The Mining and Exploration News in Mexico: Highlights on the First Week of February, 2020

225aBy Jorge Cirett

During the 6th week of the year (February 3rd to January 9th, 2020), at least 28 press releases were announced by companies working in Mexico. ON MEXICO ISSUES, CAMIMEX urged the Mining Fund to be used on the grounds it was meant to (infrastructure on Mining localities), as this year these funds will flow to the Education Secretariat for use in school’s remodelling. Mexico’s mining production decreased year on year during November 2019 by 1.9%. UNAM offers an Earth Science’s degree at its Juriquilla facilities, in Queretaro. The Sonora Mining Cluster presented its annual report and 2020 program. The San Martin mine (Zacatecas) legal duel between two Unions continues with a recent ruling by the Supreme Court. ON EXPLORATION, in Sonora, Minera Alamos released drill results which confirm long intervals of significant mineralization at its Santana property; Canuc Resources surface rock sample results confirm the extension of mineralization within its concessions in San Javier. Minaurum Gold released historical drill intercepts that confirm extensions of wide, high-grade mineralization on the veins that were mined in the past on its Alamos Silver project. Colibri Resource prepares to drill two mineralized corridors on the Evelyn project. In Zacatecas Advance Gold completed the third phase geophysical survey at the Tabasqueña project. ON MINING, GoGold, Consolidated Zinc and Hecla Mining presented Q4 and full year 2019 results. Americas Gold and Silver installations on the Copalá complex in Sinaloa have seen its access blocked. Mexus Gold continues leaching operations at its Santa Elena mine in Sonora. US Antimony initiated pilot plant production at its Los Juarez property in Queretaro. ON FINANCING, Sonoro Metals is discussing financing options with Chinese companies. Ridgestone Mining ($1.05 M), San Marco Resources (C$500 K), Advance Gold ($250 K), First Mining ($5 M) and GoGold (C$5 M) released information on its planned or undergoing financing rounds. ON RESOURCES AND DEVELOPMENT, Argonaut Gold filed the PFS report on the Cerro del Gallo in Guanajuato. Azure Minerals released good drilling results from the Loma Bonita deposit at its Alacrán property in Sonora. Prime Mining released good results of road cuts and trenches at its Guadalupe de Los Reyes project in Sinaloa. Premier Gold Mines reported on the development of the Lupita Extension ore body at its Mercedes mine in Sonora. Starcore International is drilling the Santa Elena target at its San Martin mine in Queretaro.    ON DEALS AND CORPORATE ISSUES, Consolidated Zinc is dealing with a legal issue regarding claims for compensation from a former mining contractor. Sierra Metals announced the settlement on an outstanding litigation regarding mining concessions within its Bolivar mine in Chihuahua. ON SOCIAL RESPONSIBILITY. Minera San Xavier donated two water concessions to the Cerro San Pedro municipality in San Luis Potosí. Minera Peñasquito donated agriculture equipment to farmers in Mazapil, Zacatecas, valued at over $9 M pesos ($480 K).


  • Fernando Alanís Ortega, Camimex president, urged that the use of the Mining Fund should stick for its creation purpose, like helping municipalities on infrastructure. In 2019 a change was approved by Congress, by which in March 2020 the funds are to be delivered to the Secretaría de Educación Pública (Education Secretariat) for school remodelling. Camimex is to stay working in keeping the mining sector united, better the industry public perception and to find the way to develop a public policy that incentives mining.
  • Mexico’s Mining production decreased during November 2019. Mining production decreased 1.9% from November 2018 to November 2019, gold decreased 5.2%, silver 1.7%, lead 3.8%, zinc 3.4%, fluorite 11.4%, coke 19.2%, coal 9%, while copper production increased by 1.8%.
  • UNAM (Universidad Nacional Autónoma de México) has a new major at its Juriquilla unit in Queretaro. This Earth Sciences studies at this facilities are focused on two themes: The Solid Earth and Environmental Geology.
  • The Cluster Minero de Sonora presented its annual report and guidelines for 2020, in Hermosillo. The event counted with the participation of members, industry leaders and state and federal level officials, which were exposed to the different objectives the Sonora Mining Cluster has planned for the year.
  • The Supreme Court discarded the amparo review that acknowledges the strike in Sombrerete, Zacatecas. According to the publication, the ruling obliges Grupo Mexico to recognize the strike that started on the San Martin mine in July 2007.
  • The Sindicato Nacional de Trabajadores de la Exploración, Explotación y Beneficio de Minas en la República Mexicana posted a letter on the San Martin mine in Zacatecas. In this letter the union states that the Supreme Court ruling that debunks its representativeness is not final, and can be appealed. Furthermore, the ownership procedure is independent of the termination of the strike dated august 2018, and that it is false that the mine facilities have to be surrendered. The Union has the solid commitment to fight all the legal battles needed to make the voice of hundreds of miners to be heard.


  • Advance Gold Corp. completed the third phase of a geophysical study campaign at its Tabasqueña property in Zacatecas. The survey expanded the length of a chargeability anomaly to 3,200 x 500 m. “The second hole currently being drilled on the chargeability anomaly has intersected 24 metres of quartz vein above the anomaly”.
  • Minera Alamos Inc. provided confirmation of significant disseminated mineralization at the Divisadero discovery at its Santana project in Sonora. Significant drill intersections from 2018-2019 comprise: 95.7 m @ 0.85 gpt Au, 10 gpt Ag, 0.33% Cu; 96.4 m @ 0.42 gpt Au, 4 gpt Ag, 0.12% Cu; 133.6 m @ 0.56 gpt Au, 6 gpt Ag, 0.16% Cu.
  • Canuc Resources Corp. released results from surface rock samples at its San Javier property in Sonora. Highlighted results comprise: 0.6 m @ 1.8 gpt Au, 11 gpt Ag; 0.6 m @ 0.33 gpt Au, 114 gpt Ag; 0.8 m @ 17.9 gpt Au, 11 gpt Ag; 1.1 m @ 11.6 gpt Au, 99 gpt Ag; 0.4 m @ 3.1 gpt Au, 138 gpt Ag; 1.1 m @ 4.13 gpt Au, 197 gpt Ag; 0.6 m @ 0.65 gpt Au, 170 gpt Ag; 0.5 m @ 0.02 gpt Au, 182 gpt Ag; 0.4 m @ 0.28 gpt Au, 262 gpt Ag; 0.9 m @ 0.02 gpt Au, 192 gpt Ag; 0.3 m @ 0.19 gpt Au, 399 gpt Ag; 1.5 m @ 0.13 gpt Au, 239 gpt Ag; 1.4 m @ 0.02 gpt Au, 705 gpt Ag; 1.6 m @ 0.02 gpt Au, 578 gpt Ag. These results confirm the extension of the mineralized structures over the three kilometers of strike length of the mining concessions held by Canuc.
  • Minaurum Gold Inc. acquired historical data including mine maps, sections and results of 40 holes (6,099 m) drilled at its Alamos Silver project in Sonora. The holes were drilled between the 1960’s and 1980’s, and focused on the Promontorio and Minas Nuevas underground mines. The results indicate that the deposits included multiple veins and continue at depth and along strike. It is estimated that 200 M Oz Ag were mined from the Quintera, Promontorio and Minas Nuevas mines. Highlighted results from the Promontorio mine comprise 1.2 m @ 5,588 gpt Ag; 1.2 m @ 1,008 gpt Ag; 4.6 m @ 2,838 gpt Ag; 4.6 m @ 305 gpt Ag; 1.4 m @ 377 gpt Ag; 12.2 m @ 710 gpt Ag; 7.6 m @ 747 gpt Ag; 11.3 m @ 785 gpt Ag; 1 m @ 2,177 gpt Ag; 1.2 m @ 854 gpt Ag, 23 gpt Au. Highlighted results from the Promontorio mine include 1.7 m @ 452 gpt Ag, 2 m @ 367 gpt Ag, 1.8 m @ 839 gpt Ag. The results indicate that the deposits included multiple veins and continue at depth and along strike. It is estimated that 200 M Oz Ag were mined from the Quintera, Promontorio and Minas Nuevas mines.
  • Colibri Resource Corp. has contracted Major drilling for the maiden drilling program at Evelyn, in Sonora. Drilling is to test to main corridors, Cerro Rojo and El Sahuaro. Activities are to start as soon as the relevant permit is received.


  • GoGold Resources Inc. released financial results for Q4 2019. During the period the company had revenue of $9.3 M, net income of $535 K, producing 585 K Oz Ag at cash cost $12.54 and AISC $14.59 per AgEq Oz. By the end of the period the company had $5 M in cash.
  • Americas Gold and Silver Corp. announced that a group of individuals, including a small minority of the company’s unionized workers, illegally blockaded access to facilities at its Cosalá operations in Sinaloa. “The Company has already filed the legal motions with the Government of Mexico at the state and federal levels but remains receptive to having good‐faith discussions with the proper representatives of the certified union”. Mining and processing operations have been temporarily halted.
  • Consolidated Zinc Ltd. presented its quarterly activities report for Q4 2019. During the period 9,062 tonnes @ 16.1% Zn, 8.4% Pb were mined, 11,712 tonnes @ 16.1% Zn, 8.4% Pb were processed. Cash cost per Lb Zn was $1.48. The cash balance at the end of the period was US$556 K plus concentrate receivables of US$617 K.
  • Hecla Mining Co. presented fourth quarter and full year 2019 financial and operating results, including figures from its Mexican operations. At San Sebastian, in Durango, 422.4 K Oz Ag, 3,897 Oz Au were produced at cash cost $8.89 and AISC $11.78 per Oz Ag in Q4, 2019; while 1.87 M Oz Ag, 15,673 Oz Au were produced at cash cost $8.02 and AISC $12.10 per Oz Ag during the full year 2019. Operations in San Sebastian have transitioned from higher grade open pit to underground production, with the mill operating at a daily rate of 425 tpd for the quarter and 479 tpd for the year. “The Company is completing its study on the Hugh Zone sulfide ore and expects a decision on development in the first quarter, which would allow production to begin by the end of the year”.
  • Mexus Gold US. announced that gold production is continuing at its Santa Elena mine in Sonora (not to mistake by First Majestic’s Santa Elena mine, also in Sonora).
  • United States Antimony Corp. initiated pilot phase precious metal production at its Los Juarez property in Queretaro. The procedure involves crushing, flotation and cyanide leach of the ore.


  • Sonoro Metals Corp. announced “discussions regarding project debt finance and engineering, procurement and construction (EPC) contracts with China-based EPC companies continue to advance”. (Cerro Caliche, Sonora).
  • Ridgestone Mining Inc. intends to complete a non-brokered private placement for up to $1.05 M in gross proceeds (Rebeico, Sonora).
  • San Marco Resources Inc. announced that its non-brokered private placement intended to raise C$500 K has been over-subscribed, and now is to total C$717 K in gross proceeds (project 1068, Sonora).
  • Advance Gold Corp. is to undertake a non-brokered private placement, aiming to raise gross proceeds of $250 K (Tabasqueña, Zacatecas).
  • First Mining Gold Corp. intends to complete a non-brokered placement for aggregate gross proceeds of up to $5M, with some insiders of the company participating. (Miranda, Sonora; Lachatao, Oaxaca).
  • GoGold Resources Inc. entered into an agreement with Sprott Capital Partners LP and PI Financial Corp. as co-lead underwriters, along with BMO Capital Markets, pursuant to which they agreed to purchase on a bought deal basis units of the company for gross proceeds of C$5 M (Los Ricos, Jalisco).


  • Argonaut Gold Inc. filed the technical report for the Pre-Feasibility Study (PFS) on the Cerro del Gallo project in Guanajuato.
  • Azure Minerals Ltd. released good results from infill and extension drilling on the Loma Bonita deposit at its Alacrán project in Sonora. Highlighted intervals include 126 m @ 1.96 gpt Au, 26 gpt Ag (including 64.5 m @ 2.8 gpt Au, which includes 34.5 m @ 3.94 gpt Au, 60 gpt Ag) in an infill hole; 36 m @ 1.0 gpt Au, 13 gpt Ag on an expansion drill hole.
  • Prime Mining Corp. released results from new trenches and road cuts on the Zapote North and South deposits at its Guadalupe de Los Reyes project in Sinaloa. Highlighted Road cuts results comprise 30 m @ 2.87 gpt Au, 42 gpt Ag; 43.5 m @ 1.24 gpt Au, 13 gpt Ag; 22.5 m @ 0.87 gpt Au, 14 gpt Ag; 37.5 m @ 3.9 gpt Au, 36 gpt Ag; 16.5 m @ 0.66 gpt Au, 8 gpt Ag; 12 m @ 1.56 gpt Au, 14 gpt Ag; 6 m @ 11.72 gpt Au, 26 gpt Ag. Underground adit sampling returned 10.5 m @ 0.58 gpt Au, 18 gpt Ag; 10.5 m @ 1.32 gpt Au, 26 gpt Ag; 22.5 m @ 3.23 gpt Au, 68 gpt Ag.
  • Premier Gold Mines Ltd. reported progress ahead of schedule on the “development of the Lupita Extension underground development” at its Mercedes mine in Sonora…. During 2019, a successful delineation program of 87 drill holes extended the known Lupita mineralization along a strike length of 300 m. A clear difference between the two Lupita areas are the noticeable higher grade and width in Lupita Extension versus Lupita as well as the steeper dipping geometry of about 50 degrees. The delineation drilling program returned an average true width of 2.9 m of 5.56 g/t Au length-weighted average grade“.
  • Starcore International Mines Ltd. has started drilling the Santa Elena target at its San Martin mine in Queretaro. “The Company is conducting an exploration program that will consist of 10 holes between 200 to 400 meters each targeting the Santa Elena vein, which is thought to be a mirror of the San Martin vein(s), a typical epithermal gold-silver deposit characterized by low sulfation (sic)”.


  • First Majestic Silver Corp. announced the appointment of Mr. Steve Holmes to the role of Chief Operating Officer (San Dimas, Durango; Santa Elena, Sonora).
  • Consolidated Zinc Ltd. informed on legal proceedings by its former mining contractor at the Plomosas mine in Chihuahua. Caminos y Construcciones Ganti S.A. de C.V. is suing CZL for final outstanding costs MXN$23.63 M, including VAT. CZL has presented counterclaims totaling MXN$89.15 M. On January 31, 2020, Ganti representatives seized control of the physical inventory at the third party Aldama plant. (Plomosas mine, Chihuahua).
  • Consolidated Zinc Ltd. stated that it has succeeded in legal action to end the intimidation and excessive actions of Caminos and Construcciones Ganti S.A. de C.V.. Ganti was CZL’s mining contractor “until they were terminated on the 25 November 2019, in accordance with their contract”. Ignoring the contracted conflict resolution procedures, Ganti submitted legal proceedings in the Federal District Court of Chihuahua. On 4 February the Court rescinded the orders given to Ganti (Plomosas mine, Chihuahua).
  • Tamino Minerals Inc. informed the company has plans to make acquisitions (El Volcán, Sonora).
  • Sierra Metals Inc. announced the settlement of the outstanding litigation with Polo y Ron pertaining mining concessions where mine operations and mineral reserves estimates are located on its Bolivar mine in Chihuahua. “The impact of the settlement amount paid on Sierra Metals’ financial condition and operating results is not significant”.


  • Minera San Xavier is donating two water concessions to the Cerro San Pedro municipality, in San Luis Potosi. The concessions add up to 480 thousand cubic meters of water per year. The use of the resource is exclusively for the communities of Cerro de San Pedro, La Zapatilla, Divisadero, Planta del Carmen, Granjas de San Francisco, Monte Caldera, Cuesta de Campa, Calderón y Jesús Maria, all within the Cerro San Pedro Municipality.
  • Minera Peñasquito supports farmers in Zacatecas. The Newmont GoldCorp subsidiary delivered agriculture machinery to El Vergel producers. In collaboration with the Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias (INIFAP), the equipment valued at more than nine million pesos (US$480 K) is to benefit more than 400 inhabitants of Mazapil, Zacatecas.

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

On the image below: Twentieth Century tauna on a stream in Oaxaca, picture by Jorge Cirett.


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