The Mining and Exploration News in Mexico: Highlights on the Fourth Week of July 2024

During the 30th week of the year (July 22nd to July 28th, 2024), companies working in Mexico posted at least 24 press releases. Two companies informed on exploration advances on their properties and four companies provided operational/financial results for Q2 2024. Three companies closed financing tranches and one filed a preliminary base shelf prospectus. A company commenced test mining and processing, another completed construction of a mine while one more updated on the construction advances at its property. Two companies presented PEA’s on their advanced properties and one more provided a drilling results update. One company completed the acquisition of key claims, and another one entered into a small-scale mining agreement on its property. ON MEXICO ISSUES, ArcelorMittal steelworks strike in Michoacan ended after 55 days. Tax on revenue from mining companies fell in the country by 24.5% on Q1 2024. ON EXPLORATION, In Sonora, Minaurum Gold commenced a drilling program; Tocvan Ventures released results from drilling at Pilar. ON MINING, Gold Royalty, Mag Silver, Santacruz Mining and Grupo Mexico presented Q2 2024results. ON FINANCING, Southern Silver Exploration closed the first tranche of financing (C$2.09), Guanajuato Silver company filed a short base shelf prospectus to offer up to US$65 M, Aztec Silver closed its non-brokered private placement (C$2.57 M), Barksdale Resources closed the final tranche of its non-brokered private placement for a total of C$6.3 M. ON RESOURCES AND DEVELOPMENT, Sierra Madre Gold and Silver commenced test mining and processing at the Guitarra mine in Estado de Mexico. Gatos Silver provided drilling results from the Cerro Los Gatos mine and brownfields exploration in Chihuahua. Vizsla Silver presented a PEA on Panuco, in Sinaloa. Southern Silver Exploration released a PEA study on Cerro Las Minitas, Durango. Endeavour Silver provided a Q2 2024 construction update for Terronera, in Jalisco. Luca Mining announced the completion of the Tahuehueto mine in Durango.  ON DEALS AND CORPORATE ISSUES, Silver Viper Minerals announced the completion of the purchase of three mining concessions at its Virgina project in Sonora. Xali Gold signed a LOI granting rights for small scale mining on five of its claims at El Oro, Estado de Mexico. US Antimony, Solaris Resources and DYNR-Dyna Resources made board appointments. ON SOCIAL RESPONSIBILITY, no relevant news.

ON MEXICO ISSUES

• ArcelorMittal steelworks strike in Michoacán ends after 55 days. Nearly 3,000 workers resumed work at the company’s steel plant in Lázaro Cárdenas, Michoacán. The agreement reached mandates an 8% wage increase, grocery vouchers worth 17,000 pesos (US$949 dollars) and full compensation for lost wages. Additionally, an external audit of the 2022 and 2023 fiscal years will be conducted to ensure the accuracy of PTU payments.
• Tax on revenue from mining companies fell in Mexico 24.54% on Q1 2024 year on year, more than five times the national average of 4.83%. During the period mining companies paid $13,416 M pesos or 1.87% of the total income tax received by the government.

ON EXPLORATION

• Minaurum Gold Inc. commenced an 8,000 m drill program designed to establish an inferred mineral resource at its Alamos silver project in Sonora. Drilling will focus initially on three of the 19 vein zones that have already returned high-grade silver results: The Europa vein, the historic Promontorio vein zone, and the Promontorio Sur vein zone. “Minaurum has drilled 42,317 m in 106 core holes on 19 of the 26 vein zones discovered at the Alamos silver project from 2017 – 2023”. Highlighted previously released core length intercepts comprise 8.25 m @ 1,760 gpt Ag, 1.6% Cu, 1.5% Pb, 2.6% Zn; 3.50 m @ 404 gpt Ag, 0.54% Cu,  1.3% Pb, 1.8% Zn; 3.85 m @ 342 gpt Ag, 0.76% Cu, 1.0% Zn at the Europa vein zone, and 20.2 m @ 154 gpt Ag, 0.5% Cu, 2.3% Pb, 6.8% Zn; 3.8 m @ 415 gpt Ag, 2.68 gpt Au, 1.37% Cu, 6.2% Pb, 9.2% Zn; 7.6 m @ 266 gpt Ag, 0.27 gpt Au, 0.57% Cu, 1.6% Pb, 3.2% Zn at the Promontorio and Promontorio Sur vein zones.
• Tocvan Ventures Corp. announced results from the 2024 reverse circulation (RC) 3,700 m drill program at its Pilar property in Sonora. To date, 3,268 m across 26 holes have been drilled from such program. Highlighted drill length intercepts from three holes comprise 15.25 m @ 0.26 gpt Au, 14 gpt Ag (including 7.63 m @ 0.45 gpt Au, 22 gpt Ag, 0.1% Zn); 1.53 m @ 0.63 gpt Au, 46 gpt Ag, 0.2% Pb, 0.2% Zn; 3.05 m @ 0.33 gpt Au, 5 gpt Ag; 3.05 m @ 0.18 gpt Au, 45 gpt Ag; 22.88 m @ 0.19 gpt Au, 1 gpt Ag, 0.2% Zn (including 1.53 m @ 0.49 gpt Au, 7 gpt Ag, 1.9% Zn and 1.53 m @ 0.62 gpt Au and 1.53 m @ 0.68 gpt Au, 2 gpt Ag). “The North Hill and Main Zone Trends now extend over 900-meters defined by drilling, while the 4-T Trend extends over 700- meters….”  

ON MINING

• Gold Royalty Corp. announced second quarter 2024 revenue and total revenue, land agreement proceeds and interests of $2.2 M, of which a minor part comes from its Mexican operations (Coazamin, Zacatecas).
• Mag Silver Corp. reported production from Juanicipio (56%/44% Fresnillo plc, Mag Silver) in Zacatecas. During the quarter 336.6 K tonnes were processed at the Juanicipio plant, averaging 1.2 gpt Au, 498 gpt Ag, 1.56% Pb, 2.99% Zn, to produce 9,259 Oz Au, 5.0 M Oz Ag, 9.9 M Lb Pb, 18.9 M Lb Zn. Also in the period commenced commercial production of pyrite concentrate, delivering incremental Ag and Au recovery.
• Santacruz Silver Mining Ltd. reported Q2 production results, including figures from its operations in Mexico. At Zimapan, in Hidalgo, the company processed 209.7 K tonnes averaging 80 gpt Ag, 0.30% Cu, 0.73% Pb, 2.46% Zn, recovering 76% Ag, 45% Cu, 86% Pb, 80% Zn, to produce 409.3 K Oz Ag, 284 tonnes Cu, 1,312 tonnes Pb, 4,127 tonnes Zn (or 1.09 M Oz AgEq).
• Grupo México SAB de CV. presented its Q2 2024 results. The company has operations in several countries and did not specify production by mining unit. During the period Grupo México produced 270,747 tonnes Cu, 8,201 Oz Au, 2.95 M Oz Ag, 7,655 tonnes Mo, 29,419 tonnes Zn, 615.8 K tonnes H2SO4, with a cash cost of US$1.03 per Lb Cu after by products.

ON FINANCING

• Southern Silver Exploration Corp. closed the first tranche of its previously announced non-brokered private placement for gross proceeds of $2.09 M. “In connection with the Offering, the Company paid finders' fees totalling $101,745.31 and issued an aggregate 457,029 non-transferable finder warrants, with each finder warrant exercisable to purchase one common share for a period of 3 years.”  (Cerro Las Minitas, Durango).
• Guanajuato Silver Company Ltd. filed a preliminary short base shelf form prospectus in each of the provinces and territories of Canada. Upon issuance of a receipt for the final short form base shelf prospectus the company will be permitted to offer up US$65 M of common shares, debt securities, warrants, subscriptions receipts, share purchase warrants and units during the 25-month that the prospectus is effective (El Cubo, Valenciana, Guanajuato).
• Aztec Minerals Corp. closed the previously announced non-brokered private placement for gross proceeds of C$2.57 M (Cervantes, Sonora).
• Barksdale Resources Corp. closed the second and final tranche of its previously announced non-brokered private placement offering for gross proceeds of $4.1 M, which together with the proceeds from the first tranche add up to $6.3 M (San Javier, Sonora).

ON RESOURCES AND DEVELOPMENT

• Sierra Madre Gold and Silver Ltd. commenced test mining and processing at the Guitarra mine complex in Estado de Mexico. The flotation plant has processed 5.7 K tonnes of mineralized material from the Guitarra mine and is currently processing 259 tpd in the path to full commercial production of 500 tpd.
• Gatos Silver Inc. provided an update on drilling at the South-East Deeps zone and the recently initiated regional exploration program at its Los Gatos property (70% owned) in Chihuahua. “Resource definition drilling in the SE Deeps zone of CLG intercepted additional mineralization along strike and down-plunge, continuing to extend the known mineralized zone.” Highlighted core length intercepts comprise 2.9 m @ 0.18 gpt Au, 214 gpt Ag, 0.25% Cu, 12.2% Pb, 19.0% Zn; 2.7 m @ 0.81 gpt Au, 81 gpt Ag, 0.15% Cu, 3.9% Pb, 9.9% Zn; 1.6 m @ 0.02 gpt Au, 181 gpt Ag, 0.42% Cu, 0.9% Pb, 2.0% Zn; 1.6 m @ 0.79 gpt Au, 108 gpt Ag, 0.44% Cu, 3.2% Pb, 5.6% Zn; 6.5 m @ 0.14 gpt Au, 43 gpt Ag, 0.28% Cu, 1.8% Pb, 4.5% Zn at SE Deeps and 0.6 m @ 3.11 gpt Au; 1.2 m @ 0.09 gpt Au, 0.02% Cu, 0.23% Mo, 0.3% Pb, 1.7% Zn; 1.9 m @ 2.59 gpt Au, 15 gpt Ag, 0.02% Cu, 0.8% Pb, 1.6% Zn at Portigueño and 8.9 m @ 0.17 gpt Au, 66 gpt Ag; 4.2 m @ 0.07 gpt Au, 51 gpt Ag, 0.14% Cu, 0.9% Pb, 5.6% Zn at San Luis.
• Vizsla Silver Corp. released the results of the preliminary economic assessment (PEA) on its Panuco project in Sinaloa. The study envisions a 3,300 tpd production rate expanding to 4,000 tpd in year 4, with an initial mine life (LOM) of 10.6  years. The 5.3 M tonnes deposit averaging 316 gpt Ag, 1.97 gpt Au would produce 15.2 M Oz AgEq (9.3 M Oz Ag, 78 K Oz Au) per year at cash cost US$7.98 per Oz AgEq and a LOM AISC of US$9.40 per Oz AgEq. The initial cash expenditures are estimated at US$224 M with an After-tax NPV (5%) of US$1,137 M and 85.7% IRR at US$26 per Oz Ag and US$1,975 per Oz Au, and an After-tax payback period of 9 months. Two adjacent underground mines, Copala and Napoleon, with on-site treatment with a three-stage grinding circuit, a leach and Merril Crowe circuit to produce doré bars. “The mines will be contractor operated utilizing ramp-access and a combination of long-hole stoping and drift-and-fill mining methods.”
• Endeavour Silver Corp. provided Q2 2024 construction progress update for its Terronera project in Jalisco. Concrete and structural steel work are nearing completion on the upper plant platform for areas including crushing, coarse-ore storage, grinding, flotation, and thickening, with overall mine development and surface construction reaching 64.5% advance. More than US$204 M have been spent to date of the total project commitment of US$260 M, with mine development totaling nearly 4,500 m. The project remains on track for commissioning in Q4 2024.
• Luca Mining Corp. completed construction of its Tahuehueto mine in Durango. The mine was constructed within budget, has a nameplate 1,000 tpd processing capacity and has been on pre-production for several months. Commercial levels of 800 tpd or 25 K tonnes per month are expected to be achieved by the end of September. “Tahuehueto is a large property (121 square kilometres) that hosts an extensive epithermal gold vein system with less than 10% of the prospective ground explored so far….. Resource drilling from underground is expected to commence in the coming weeks.”
• Southern Silver Exploration Corp. filed on SEDAR a preliminary economic assessment (PEA) 43-101 technical report on its Cerro Las Minitas project in Durango. Highlights from the study include after-tax NPV5% of US$501 M, an IRR of 21.2% with a 48-month payback on a large-scale underground mining operation with a 17-year mine life (LOM) with an anual average plant feed of 14.3 M Oz AgEq (inc. 5.8 M Oz Ag) and total sales of 194.3 M Oz AgEq at an AISC of $13.23 per Oz AgEq. The project envisages gross revenues totalling US$4.47 B, with Au and Ag representing 45% of revenue and zinc 35%. Updated PEA increases production by 5 M tonnes, production rate to 5,300 tpd, extends the LOM by 2.6 years and the total revenue by US$765 M. “The company plans to initiate a core drilling program of up to 6000m in 11 holes to test shallow targets along the north side of the Cerro between the North Felsite and Skarn Front deposits. Drilling will start in early September. The work is the first stage of a larger 25,000 metre exploration program on the property with the goal of adding an additional 4 million to 8 million tonnes of mineralization to the resource base.” 

ON DEALS AND CORPORATE ISSUES

• Silver Viper Minerals Corp. announced the completion of the purchase of the three mineral claims covering 2,102 hectares at the La Virgina project in Sonora. The company made the last cash payment of US$200 K. “Silver Viper has completed a total of 141 drill holes at La Virginia for a combined 44,687 metres. Exploration drilling has paused awaiting the processing of the geophysical survey data along with the interpretation of mapping and sampling data.”
• Xali Gold Corp. signed a legally binding letter of intent (LOI) with Rio Verde Resources on portions of five mining concessions at El Oro project in Estado de Mexico. Rio Verde has been granted the exclusive right to explore and extract minerals above the 2,400 m level in the historic workings, in exchange for a 3% net smelter return (NSR) royalty. Rio Verde has advised that their production will initially focus on the target identified by LuisMin-Hillsborough, in which they estimated a potential of 762 K Oz Au and 9.8 M Oz Ag (6.89 M tonnes @ 3.44 gpt Au, 44 gpt Ag, Not NI-43-101 compliant) after studying mine level plans with grades, sections and eight new drill holes.
• United States Antimony Corp. announced the appointment of Jonathan Miller as vice president of investor relations and global sales director (Juarez, Queretaro).
• Solaris Resources Inc. appointed Mr. Arun Lamba as vice president, corporate development (La Verde, Michoacán).
• DYNR-Dyna Resource Inc. appointed Mr. Alonso Sotomayor as chief financial officer (San José de Gracia, Sinaloa).

ON SOCIAL RESPONSIBILITY

• No Relevant News.

On the image below: Chloritized biotite (?) lining a quartz veinlet in a Sonoran Desert project, HQ core. Picture by Jorge Cirett.