Oz Ag at cash cost of $691 per Oz Au sold. During the fourth quarter $2.8 M of income tax was recovered. For 2018 the company expects to produce 165 K to 180 K AuEq Oz.
  • Great Panther Silver Ltd. reported financial results for 2017. Without disclosing production by unit, the Topia (Durango), San Ignacio (Guanajuato) and Guanajuato mine complex produced 1.98 M Oz Ag, 22,501 Oz Au at cash cost $5.76 per Ag Oz, cash cost of $12.11 per AgEq Oz and AISC of $15.07. Cash and short-term deposits at year-end were $56.9 M.

ON FINANCING

  • Torex Gold Resources Inc. issued as an over-allotment an additional 130,500 common shares on the previously announced offering, augmenting the aggregate gross proceeds to C$63.32 M.
  • Evrim Resources Corp. is accelerating the exercise date of the company’s common share purchase warrants date December 16, 2015. If all the remaining outstanding warrants were exercised, these would raise cash proceeds of $2.94 M.

ON RESOURCES AND DEVELOPMENT

  • Endeavour Silver Corp. reported an update on development progress at El Compas project in Zacatecas. The plant refurbishment is 90% complete, mine power and mine portal infrastructure completed and only 100 m of development to reach the ore body. The plant design has been modified to increase capacity from 250 tonnes per day (tpd) to 325 tpd, with the mine plan expanded from 200 tpd to 250 tpd, with potential to go to 500 tpd. The improved operating metrics would take production to 1.175 M AuEq Oz per year, and needs an increase of only 13% on Capex.
  • Pan American Silver Corp. updated mineral reserves and resources, including figures for its properties in Mexico. Globally Pan American mined 30.6 M contained Ag Oz of its silver reserves, but replaced 33.2 M contained Ag Oz, to end 2017 with 288.4 M contained Ag Oz.Pan American REserves and Resources, 201711
  • Silver Bull Resources Inc. released results of seven drill holes targeting the Sulfide Zone under the oxide resource at its Sierra Mojada project in Coahuila. Significant results comprise 2 m @ 70 g/t Ag, 0.25% Cu; 2 m @ 1,300 g/t Ag, 13.5% Zn, 3.9% Cu, 2.9% Pb; 4 m @ 10 g/t Ag, 4.3% Zn; 6 m @ 5.8% Zn, 0.47% Cu; 6 m @ 802 g/t Ag, 5.9% Zn, 3.3% Cu, 0.5% Pb.
  • Avino Silver & Mines Ltd. completed an updated mineral resource estimate for the Avino property in Durango. This updated mineral resource estimate includes 34 drill holes that were completed during the drill programs from 2016 to 2017.Avino, Resource update, FEb. 20181
  • Alamos Gold Inc. reported updated mineral reserves and resources as Dec 31, 2017, including figures from its Mexican operations. The company has 5.07 M Oz Au in mineral reserves and resources in its Mexican projects, according to the table below. A total of $13 M and 41,500 m of drilling has been budgeted at Mulatos for exploration in 2018, with focus on Carricito.Alamos Gold Reserves and Resources 20171
  • Almaden Minerals Ltd. released drill results from the infill program at its Tuligtic project in Puebla. The holes were drilled beneath the proposed pit, which stresses the potential for expansion. Highlighted intervals comprise: 101.45 m @ 1.94 g/t Au, 13 g/t Ag, including 46.20 m @ 3.87 g/t Au, 15 g/t Ag, and 28.95 m @ 5.61 g/t Au, 20 g/t Ag, and 13.10 m @ 9.35 g/t Au, 25 g/t Ag; 53.90 m @ 0.48 g/t Au, 38 g/t Ag, including 12.00 m @ 3.60 g/t Au, 27 g/t Ag, and 5.00 m @ 7.91 g/t Au, 38 g/t Ag; 57.55 m @ 1.29 g/t Au, 23 g/t Ag, including 3.00 m @ 16.87 g/t Au, 38 g/t Ag.
  • Southern Silver Exploration Corp. filed a NI-43-101 compliant technical report on a mineral resource estimate for its Cerro Las Minitas project in Durango. The indicated resource on the Blind Zone, El Sol, Las Victorias and the Skarn Front zones add up to 10.13 Mt @ 102 g/t Ag, 0.10 g/t Au, 1.4% Pb, 3.6% Zn, 0.15% Cu, containing 33.35 M Oz Ag, 34 K Oz Au, 319 M Lb Pb, 813 M Lb Zn, 33 M Lb Cu. The inferred resource in the Blind, El Sol and Skarn Front zones add another 8.68 Mt @ 74 g/t Ag, 0.04 g/t Au, 0.7% Zn, 4.5% Zn, 0.15% Cu, containing 20.72 M Oz Ag, 12 K Oz Au, 131 M Lb Pb, 870 M Lb Zn, 29 M Lb Cu. The four separate mineral deposits form sets of sub-parallel steeply dipping mineralized zones extending more than 1,000 m along strike and up to 600 m depth.

ON DEALS AND CORPORATE ISSUES

  • Leagold Mining Corp. announced the proposed take-over bid on Brio Gold Inc. by Leagold will now be completed on a Brio board supported basis. “The total consideration to be paid by Leagold in exchange for all of the issued and outstanding Brio shares is approximately US$279M….”. The combined entity is expected to produce between 420,000 and 475,000 oz of gold in 2018 Brio’s shareholder meeting is expected to be held in April 2018 (Los Filos, Guerrero).
  • Bacanora Minerals Ltd. entered into an arrangement agreement to facilitate the Company’s proposed reorganization to effect a re-domicile to the United Kingdom as Bacanora UK on the AIM market of the London Stock Exchange. Upon listing Bacanora UK, Bacanora Canada intends to delist from the Toronto Stock Exchange.
  • Evrim Resources Corp. signed a letter of intent (LOI) with Coeur Mining Inc. on the Sarape epithermal Au-Ag project in Sonora. The transaction involves a US$100 K in cash upon signing a definitive agreement, a first-year commitment of US$500 K in exploration. Once those terms are completed Coeur can earn-in a 51% interest by producing a NI-43-101 preliminary economic analysis (PEA) on a minimum inferred resource of 1 M Oz AuEq. Coeur can elect to earn-in an additional 39% by delivering a NI-43-101 feasibility study (FS) on a minimum measured and indicated resource of 1 M Oz AuEq. From this point Coeur will pay US$100K per year until mining and construction permits are received, at which point Evrim can elect to participate on the JV with a 20% interest, or convert that interest to a 3% NSR, of which one third can be purchased by Evrim for US$2.0 M. Evrim will be the operator up to completion of the PEA, after which Coeur shall be the operator.
  • Oroco Resource Corp. acquired a 77.5% interest on La China II and Amp. Santo Tomás Reduccion 1 mineral concessions from Santo Tomas Metals S.A. de C.V., and a 77.5% interest in an application for the Papago 17 application from Ubaldo Trevizo Ledezma, in Sinaloa. The three properties add to 6,978 ha and abut and surround the Santo Tomás copper porphyry. Oroco acquired its interest on La China II by the payment of CDN$6,700 and its interest on AMP Santo Tomas Reduccion 1 with the payment of CDN$33,400. The latter concession has been cancelled, but it is deemed to be recoverable to good standing. The Papgo 17 concession interest was acquired by the payment of CDN$6,700 and the issuance of 2 M shares. All three concessions are subject to a 2% NSR. Oroco also holds a 13.6% and an option to acquire a further 6.4% equity interest in Altamura Copper Corp., a British company that acquired the Santo Tomas concessions, and is in negotiations to acquire the remaining Altamura shares (Note for clarity.-Altamura has an ownership legal dispute with a third party on the Santo Tomas concessions, where the known deposit is).

Content like what you have just read can be seen at https://gambusinoprospector.com/ and at LinkedIn’s Mexico Mineral Exploration Group.

On the picture below, section on the San Rafael Mine, as seen at the museum of El Oro mining district in Estado de Mexico.

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Highlights on the Second Week of February, 2018. Mining and Exploration News in Mexico

/ Gambusino Prospector / Leave a comment

By Jorge Cirett

During the 6th week of the year (February 5th to February 11th, 2018), at least 30 press releases were announced by companies working in Mexico, with three companies reporting their Q4 and/or full year 2017 results. ON MEXICO ISSUES, no relevant news. ON EXPLORATION, In Sonora, Silver Viper released drilling results from its Clemente project; Canuc Resources reported good surface sample results from its San Javier project; Centerra confirmed it explored two properties in the State during 2017. In Chihuahua VVC Exploration released drilling results from its Samalayuca copper project. In Coahuila, Discovery Metals intends to drill up to seven of its project in 2018. In Guanajuato, Vangold initiated work on a PEA on its Pinguico property. In Veracruz Almadex disclosed good Cu-Au results from drilling at El Cobre project; Mexican Gold begun its 2018 drilling at Las Minas. ON MINING, Three companies, US Antimony, Maverix Metals and Coeur Mining presented production results for the fourth quarter and/or full year 2017. Auxico Resources disclosed metallurgical results from its properties in Sinaloa. Maverix Metals presented royalty earnings from its Mexican contracts. Torex Gold continues to ramp-up operations after the termination of the illegal blockade it was subject to on its El Limon – Guajes mine in Guerrero.  ON FINANCING, Three companies announced the opening and/or closing of financial rounds: Torex Gold C$61.7 M, Advance Gold $190 K, Colibri Resource CAD$1 M. ON RESOURCES AND DEVELOPMENT, Kootenay Silver released surface sample assays and from its La Cigarra property in Chihuahua, and drilling results by Pan American on its La Negra discovery in Sonora. Avino Silver released drilling results from several target areas on the Avino property in Durango. Hecla Miing reported an updated mineral reserve and resource estimate for its San Sebastian property in Durango. Endeavour Silver reported updated mineral reserve and resource estimates for six of its properties in Mexico. ON DEALS AND CORPORATE ISSUES, Silver Viper signed a LOI with Pan American Silver on the extended land package of the La Virginia property in Sonora. Evrim Resources acquired more ground on the Cuale project in Jalisco by optioning and staking. Coeur Mining announced two board changes, including the appointment of Eduardo Luna. Wolverine Minerals Corp. intends to proceed to a name change to Aloro Mining Corp.

ON MEXICO ISSUES

  • No relevant news

ON EXPLORATION

  • Discovery Metals Corp. announced an exploration budget for 2018 of C$5.2 M to do geological mapping, geochemical sampling, geophysics and first stage drilling of up to seven of its projects. At Puerto Rico in Coahuila, mapping and sampling programs, including rehabilitation of underground workings, are underway. At La Kika, also in Coahuila, 20 holes have been completed by drilling 750 m since late December 2017, focusing in high-grade Ag-Pb-Zn mineralization in mantos and a prominent breccia zone. At Minerva, in Coahuila, mapping and sampling will be followed by drilling in Q2, in a property that exhibits porphyry characteristics, transitional to skarn and CRD mineralization. At Monclova, in Coahuila, the skarn/CRD property will be mapped and sampled prior to drilling in Q2. Further work for 2018 includes mapping and sampling in Q3 of the early stage Jemi, Renata and Santa Rosa projects.
  • Silver Viper Minerals Corp. released results from drilling at its Clemente project in Sonora. Relevant core length results comprise 1.2 m @ 30 g/t Ag, 0.2% Pb+Zn; 0.7 m @ 827 g/t Ag, 0.23 g/t Au, 0.37% Cu, 1.6% Pb, 1.4% Zn; 0.5 m @ 24 g/t Ag, 0.12 g/t Au, 0.7% Pb, 1.5% Zn; 4.0 m @ 15 g/t Ag, 0.3% Pb, 2.6% Zn; 3.2 m @ 16 g/t Ag, 0.2% Pb, 2.2% Zn.
  • Mexican Gold Corp. has begun the 2018 drilling program at its Las Minas project in Veracruz. The 3,000 m program will focus on resource expansion as well as exploration drilling on El Dorado Dike contact, El Dorado Juan Bran, Santa Cruz, Nopaltepec, Cinco Señores and Las Minillas zones.
  • Vangold Mining Corp. has initiated a resource valuation and a preliminary economic assessment (PEA) on its El Pinguico project in Guanajuato. Drilling commenced on mid-January, with three of the 17 drill holes planned completed to date. The holes have intersected the underground stockpile (backfill) with an average recovery of 70% on the entire length and 43% on the broken material filling the old stopes.
  • Canuc Resources Corp. reported surface rock sample results from the Carranza and Lydia zones of its San Javier project in Sonora. At Lydia two lines of samples 40 m apart were collected perpendicular to the trend of the breccias, with one line returning 10 m @ 210 g/t Ag, 5.0 g/t Au and the other returning two separate intervals of 4.0 m @ 244 g/t Ag, 2.27 g/t Au; 99 g/t Ag, 0.36 g/t Au. At Carranza, 4.0 m averaged 100 g/t Ag, anomalous Au, and a second 6 m interval 25 m to the south averaged 162 g/t Ag, 0.83 g/t Au.
  • VVC Exploration Corp. released drilling results from its stratiform copper Samalayuca project in Chihuahua. At la Gloria zone, shallow core length intervals comprise: 7 m @ 0.46% Cu; 12 m @ 0.56% Cu; 10 m @ 0.67% Cu; 5 m @ 0.95% Cu. At Extensión La Gloria zone: 27 m @ 0.51% Cu; 51 m @ 0.36% Cu.
  • Centerra Gold Inc. released an update on its global exploration activities, which includes two Mexican plays. Both properties are explored for orogenic gold mineralization in Sonora: La Glor, explored with Riverside Resources Inc. and La Navidad project, explored along with Millrock Resources Inc.
  • Almadex Minerals Ltd. disclosed assays from the last two holes drilled on 2017 in the Raya Tembrillo and Porvenir zones of its El Cobre property in Veracruz. At Villa Rica, core length intervals intercepted 20.07 m @ 0.31 g/t Au, 0.03% Cu; 120.0 m @ 0.08 g/t Au, 0.37% Cu, including 58.0 m @ 0.15 g/t Au, 0.64% Cu (which include 38.0 m @ 0.16 g/t Au, 0.93% Cu). At Porvenir results comprise 64.5 m @ 0.37 g/t Au, 0.21% Cu (including 40.25 m @ 0.50 g/t Au, 0.25% Cu), 26.0 m @ 0.85 g/t Au, 0.27% Cu.

ON MINING

  • United States Antimony Corp. announced the sale of 76.9 K Lb Sb and 212.8 K Lb Sb during December 2017 and January 2018 respectively. Construction of the pilot cyanide leach circuit at the Puerto Blanco mill for the leaching of the Los Juarez gold and silver tailings continues making progress. Plans are to ramp up production to the mill’s 100 tpd capacity, and then increase production to 400 tpd.
  • Auxico Resources Canada Inc. announced results from innovative metallurgical testing conducted on its Aguamas and Campanillas projects in Sinaloa. The tests conducted on gravity concentrates showed recoveries of over 98% Au and 87% Ag within the same leach. These tests have been conducted over the last year using a mix of acids composed of sulfuric acid and thioria. The extraction (less than one hour) is accelerated by the use of ultrasound technology and the process uses no external heat or pressure.
  • Maverix Metals Inc. announced fourth quarter 2017 and full year production, including figures from La Colorada mine in Zacatecas. On La Colorada, Pan American Silver Corp. reported gold production of 1,258 ounces in Q4 2017 and 4,287 ounces for the full year 2017 at the La Colorada mine. Maverix has the right to purchase 100% of the payable gold production from La Colorada at the lesser of US$650/oz and the prevailing market price.
  • Torex Gold Resources Inc. informed that the processing plant continues to process 10 – 13 K tonnes per day (tpd) at its El Limon –Guajes mine in Guerrero. Recoveries have been approximately 85%, and grades close to 3 grams per tonne, with ore being processed from all three open pits, El Limon, Guajes, and El Limon Sur. At the January 30th meeting to set a date for the union selection vote, the Labour Board agreed on a meeting on February 13th, to set the date for the union selection vote. According to the company, the operations continue to ramp up with excellent support from local communities, unionized employees, staff employees, and contractors.
  • Coeur Mining Inc. reported fourth quarter and full year 2017 results, including figures from its Mexican operations. For the full year 2017, at Palmarejo in Chihuahua, 1.5 M tons were milled @ 169 g/t Ag, 2.89 g/t Au, recovering 86.0% Ag, 90.0% Au to produce 7.24 M Oz Ag, 121,569 Oz Au. The exploration expense at Palmarejo was $11.9 M in 2017, following the discovery of several new veins. Mining is now at a steady rate of approximately 4,500 tons per day.

ON FINANCING

  • Torex Gold Resources Inc. closed its previously announced bought deal financing for gross proceeds of C$61.7 M. “The net proceeds of the Offering will be used to fund and provide liquidity for its working capital obligations during the re-start and ramp-up of the ELG Mine Complex, as required….”. Cash reserves, prior to the close of the Offering, were US$64 M including US$14 M set aside for reclamation obligations (El Limon-Guajes, Guerrero).
  • Advance Gold Corp. closed its private placement financing for gross proceeds of $190 K (Tabasqueña, Zacatecas).
  • Colibri Resource Corp. is to proceed with a non-brokered private placement intending to raise up to CAD$1 M in gross proceeds. The funds are to be used on the drilling of it’s El Pilar project in Sonora.

ON RESOURCES AND DEVELOPMENT

  • Kootenay Silver Inc. released the results of the final 10 holes from the 2017 infill drilling campaign by Pan American Silver Corp. at the La Negra zone on the Promontorio project in Sonora. Drill highlights comprise: 50.65 m @ 136 g/t Ag, including 1.05 m @ 1,625 g/t Ag; 49.15 m @ 247 g/t Ag, including 14.55 m @ 515 g/t Ag; 59.20 m @ 237 g/t Ag, including 5.15 m @ 1,161 g/t Ag; 56.05 m @ 93 g/t Ag, including 10.30 m @ 309 g/t Ag; 11.05 m @ 106 g/t Ag; 95.85 m @ 79 g/t Ag, including 7.20 m @ 434 g/t Ag. The 2018 drill program is anticipated to developing drill targets outside of the La Negra discovery.
  • Avino Silver & Gold Mines Ltd. announced results from 19 holes on the Chirumbo, Guadalupe and San Juventino areas of the main Avino mine in the Avino property in Durango. The Chirumbo area is at the East of the Avino vein, with the holes intercepting several structures with results like 7.05 m @ 1.47 g/t Au, 27 g/t Ag; 8.85 m @ 0.80 g/t Au, 18 g/t Ag, 0.24% Cu; 5.50 m @ 5.18 g/t Au, 7 g/t Ag, 0.12% Cu; 21.3 m @ 0.22 g/t Au, 31 g/t Ag, 0.33% Cu; 5.80 m @ 4.75 g/t Au, 55 g/t Ag, 0.84% Cu; 18.45 m @ 82 g/t Ag; 39.35 m @ 0.24 g/t Au, 33 g/t Ag, 0.50% Cu; 38.95 m @ 15 g/t Ag, 0.31% Cu; 29.50 m @ 0.22 g/t Au, 37 g/t Ag, 0.72% Cu. Seven more holes at the Guadalupe vein, west of the Gonzalo vein, returned 3.55 m @ 2.29 g/t Au, 18 g/t Ag; 9.20 m @ 1.28 g/t Au, 89 g/t Ag, 0.88% Cu. At the intersection of the Avino-San Juventino and the Footwall breccia intersect, five holes were drilled returning 10.05 m @ 0.22 g/t Au, 88 g/t Ag; 17.65 m @ 0.16 g/t Au, 58 g/t Ag, 0.26% Cu; 12.40 m @ 0.17 g/t Au, 65 g/t Ag, 0.31% Cu; 21.05 m @ 19 g/t Ag, 0.21% Cu; 13.05 m @ 0.18 g/t Au, 53 g/t Ag; 16.00 m @ 0.89 g/t Au, 37 g/t Ag, 0.12% Cu; 7.65 m @ 0.16 g/t Au, 36 g/t Ag, 0.29% Cu; 23.75 m @ 0.070 g/t Au, 12 g/t Ag, 0.2% Cu.
  • Kootenay Silver Inc. released surface sample results from a new area with multi-gram gold and silver mineralization at its La Cigarra project in Chihuahua. “Gold mineralization has been traced by prospecting, mapping and sampling along mineralized structures within a broad area measuring 500 by 1000 meters. The gold trend is open on strike in both directions.” Highlighted grab and panel sample results comprise: 10.85 g/t Au, 179 g/t Ag, 7.8% Pb, 1.3% Zn; 4.59 g/t Au, 159 g/t Ag, 4.6% Pb, 0.3% Zn; 4.24 g/t Au, 81 g/t Ag, 4.3% Pb, 2.7% Zn; 12.35 g/t Au, 80 g/t Ag, 5.4% Pb, 0.7% Zn; 7.39 g/t Au, 64 g/t Ag, 5.0% Pb, 0.5% Zn; 5.41 g/t Au, 89 g/t Ag, 7.1% Pb, 0.2% Zn; 4.7 g/t Au, 33 g/t Ag, 3.1% Pb, 0.5% Zn; 4.63 g/t Au, 89 g/t Ag, 5.8% Pb, 0.5% Zn; 3.66 g/t Au, 28 g/t Ag, 3.2% Pb, 0.4% Zn.
  • Hecla Mining Co. reported updated mineral reserve and resources, including figures for its San Sebastian property in Durango. Proven and probable reserves in this property comprise 398 K tons @ 432 g/t Ag, 3.11 g/t Au containing 5.52 M Oz Ag, 43 K Oz Au. Measured and indicated resources stand at 1.5 M tons @ 175 g/t Ag, 2.25 g/t Au, 2.9% Pb, 3.8% Zn, 1.7% Cu, containing 8.8 M Oz Ag, 103 K Oz Au, 15,520 tons Pb, 20,350 tons Zn, 9,020 tons Cu. Inferred resources hold 2.9 M tonnes @ 166 g/t Ag, 0.96 g/t Au, 1.8% Pb, 2.5% Zn, 1.5% Cu containing 15.98 M Oz Ag,95 K Oz Au, 23,660 tones Pb, 23,770 tons Zn, 19,520 tons Cu.
  • Endeavour Silver Corp. reported updated mineral resources estimates for its operations in Mexico. Proven and probable mineral reserves on its Guanacevi (Durango), Bolañitos (Guanajuato), El Cubo (Guanajuato) and Terronera (Jalisco) properties amount to 5.27 M tonnes @ 198 g/t Ag, 1.86 g/t Ag; measured and indicated resources in these units and El Compas (Zacatecas), Guadalupe y Calvo (Chihuahua) and Parral (Chihuahua) amount to 5.12 M tonnes @ 192 g/t Ag, 1.90 g/t Au, while indicated resources for all units comprise 6.63 M tonnes @ 227 g/t Ag, 1.23 g/t Au. Indicated mineral resources with base metals on Guanacevi and Parral amount to 1.99 M tonnes @ 78 g/t Ag, 0.26 g/t Au, 0.78% Pb, 1.32% Zn, and inferred resources comprise 1.79 M tonnes @ 82 g/t Ag, 0.68 g/t Au, 2.23% Pb, 2.35% Zn. Reserves and measured and indicated resources add to 70.1 M Oz Ag, 362,900 Oz Au, while inferred resources hold 53.1 M Oz Ag, 300,800 Oz Au

ON DEALS AND CORPORATE ISSUES

  • Silver Viper Minerals Corp. signed a non-binding letter of intent (LOI) with Pan American Silver Corp. to acquire the La Virgina project in Sonora. The project consists of three concessions totaling 35,598 hectares near the border with Chihuahua. The LOI, combined with a LOI signed in December 2017 with the claim owners will restore all the original land holdings into a single exploration property. Silver Viper can acquire 100% ownership in return for a 2% net smelter return royalty over the entirety of Silver Viper’s consolidated La Virginia project. Past drilling includes 52,635.45 m in 188 holes, besides mapping and geochemistry of the property. Mineralization is characterized by low sulfidation epithermal gold-silver bearing quartz stockworks, veins and hydrothermal breccias hosted in andesites and felsic dykes.
  • Evrim Resources Corp. announced the acquisition of 50 square Km of prospective land adjacent to its Cuale prospect in Jalisco. The area immediately to the west and north of the claim group was staked, expanding the total project area to 147 Km. The high temperature footprint supported by Terraspec clay mineral identification has been extended to an area of 2.3 by 2.2 Km.
  • Coeur Mining Inc. announced the appointment of Eduardo Luna and Jessica L. McDonald to the board of directors. “Mr. Luna has spent over forty years in the precious metals mining industry and has held prior senior executive and board positions at several companies including Industrial Peñoles, Goldcorp Inc., Luismin SA de CV, Wheaton River Minerals Ltd., Alamos Gold Inc., and Primero Mining Corp. …”.” Ms. McDonald has extensive leadership experience in both the public and private sectors….” (Palmarejo, Chihuahua).
  • Wolverine Minerals Corp. intends to proceed to a name change to Aloro Mining Corp. (Los Venados, Sonora).
  • Primero Mining Corp. is to hold a special meeting of its shareholders and a meeting of holders to consider the proposed plan whereby First Majestic Silver Corp. will acquire all of the outstanding shares of Primero (San Dimas, Durango).

Content like what you have just read can be seen at https://gambusinoprospector.com/ and at LinkedIn’s Mexico Mineral Exploration Group.

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Highlights on the First Week of January, 2018. Mineral Exploration in Mexico

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During the 1st week of the year (January 1st to January 8th, 2018), at least nine press releases were announced by companies working in Mexico. ON MEXICO ISSUES, no relevant news. ON EXPLORATION, in Sonora, Azure informed Teck drilled 11 holes on a 4,905 m drill program on the El Alacrán project; Colibri is planning a drilling program at its El Pilat project. In Sinaloa, Santana released drill results on its Cuitaboca project. ON MINING, Leagold informed the production of 191.2 K Oz Au during 2017 at Los Filos mine in Guerrero. ON FINANCING, Mammoth settled debt with shares and granted options to management and directors; SilverCrest Metals granted options to directors, officers, employees and consultants, while its president entered into a private placement with the company.  ON RESOURCES AND DEVELOPMENT; Sierra Metals updated its resource estimate on El Cusi mine, Chihuahua, with over 40 M Oz Ag, 38 K Oz Au, 83 M Lb Pb, 96 M Lb Zn in measured, indicated and inferred resource categories. Premier Gold updated on exploration realized during 2017 on its Mercedes property in Sonora, boasting several wide high-grade drill intervals on several prospects. ON DEALS AND CORPORATE ISSUES, no relevant news.

ON MEXICO ISSUES

  • No Relevant News.

ON EXPLORATION

  • Santana Minerals Ltd. provided an update on the exploration of its Cuitaboca project in Sinaloa. Three reverse circulation (RC) holes were drilled on the Las Animas/Evangelina structures, returning 11 m @ 32 g/t Ag; 2 m @ 44 g/t Ag; 2 m @ 52 g/t Ag in one hole, 2 m @ 51 g/t Ag; 29 m @ 34 g/t Ag; 13 m @ 23 g/t Ag in other hole and 10 m @ 23 g/t Ag. At Mojardina South five holes were drilled, returning 66 m @ 36 g/t Ag; 7 m @ 110 g/t Ag; 53 m @ 47 g/t Ag; 8 m @ 157 g/t Ag; 15 m @ 100 g/t Ag; 12 m @ 102 g/t Ag. Current drilling at La Plata prospect is testing a 2 km strike length of high grade mineralization previously identified by trenching.
  • Azure Minerals Ltd. informed that Teck Resources Ltd. completed their first drilling campaign at the El Alacrán property on Sonora. After exercising the back-in clause to earn an ownership interest in the project, Teck carried during 2017 geological mapping, surface geochemical sampling and geophysical (IP and CSAMT) surveys, confirming two high priority targets, on which 11 holes totaling 4,905 m were completed. Teck is expected to deliver the results in February 2018.
  • Colibri Resource Corp. has plans for a two-phase drilling program on the Main Zone of its El Pilar gold project in Sonora. To date, Colibri has defined an in-house resource on the Main Zone deposit of 700 K tonnes @ 1.9 g/t Au (Non 43-101 compliant). The new program is designed to expand this resource and define it by NI-43-101 standards.

ON MINING

  • Leagold Mining Corp. achieved mid-point of guidance of production at it Los Filos mine in Guerrero, with 191,195 Oz Au. Since the Los Filos acquisition on April 7, 2017, the mine has produced 145,192 oz of gold.

Leagold production 20171

ON FINANCING

  • Mammoth Resources Corp. settled debts totaling $21 K owed to certain insiders by issuing shares, and granted 783 K stock options to management and directors of the company (Tenoriba, Chihuahua).
  • SilverCrest Metals Inc. entered into a private placement agreement with its new president, Christopher Ritchie, for CAD$750 K. Also 955 K stock options were granted to directors, officers, employees and consultants of the company (Las Chispas, Sonora).

ON RESOURCES AND DEVELOPMENT

  • Sierra Metals Inc. updated its mineral resource estimate for the Cusi mine in Chihuahua. The resource estimate includes drilling from 2014 to August 2017, and a further 48,684 m drilled afterwards on the Santa Rosa de Lima structure. The resource estimate includes 362 K tonnes @ 225 g/t Ag, 0.13 g/t Au, 0.55% Pb, 0.68% Zn as Measured; 4.2 M tonnes @ 217 g/t Ag, 0.21 g/t Au, 0.64% Pb, 0.66% Zn as indicated and 1.6 M tonne @ 158 g/t Ag, 0.16 g/t Au, 0.54% Pb, 0.84% Zn as inferred; containing 31.8 M Oz Ag, 30.2 K Oz Au, 63.4 M Lb Pb, 66.2 M Lb Zn in the measured and indicated category, and 8.3 M Oz Ag, 8.3 K Oz Au, 19.6 M Lb Pb, 30.4 M Lb Zn in the inferred category.
  • Premier Gold Mines Ltd. updated on exploration at its Mercedes mine in Sonora, where 349 core holes were drilled during 2017. On the Mercedes vein trend, highlighted results in the Barrancas, Brecha Hill and CasaBlanca comprise 12.20 m @ 69.5 g/t Au, 112 g/t Ag (including 3.05 m @ 226 g/t Au, 63 g/t Ag); 15.25 m @ 22.9 g/t Au, 73 g/t Ag; 17.0 m @ 12.0 g/t Au, 50 g/t Ag; 3.45 m @ 58.3 g/t Au; 74 g/t Ag; 3.05 m @ 23.9 g/t Au, 151 g/t Ag; 7.65 m @ 13.7 g/t Au, 132 g/t Ag; 3.75 m @ 12.2 g/t Au, 231 g/t Ag. At Diluvio-Lupita highlighted results comprise 6.0 m @ 19.6 g/t Au, 11 g/t Ag; 19.0 m @ 7.35 g/t Au, 1.9 m @ 14 g/t Au, 131 g/t Ag. At Rey de Oro highlighted results comprise 6.0 m @ 70.5 g/t Au (including 1.0 m @ 413 g/t Au, 16 g/t Ag). The newly discovered Axis vein as well as several other target areas is to be tested systematically during 2018.

ON DEALS AND CORPORATE ISSUES

  • No Relevant News.

Content like what you have just read can be seen at https://gambusinoprospector.com/ and at LinkedIn’s Mexico Mineral Exploration Group.

On the picture below, argillitized porphyritic intrusive with minor quartz veining, in a prospect of the Durango Altiplano. Photo by Jorge Cirett.

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Highlights on the First Week of October, 2017. Mineral Exploration in Mexico

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During the 40th week of the year (October 2nd to October 8th, 2017), at least 25 press releases were announced by companies working in Mexico, including two quarterly reports. ON MEXICO ISSUES: a blockade to Goldcorp’s Peñasquito mine entrance in Zacatecas was lifted by assembling a government sponsored round table to assess protesters arguments. ON EXPLORATION: Activity seems to be gaining pace, with ten companies presenting press releases on their properties. In Sonora, Silver Viper has commenced the first drilling campaign on its Clemente project; Aztec Minerals disclosed interesting Au-Cu values from trenches at its Cervantes project; Canuc Resources released drilling results from its San Javier property. In Chihuahua, Sierra Metals informed on thick high-grade intercepts from drill testing deep geophysical targets at its Bolivar mine; Radius Gold disclosed initial rock chip sampling from its Los Tarros property; Harvest Gold announced exploration results on the Cascaritas prospect within its Cerro Cascaron project. In Sinaloa, Santana Minerals released metallurgical results from its Cuitaboca property. In Zacatecas and San Luis Potosi Alset Minerals released lithium and potassium results from auger drilling on 13 additional salars. In Veracruz Almadex Minerals disclosed good assay results on a long interval of its last hole at El Cobre; Mexican Gold informed that the first hole of a new drill campaign at its Las Minas property intersected two mineralized intervals containing chalcopyrite and bornite. ON MINING: Telson announced that mill clean up and refurbishment is nearing completion at its Campo Morado mine in Guerrero. US Antimony is to increase production at three of its four mines in Mexico. Americas Silver produced its first lead and zinc concentrates from the San Rafael mine in Sinaloa. Alio Gold and Coeur Mining presented third quarter 2017 reports.  ON FINANCING: Southern Silver closed the final tranche of its private placement, raising $502 K; Azure Minerals is to seek shareholder approval to share consolidation. ON RESOURCES AND DEVELOPMENT: Candelaria Mining retracted the environmental permit on its Caballo Blanco project in Veracruz.  Kootenay Silver announced assay results from drilling by partner Pan American Silver on its La Negra prospect in Sonora. ON DEALS AND CORPORATE ISSUES: Magellan Resources announced that its purchase of the SDA mill in Nayarit remains on track to completion. Radius Gold signed a binding agreement with a private Mexican company on Los Tarros property in Chihuahua. Prospero Silver received authorization from the TSX on a related third party agreement.

ON MEXICO ISSUES

  • Goldcorp suffered entrance blockades at Peñasquito, in Zacatecas. For a week the entrance to the Peñasquito mine in Zacatecas was blocked by protesters. The blockade was terminated by the establishment, aided by the federal government, of a round table to discuss the protesters grievances. The table is to be leaded by the Zacatecas State government.

ON EXPLORATION

  • Silver Viper Minerals Corp. has mobilized a drill rig to its Clemente project in Sonora. The drill program envisages 2,000 m of diamond core drilling, focusing on the El Mundo and Nuevo Mundo areas, where Ag-Au-base metals mineralization is hosted by quartz shear veins, quartz stockworks and hematitic vein breccias. The best sample to date is from the El Mundo area is 0.5 m wide @ 1,895 g/t Ag, 4.46 g/t Au, 1.9% Pb, 1.6% Zn. The environmental permit for drilling has been approved, with land and access permit agreements in place.
  • Kootenay Silver Inc. reported that Aztec Minerals Corp. disclosed attractive sampling results from trenching in the Jasper prospect at the Cervantes property in Sonora (which is under option from the former by the latter). The new manual trenching connected two previous trenches, extending Cu-Au-Mo mineralization for 92.3 m @ 0.52% Cu, 0.62 g/t Au, 76 ppm Mo, staying open in both directions. The rock is highly leached quartz feldspar porphyry with chrysocolla and neotocite as oxide copper minerals. A 50 by 50 m soil grid was completed over the Jasper project.
  • Alset Minerals Corp. released results from auger sampling on 13 additional salars in Zacatecas and San Luis Potosi. “Of the 13 salars sampled, 9 had average lithium grades exceeding 200 ppm, with 4 salars averaging lithium grades of around 400 ppm and higher…”. Dry lake sediment samples were collected using a hand-held motorized auger, or a hammer and hollow-tube sampling method, and assaying the material collected between 0.5 and 1.0 m of depth. The Caliguey salar averaged 769 ppm Li and 3.4% K; the Hernandez salar averaged 556 ppm Li, 1.6% K; the Chapala salar averaged 416 ppm Li, 1.2% K.
  • Almadex Minerals Ltd. disclosed assays for the last hole at the Norte area of its El Cobre property in Veracruz. Noteworthy intervals comprise 481.65 m @ 0.67 g/t Au, 0.27% Cu, including 187.25 m @ 1.02 g/t Au, 0.33% Cu (from 354.00 to 541.25 m). The hole was drilled to test for continuity of mineralization between two other holes within the area.
  • Sierra Metals Inc. informed that the first four holes to test 22 high priority targets identified with the recently completed Titan 24 geophysical survey intersected wide high-grade copper bodies in three different zones with no previously known mineralization. The intercepts include 25.3 m @ 0.38 g/t Au, 31 g/t Ag, 1.55% Cu, 1.95% Zn; 28.65 m @ 0.34 g/t Au, 34 g/t Ag, 1.97% Cu, 0.91% Zn; 13.05 m @ 1.79 g/t Au, 37 g/t Ag, 2.05% Cu; 33.4 m @ 0.10 g/t Au, 32 g/t Ag, 1.04% Cu, 0.20% Zn. The four intercepts are deep seated, between 340 m and 492.90 m in the core, along length (Note of compiler.- This seems a significant discovery).
  • Canuc Resources Corp. announced that the third hole at its San Javier project in Sonora intersected the Santa Rosa vein in two splays, the first with 0.37 m @ 156 g/t Ag, 0.39 g/t Au, 1.0% Pb, 5.6% Zn, and the second with 1.48 m @ 1,514 g/t Ag, 2.91 g/t Au, 4.2% Pb, 5.6% Zn. Canuc has concluded the agreement to acquire the Tule 1 concession, which envelops the property to the NE, adding considerable strike length to the Santa Rosa vein. In the NE land package is the Carranza breccia zone, with 11 m @ 274 g/t Ag on the surface, and the Cerro Colorado breccia zone, with 11.3 m @ 285 g/t Ag.
  • Radius Gold Inc. has signed a binding agreement with a private Mexican company to option the 473 has Los Tarros project in Chihuahua. Several breccia bodies occur within a 3.5 km by 1 km area, with the largest breccia exceeding 250 m by 250 m. The volcanic hosted explosive breccias are cemented by silica and iron oxides. The average of 26 samples collected is 1.42 g/t Au, 66 g/t Ag. At the Rosario breccia (>150 m by 60 m) an old pit returned 10 m @ 2.95 g/t Au, 18 g/t Ag, staying open in all directions. Other significant breccia bodies include Regalito, La Bufa (the only one hosted in granodiorite), San Nicolas and San Miguel.
  • Mexican Gold Corp. informed that step-out drilling at its Las Minas property in Veracruz intersected two intervals of chalcopyrite-bornite-magnetite mineralization in the first hole drilled beyond the current western limit of the El Dorado/Juan Bran zone. A 3.0 m interval contains magnetite and an estimated chalcopyrite content of up to 3% by volume. An 8.0 m interval further downhole is a mineralized exoskarn with up to an estimated 5% chalcopyrite by volume, and visible bornite and magnetite. Assays are pending on these core-length intervals.
  • Santana Minerals Ltd. reported good results from initial metallurgical test work on composite samples from three drill holes from the Mojardina prospect at its Cuitaboca project in Sinaloa. A 75 micron, 48 hours, bottle-roll standard carbon in leach test on the three holes returned 93.1%, 95.3%, 98.4% silver recoveries respectively; the rougher flotation test achieved 93.6%, 88.2%, and 86.8% silver respectively.
  • Harvest Gold Corp. identified six silver-rich polymetallic veins at the Cascarita prospect of its Cerro Cascaron Project in Chihuahua. High grade silver with strong Pb and Zn values were sampled in historic adits. The six veins are within a 900 m by 300 m corridor, attain up to 3.3 m in width and display colloform and drusiform quartz textures, as well as local amethyst quartz. Vein textures indicating boiling are preserved at one of the veins, as quartz pseudomorphs after bladed calcite. Results include 1.4 m @ 114 g/t Ag, 5.2% Pb, 1.3% Zn; 2.0 m @ 127 g/t Ag, 8.7% Pb, 0.5% Zn; 2.3 m @ 311 g/t Ag, 1.6% Pb, 0.3% Zn; 2.1 m @ 245 g/t Ag, 6.4% Pb, 0.5% Zn; 3.3 m @ 104 g/t Ag, 2.4% Pb, 0.5% Zn.

ON MINING

  • Telson Resources Inc. announced that mill clean up and refurbishment is nearing completion at its Campo Morado mine in Guerrero. Underground mining is being ramped up, having delivered 25 K tonnes to the coarse ore patio. Ore crushing is operational, putting 5 K tonnes to the crushed ore stockpile. Commercial production at a 1,400 tonnes per day (tpd) is projected to be achieved during October, while production levels to the 2,500 tpd mill capacity is to take 6 to 12 months.
  • United States Antimony Corp. plans to increase production at three of its four mines in Mexico. At Wadley, in San Luis Potosi, the gravity mill will process lower grade ore (not direct shipping ore), which could results in a 25-50% increase in production. At Soyatal in Queretaro, direct shipping ore is to be produced once new powder magazines are built. In Zacatecas a mine road to the Guadalupe mines is to be repaired, allowing mining to be resumed at the Santa Monica mine. The Los Juarez mine in Queretaro is awaiting a permit from SEMARNAT for the cyanide circuit at the Puerto Blanco mill.
  • Americas Silver Corp. announced that the first lead and zinc concentrates produced from its San Rafael project at its Cosalá operation in Sinaloa were produced during the last week of September. Commercial production is expected to be reached before the end of the fourth quarter, when the Nuestra Señora mine is expected to enter in care and maintenance.
  • Alio Gold Inc. released 3rd quarter preliminary production results from its San Francisco mine in Sonora. 1.9 M tonnes of ore @ 0.40 g/t Au and 5.2 M tonnes of waste were moved (3.15 waste to ore strip ratio) to produce 19,429 Oz Au, 8,808 Oz Ag. Production guidance stays on track to produce 88 -90 K Oz Au during 2017.
  • Coeur Mining Inc. disclosed third quarter 2017 production results, including figures from its Mexican operations. At Palmarejo, in Chihuahua, 413.1 K tonnes were milled @ 172 g/t Ag, 2.49 g/t Au, achieving recoveries of 83.6% Ag, 83.1% Au, to produce 1.91 M Oz Ag, 28,948 Oz Au

ON FINANCING

  • Southern Silver Exploration Corp. closed the final tranche of its previously reported private placement, for gross proceeds of $502 K. The three tranches gathered total gross proceeds of $3.58 M (Cerro Las Minitas, Durango).
  • Azure Minerals Ltd. is to seek shareholder approval for consolidation of the issued capital through the conversion of every twenty existing shares into one share.

ON RESOURCES AND DEVELOPMENT

  • Candelaria Mining Corp. decided to retract the environmental permit for the Caballo Blanco project in Veracruz, citing the current political climate and upcoming state and federal elections. “…The postponing of the permit will allow Candelaria to optimize certain aspects of the project and improve upon existing and establish new relationships with our stakeholders. “
  • Kootenay Silver Inc. announced the results of 13 infill drill holes completed by Pan American Silver Corp. on its La Negra property in Sonora. Highlighted intercepts are 34.3 m @ 159 g/t Ag (including 8.2 m @ 306 g/t Ag); 17.1 m @ 192 g/t Ag (including 3.55 m @ 597 g/t Ag); 48.7 m @ 281 g/t Ag (including 1.95 m @ 3,004 g/t Ag, 1.0 m @ 2,146 g/t Ag, 5.35 m @ 558 g/t Ag); 21.0 m @ 274 g/t Ag (including 1.1 m @ 3,018 g/t Ag); 31.8 m @ 403 g/t Ag (including 8.85 m @ 1,098 g/t Ag); 29.25 m @ 138 g/t Ag; 38.7 m @ 289 g/t Ag (including 7.6 m @ 674 g/t Ag); 76.35 m @ 236 g/t Ag; 53.8 m @ 174 g/t Ag (including 12.15 m @ 308 g/t Ag); 5.35 m @ 571 g/t Ag.

ON DEALS AND CORPORATE ISSUES

  • Magellan Gold Corp. announced that its purchase of the SDA mill in Nayarit is on track to be closed by the end of October 2017.
  • Radius Gold Inc. has signed a binding agreement with a private Mexican company to option the 473 has Los Tarros project in Chihuahua. Radius can earn a 100% interest in the project by making an immediate payment of US5 K, and staged payments over four years totaling US$1.68 M, of which US$1.2 M is a final payment at the end of the four year period. A 2% NSR can be bought by Radius for US$1 M for each 1%.
  • Prospero Silver Corp. has received TSX approval of the option to own agreement with Exploraciones Altiplano S.A. de C.V. regarding Altiplano’s Buenavista claims in Durango. The agreement constitutes a “related party transaction” under the TSX policies.

Content like what you have just read can be seen at https://gambusinoprospector.com/ and at LinkedIn’s Mexico Mineral Exploration Group.

On the picture below, the Peña Colorada mine pit in Colima. Photo by Jorge Cirett.

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