Highlights on the Fifth Week of November, 2018. Mining and Exploration News in Mexico


Plagioclase lined epidote patches and veinlets in andesitic volcanic rocks in  Jalisco. Picture by Jorge Cirett.

By Jorge Cirett

During the 48th week of the year (November 26th to December 2nd, 2018), at least 16 press releases were announced by companies working in Mexico. Minaurum, Mexus Gold and Harvest Gold released news on exploration. Impact Silver and Santacruz Silver released third quarter results; America Silver increased production and Goldcorp is commissioning a new plant. Silver Spruce and SilverCrest announced news on financing. Endeavour Silver presented results from drilling. Americas Silver, Telson Mining, Candente Gold, Aura Silver and Firma Holding presented news on deals and corporate issues. ON MEXICO ISSUES, Andrés Manuel López Obrador was sworn as Mexico’s president for the next six years. ON EXPLORATION, In Sonora, Minaurum Gold released high grade gold results from surface sampling of a new vein at its Alamos property; Mexus Gold continues drilling at its Santa Elena project. In Chihuahua, Harvest Gold informed on drilling at its Cerro Cascaron project in Chihuahua. ON MINING, Impact Silver and Santacruz Silver presented quarterly reports. Americas Silver increased production rates at Cosalá, in Sinaloa, and Goldcorp produced first gold on its pyrites plant in Peñasquito, Zacatecas. ON FINANCING, Silver Spruce was granted an extension on its financing round. SilverCrest is securing a $30.6 M investment by SSR Mining. ON RESOURCES AND DEVELOPMENT, Endeavour Silver reported high-grade intersections from Bolañitos, in Zacatecas.  ON DEALS AND CORPORATE ISSUES, Americas Silver and Pershing Gold are to complete a business combination. Telson Mining announced the amending of a loan agreement with Nyrstar. Candente Gold and Sun River signed an agreement on El Oro tailings in Estado de Mexico. Aura Silver is to change name to Aura Resources Inc. Grace Point Mining owns now the Magistral project in Sinaloa.

ON MEXICO ISSUES

  • On December 1st 2018, Andrés Manuel López Obrador, a life-long left wing politician, took charge as Mexico’s president for the next six years (2018-2024).

ON EXPLORATION

  • Minaurum Gold Inc. released high grade gold assays from rock chip sampling on the Alessandra vein at its Alamos project in Sonora.The new vein is the first showing high grade gold in the project, measures more than 4 m in width, can be clearly traced for 1.1 km and topography suggest it might extend for another kilometer. Highlighted rock chip samples include: 0.4 m @ 17 ppb Au, <1 g/t Ag, 2.22% Cu, 0.98% Pb, 2.04% Zn; 1.0 m @ 9 ppb Au, 16 g/t Ag, 0.04% Pb, 0.06% Zn; 1.0 m @ 8 ppb Au, 6 g/t Ag, 1.55% Cu; 0.3 m @ 102,000 ppb Au (102 g/t Au), 29 g/t Ag, 1.94% Cu, 0.07% Pb, 0.25% Zn; 1.0 m @ 619 ppb Au, 4.63% Cu; 0.5 m @ 65 ppb Au, 4 g/t Ag, 2.97% Cu, 0.64% Pb, 4.90% Zn.
  • Mexus Gold US. continues drilling at its Santa Elena project in Sonora (not to be mistaken with First Majestic’s Santa Elena mine, also in Sonora), and is now on its 7th hole. “Drill holes proved the continuity at depth of the main quartz vein varying in width from 0.75 m up to 2.0 meters at 25 to 35 meters deep with a dip angle of 45 degrees to the East”. A shallow dipping shear-fault zone consisting of fault-gouge-mylonite with siderite, hematite and quartz fragments has also consistently being intercepted with 7 to 12 m widths. Holes onward from hole 5 are targeting deeper parts of the Julio vein.
  • Harvest Gold Corp. informed three holes at the Cascarita high grade prospect at its Cerro Cascaron project in Chihuahua have been completed, after delays by unexpected heavy rains at the start of the drilling campaign. The rig is being moved by helicopter to drill the Serpiente Dorada and San Pedro targets.

ON MINING

  • Impact Silver Corp. released third quarter 2018 results. Mill throughput was 42.23 K tonnes @ 165 g/t Ag, to produce 179.5 K Oz Ag. Revenues for the quarter were $3.1 M, EBITDA -$1.5 M, a net loss of $1.4 M, of which $0.4 M was amortization and depletion.The focus now is on development of areas of higher grade ore. Impact is currently raising a non-brokered financing, the fourth capital raise in company history (San Ramón, Estado de México).  
  • Americas Silver Corp. informed production was increased to over 1,700 tonnes per day (tpd) during October at its San Rafael mine in the Cosalá district in Sinaloa.
  • GoldCorp Inc. announced first gold has been achieved at its Peñasquito’s Pyrite Leach Project (PLP) in Zacatecas, Mexico. “Commissioning commenced in the third quarter of 2018 and the PLP is now processing 100% of the existing plant tailings. The PLP plant is operating 24 hours a day and is continuing the planned ramp-up process”. Commercial production is now expected by the end of 2018.
  • Santacruz Silver Mining Ltd. reported third quarter 2018 financial results. At Veta Grande in Zacatecas, and Rosario in San Luis Potosi, 58 K tonnes were processed to produce 249.4 K Oz Ag at cash cost $27.40 and AISC of $31.07 per AgEq Oz. Santacruz recorded a net loss of $2.9 M during the period and a negative EBITDA of $2.74 M.  

ON FINANCING

  • Silver Spruce Resources Inc. was granted an extension by the TSX Venture Exchange to complete the previously announced non-brokered private placement to raise up to $1.5 M (Pino de Plata, Chihuahua).
  • SilverCrest Metals Inc. announced SSR Mining Inc. has agreed to invest $30.66 M (C$40 M) in a non-brokered private placement financing. As long as SSR hold more than 5% of SilverCrest outstanding shares,it is entitled to acquire up to a maximum of 9.9% of the shares, participation rights to maintain pro rata share ownership interest, a right of first refusal on any proposed royalty, stream of off take agreement and certain information rights to Las Chispas technical and scientific data.

ON RESOURCES AND DEVELOPMENT

  • Endeavour Silver Corp. reported high-grade intersections from the drilling program at the Bolañitos mine in Guanajuato. “A total of 55 drill holes from surface and 11,000 metres were completed by the end of October on seven different vein targets, all of which are located within four kilometres of the Bolanitos plant”. Some true width (TW)  highlighted intervals: 8.0 m @ 2.68 g/t Au, 6 g/t Ag; 1.2 m @ 13.17 g/t Au, 138 g/t Ag; 2.2 m @ 2.19 g/t Au, 53 g/t Ag; 2.2 m@ 2.05 g/t Au, 121 g/t Ag; 1.5 m @ 3.74 g/t Au, 49 g/t Ag; 1.3 m @ 2.92 g/t Au, 51 g/t Ag; 1.9 m @ 2.62 g/t Au, 18 g/t Ag; 1.5 m @ 8.66 g/t Au, 89 g/t Ag; 1.1 m @ 2.25 g/t Au, 1,415 g/t Ag; 1.6 m @ 6.79 g/t Au, 420 g/t Ag; 1.9 m @ 3.42 g/t Au, 102 g/t Ag; 1.4 m @ 2.38 g/t Au, 635 g/t Ag.

ON DEALS AND CORPORATE ISSUES

  • Americas Silver Corp. entered last September into a definitive agreement to complete a business combination with Pershing Gold, which owns the Relief Canyon project in Nevada. Relief Canyon is expected to produce 75-90 K Oz Au annually for at least seven years of mine life. Both Americas Silver and Pershing Gold shareholders have to vote on the transaction prior to a meeting on January (Cosalá, Sinaloa).
  • Telson Mining Corp. reached an agreement with Nyrstar Holdings Ltd. to amend the terms of its loan agreement. Among the main terms, Telson paid US$500 K plus interest and agreed to pay monthly installments of US$500 K plus interest until October 2019, at 10% per annum. Along with these payments, Telson will also pay 70% of any monthly cash flow, plus any monthly excess cash balance above US$500 K plus 50% of the monthly free cash flow generated by Telson’s Tahehueto project, once it declares commercial production (Campo Morado,Guerrero).
  • Candente Gold Corp. signed a definitive agreement with Sun River Gold Corp. in which Sun River has the option to further test and, if proven economic, develop and operate the Candente’s tailings project in El Oro, Estado de México. Besides an already made payment of US$170 K, Sun River has to make staged payments to complete US$300 K within 15 months from the signing on November 2017 and grant Candente a 10% of net profits life of mine royalty. The tailings contain an inferred resource of 1.27 K tonnes containing 119.9 K Oz Au, 3 M Oz Ag (El Oro, Estado de México).
  • Aura Silver Resources. Announced its shareholders approved the name change to Aura Resources Inc., and a five to one consolidation of the shares, on a meeting held on November 15th, 2018 (Taviche, Oaxaca).
  • Firma Holdings Corp. announced “that its subsidiary GracePoint Mining Corp. and MX Gold Corp., signed a confidential mutual release”. As a result, MX Gold no longer has any rights,ownership interests, liabilities, or obligations associated with the Magistral Project, and GracePoint Mining Corp. owns 100% of the Magistral project in Sinaloa.  

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

On the image above, plagioclase lined epidote patches and veinlets in andesitic volcanic rocks in  Jalisco. Picture by Jorge Cirett.

Highlights on the First Week of September, 2018. Mining and Exploration News in Mexico

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By Jorge Cirett

During the 36th week of the year (September 3rd to September 9th, 2018), at least 18 press releases were announced by companies working in Mexico. Prize Mining, Minaurum, Azure, and Kootenay released advances in exploration. Telson Mining released some clarifications to its operating Q2 2018 results. Prospero reported news on financing. Goldplay, Consolidated Zinc, Torex, Southern Silver, Impact Silver, Magellan Gold, and Aura Minerals reported on development of its properties. Golden Minerals, Sonoro and GoGold reported deals on properties or royalties. ON MEXICO ISSUES, AMLO announced cabinet posts in Economy, including the new Sub-secretary of Mining, Francisco Quiroga. The Mexican Core Shack now counts with displays from three properties in Chihuahua, two in Durango, two in Estado de Mexico, one in Guerrero and one in Puebla. ON EXPLORATION, In Sonora, Minaurum has resumed drilling at its Alamos Silver property. Azure reported high-grade surface results from its Oso Negro property and Kootenay released surface sampling results from its Malé project. In Coahuila Prize Mining announced a coming drill campaign on its Manto Negro project.  ON MINING Telson Mining presented some clarifications on its Q2 report, and some figures on production costs from the Campo Morado mine.  ON FINANCING, Prospero Silver announced a strategic investment by Fortuna Silver for US$270 K. ON RESOURCES AND DEVELOPMENT, Goldplay released results from its San Marcial project in Sinaloa. Consolidated Zinc is to start mining in Plomosas, Chihuahua. Torex presented an updated technical report and a new mine plan on its El Limon-Guajes property in Guerrero. Southern Silver presented assay results from drilling at its Cerro Las Minitas property in Durango. Impact Silver announced the discovery of a new ore shoot on its Zacualpan property in Estado de Mexico. Magellan is planning to mine on its El Dorado property in Nayarit. Aura Minerals filed a FS and technical report on the restarting of its Aranzazu mine in Zacatecas. ON DEALS AND CORPORATE ISSUES, Golden Minerals sold its remaining interest on the Celaya property in Guanajuato to The Electrum Group for US$3 M. Sonoro optioned an inner concession within its Cerro Caliche property for US$100 K in two payments. GoGold sold its 2% NSR on the Santa Gertrudis project in Sonora to Metalla Royalty.

ON MEXICO ISSUES

  • Andres Manuel Lopez Obrador (AMLO), the president elect in Mexico, announced cabinet posts within the Secretaría de Economía (Bureau of Economy) for its incoming government. Graciela Márquez, as Secretary, is to be supported by Luz Maria de la Mora in Subsecretaría de Comercio Exterior (Foreign Commerce), Ernesto Acevedo Hernández in Subsecretaria de Industria y Comercio (Industry and Commerce), and Francisco Quiroga, on charge of the Subsecretaría de Minería (Mining). Francisco Quiroga was director of International Planning for Grupo Villacero, and worked for a couple of years at Arcelor Mittal México. He has master degrees from Yale and New Zealand, with expertise in international metal markets, steel, commodities and mining, as well as anti-dumping practices and industry. The Mexican Core Shack added images of drill core from Almaden’s Ixtaca project in Puebla, at https://gambusinoprospector.com/mexican-core-shack/puebla/ixtaca/ . The Mexican Core Shack now displays three properties in Chihuahua, two in Durango, two in Estado de Mexico, one in Guerrero and one in Puebla.

ON EXPLORATION

  • Prize Mining Corp. commenced the phase II exploration program on its Manto Negro project in Coahuila. This phase will consist of 3,000 m of diamond drilling, “3D modeling of drill intersections and artisanal underground workings”, a GIS compilation and preliminary metallurgical test work. At El Granizo, “strong copper mineralization is exposed on surface for a strike length of 550 metres and dips moderately to the southwest. Mineralization is hosted in the San Marcos red-bed sandstone close to the contact with the overlying Cupido limestone”. At Pilar Grande drilling will test a 200 by 50 m area containing the underground workings.
  • Minaurum Gold Inc. has resumed drilling at the Alamos Silver project in Sonora. The 5,000 m (or greater) drill program is to focus in seven untested veins exposed at high structural levels in down-dropped blocks outside of the historic mining corridor. “One hole will test the Minas Nuevas vein at depth and a second hole will test the Púlpito and Cotera vein zone projections. Eight more holes are planned on targets on the completely virgin eastern side of the historic La Quintera – Promontorio vein zone, including the Tigre, Ana, and Amalia vein zones, and the breccia body located south of Amalia and Tigre; as well as the Promontorio Sur vein zone to the south of Promontorio vein. The drill program will be expanded as new targets are generated.”
  • Azure Minerals Ltd. reported high grade assays from surface sampling at its Oso Negro property in Sonora. The project comprises a 1,119 ha concession application and an adjoining 156 ha concession purchased for US$35 K. Both concessions contain epithermal mineralization like quartz veins and quartz stockworks in zones of strong alteration, with galena and sphalerite within the quartz veins, which can attain widths of up to 5 m and lengths of 800 m. Of 88 samples collected, 37 returned over 100 g/t Ag, including 9 samples over 1,000 g/t Ag, and a peak of 2,680 g/t Ag. Of 88 samples collected, 37 samples returned over 1.0 g/t Au, including 7 samples over 5.0 g/t Au and up to 100.5 g/t Au.
  • Kootenay Silver Inc. released additional high-grade sampling results on its Malé project in Sonora. Thirty three sample collected from old pits and small trenches returned 19 samples with values over 1.0 g/t Au, with the highest running 12.1, 17.0, 24.7 and 36.0 g/t Au. “The Malé gold project is a granitic-hosted gold dominant polymetallic vein and vein stockwork system covering an area of 1500 x 1500 meters with numerous showings highly anomalous in gold…..Mineralization occurs as narrow veins, veinlets and stockworks of quartz with or without sulphides within structures projecting in a dominant northeast trend and a secondary northwest trend”.

ON MINING

  • Telson Mining Corp. presented some clarifications to its Q2 2018 financial report (please see press release for details). The “Campo Morado Mine has achieved direct site costs for mining, milling and administration during Q2 of approximately US$56.6, US$51.6 and US$51.8 per tonne respectively for, April, May and June. These current direct site costs are approximately 36% lower than the estimated direct site costs of US$72.26 per tonne used for the same categories in Telson’s recently published independent Preliminary Economic Assessment and approximately 40% lower than the previous operator’s last year of production during 2014”.

ON FINANCING

  • Prospero Silver Corp. arranged a US$270 K strategic investment from Fortuna Silver Mines Inc. Fortuna currently owns 20.3% of Prospero current and outstanding shares, and this private placement is to take that proportion to 26.9%. The proceeds will be allocated to test the Bermudez project in Chihuahua with a 3-hole 1,500 m drill program.

ON RESOURCES AND DEVELOPMENT

  • Goldplay Exploration Ltd. disclosed additional results from sampling of the historical core drill holes completed in 2011 on the project San Marcial, in Sinaloa. Highlighted true width (TW) new results from two holes comprise 53.6 m @ 57 g/t Ag, 0.1% Pb, 0.4% Zn (including 5.6 m @ 253 g/t Ag, 0.2% Pb, 0.6% Zn); 46.5 m @ 57 g/t Ag, 0.3% Pb, 0.4% Zn (including 15.5 m @ 115 g/t Ag, 0.5% Pb, 0.7% Zn, same that include 3.25 m @ 411 g/t Ag, 1.9% Pb, 2.2% Zn).
  • Consolidated Zinc Ltd. is to start mining at its Plomosas project in Chihuahua. “The CZL Board has approved the development plan and mining will commence immediately with monthly receipts commencing mid October 2018”. CZL secured a finance package by way of convertible notes. The mined ore will be processed at Grupo Mexico’s plant in Santa Eulalia, Chihuahua, and the concentrate is to be sent to the same group’s smelter in San Luis Potosi. CZL “is confident that the first cashflow can be achieved for a capital cost less than US$500,000 and the C1 operating costs are expected to be less than US$0.50/lb Zinc after by-product credits”.
  • Torex Gold Resources Inc. completed an updated technical report that includes a life of mine plan (LOM) of nine years and an increased average gold production of 430 K Oz Au per year, from 2019 to 2023 at its Limón-Guajes mine in Guerrero.” The TR also contains an updated Media Luna Preliminary Economic Assessment (PEA), with an after-tax NPV (5%) of $582M, and an after-tax IRR of 27%”.  El Limon Guajes updated TR, Sept 20181
  • Southern Silver Exploration Corp. reported assay results from initial core drilling on the 12,000 m 2018 drill program at its Cerro Las Minitas property in Durango. Highlighted true width (TW) intervals comprise 15.1 m @ 280 g/t Ag, 0.18% Cu, 0.9% Pb, 0.1% Zn (including 4.4 m @ 598 g/t Ag, 0.4% Cu, 2.1% Pb, 0.1% Zn) on the Skarn Front deposit, and 0.6 m @ 79 g/t Ag, 0.4 g/t Au, 1.2% Cu, 0.1% Pb, 14.1% Zn; 2.0 m @ 88 g/t Ag, 0.3 g/t Au, 0.2% Cu, 1.1% Pb, 2.6% Zn in Las Victorias zone, which extend mineralization for over 100 m to the southeast.
  • Impact Silver Corp. announced the discovery of a new ore shoot on the Lipton vein of the Guadalupe mine at its Zacualpan property in Estado de Mexico. To date the new zone has been drilled over a length of 120 m and vertical distance of 80 m, remaining open in all directions. Some of the highlighted true width intervals comprise 10.57 m @ 201 g/t Ag, 0.13 g/t Au, 0.2% Pb, 0.5% Zn (including 4.18 m @ 381 g/t Au, 0.09 g/t Au, 0.4% Pb, 1.1% Zn); 7.74 m @ 466 g/t Ag, 0.13 g/t Au, 0.5% Pb, 1.1% Zn; 8.82 m @ 306 g/t Ag, 0.11 g/t Au, 0.2% Pb, 0.5% Zn; 1.53 m @ 240 g/t Ag, 0.04 g/t Au, 0.7% Pb, 2.5% Zn; 2.87 m @ 308 g/t Au, 0.19 g/t Au, 0.3% Pb, 0.4% Zn.
  • Magellan Gold Corp. is focused on advancing El Dorado project in Nayarit towards production, planning to truck the ore to the SDA mill for processing. “The drilled resource appears to be sufficient to support an underground mining operation for five years at a mining rate of 100 tonnes per day….”. Magellan is applying for the necessary environmental and blasting permits, as well as quotes for contract mining.
  • Aura Minerals Inc. filed the NI-43-101 Feasibility Study and Technical Report on the Aranzazu mine in Zacatecas.

ON DEALS AND CORPORATE ISSUES

  • Golden Minerals Co. has sold its remaining interest on the Celaya property in Guanajuato, to The Electrum Group LLC. Golden Minerals is to receive a payment of US$3.0 M for selling 100% of its remaining mining concessions and related interests in the Celaya project located in Guanajuato.
  • Sonoro Metals Corp. optioned from a private owner the 9 ha “El Colorado” mining concession, within its Cerro Caliche project in Sonora. “The Option Agreement provides for Sonoro to acquire a 100% interest in El Colorado for total consideration to the Vendor of US$100,000, of which US$50,000 has been paid and the balance due in 6 months”. Seven thorough-going veins surrounded by quartz sotckwork areas and sheeted quartz veinlet zones present limited mining evidenced by tunnels, pits and trenches.
  • Metalla Royalty & Streaming Ltd. entered with GoGold Resources Inc. into an agreement to purchase a 2% net smelter return royalty on the Santa Gertrudis property in Sonora, for US$12 M in cash. The agreement is subject to a right of first refusal held by the owner of the project, Agnico Eagle Mines Ltd., right that has to be exercised with 45 days.

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

On the image above, argillitized volcanic rocks above the famous Vizcaína vein in the Pachuca District, Hidalgo. Picture by Jorge Cirett.