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Golden Minerals Announces Positive Initial Results from its Rodeo Gold-Silver Mine Expansion Drilling, Including 14.7m @ 3.94 g/t Au

10.06.2021  |  GlobeNewswire

GOLDEN, June 10, 2021 - Golden Minerals Company (NYSE American and TSX: AUMN) ("Golden Minerals", "Golden" or "the Company") is pleased to announce initial results from its ongoing expansion drill program at its Rodeo open pit gold mine in Durango State, Mexico.

The Company announced in March 2021 it was beginning a program encompassing approximately 2,000 meters of exploration drilling at selected near-surface targets located immediately adjacent to the current open pit, as well as additional near-site surface targets. The program is being conducted to outline possible extension of the life of the Rodeo mine well beyond the currently estimated life of around 2.5 years. To date the exploration program has drilled 606 meters through the first ten holes.

Highlights of the program's initial results include the following:


  • 14.65m grading 3.94 g/t Au and 8.0 g/t Ag including
  • 9.30m grading 5.38 g/t Au and 9.8 g/t Ag;
  • 3.70m grading 7.02 g/t Au and 21.5 g/t Ag including
  • 0.90m grading 21.09 g/t Au and 50.4 g/t Ag


  • 13.75m grading 2.64 g/t Au and 10.5 g/t Ag including
  • 1.60m grading 9.17 g/t Au and 18.5 g/t Ag;
  • 6.35m grading 1.41 g/t Au and 36.4 g/t Ag including
  • 2.70m grading 1.94 g/t Au and 58.5 g/t Ag


  • 3.80m grading 2.69 g/t Au and 26.0 g/t Ag including
  • 2.35m grading 3.31 g/t Au and 32.2 g/t Ag

Warren Rehn, President and Chief Executive Officer of Golden Minerals, commented, "We are pleased with the first results of the near-pit exploration drilling program, as these intercepts indicate that we should be able to expand the currently modelled high-grade zone to the north. The intercept in hole 10 is a newly discovered zone that is open up and down dip and to the northwest. These encouraging results demonstrate that the current pit can likely be expanded with additional drilling which could lead to an increase in the life of mine."

A photo accompanying this announcement is available at

Note: Historic drill holes are not shown in the location map. Prior drilling is at about a 25-meter spacing throughout the high-grade mineralized area.

The continuation of the exploration program will include additional near-pit targets, as well as other surface targets within a few hundred meters of the currently planned open pit, with the goal of finding additional high-grade mineralization to extend the life of mine.

Summary assay results are shown as follows:

Hole ID From To Interval Au (g/t) Ag (g/t)
ROD_021_001 26.40 27.00 0.60 1.09 6.9
ROD_021_002 10.30 11.35 1.05 2.33 1.3
ROD_021_002 22.55 24.40 1.85 1.09 4.6
ROD_021_003 13.75 27.50 13.75 2.64 10.5
including 15.70 17.30 1.60 9.17 18.5
including 16.35 16.85 0.50 12.20 21.2
including 22.65 25.60 2.95 1.10 16.5
ROD_021_003 40.45 46.80 6.35 1.41 36.4
including 40.45 43.15 2.70 1.94 58.5
ROD_021_003 61.70 62.25 0.55 1.20 150.0
ROD_021_004 13.05 14.15 1.10 1.28 2.6
ROD_021_004 21.00 23.35 2.35 1.53 7.5
ROD_021_004 27.75 30.50 2.75 1.89 19.1
ROD_021_004 32.40 33.90 1.50 0.99 10.1
ROD_021_004 44.55 45.35 0.80 5.26 128.0
ROD_021_005 No Significant Results
ROD_021_006 20.90 21.55 0.65 1.08 8.8
ROD_021_006 34.85 35.80 0.95 1.88 13.4
ROD_021_007 8.40 9.70 1.30 1.22 3.1
ROD_021_008 34.20 39.05 4.85 1.18 5.9
ROD_021_008 41.40 42.60 1.20 1.25 2.9
ROD_021_008 52.55 56.50 3.95 1.71 14.7
including 54.55 55.50 0.95 2.83 23.1
ROD_021_008 61.10 62.40 1.30 1.60 15.5
ROD_021_008 69.90 71.10 1.20 1.40 13.3
ROD_021_009 0.00 14.65 14.65 3.94 8.0
including 0.00 9.30 9.30 5.38 9.8
including 0.00 5.50 5.50 6.36 11.7
including 0.00 3.95 3.95 7.74 12.9
including 0.00 0.60 0.60 17.35 9.9
including 3.40 3.95 0.55 10.90 23.5
ROD_021_009 15.70 18.45 2.75 1.52 10.9
ROD_021_009 23.90 27.60 3.70 7.02 21.5
including 25.75 26.65 0.90 21.09 50.4
ROD_021_009 28.70 30.70 2.00 1.38 25.2
ROD_021_009 33.15 33.70 0.55 3.84 27.9
ROD_021_010 16.95 18.40 1.45 1.11 10.6
ROD_021_010 24.40 24.70 0.30 1.78 7.5
ROD_021_010 27.95 28.65 0.70 1.08 5.4
ROD_021_010 55.40 59.20 3.80 2.69 26.0
including 55.40 57.75 2.35 3.31 32.2

Note: Estimated true widths range from 70% to 90% of drilled widths depending on dip of the vein and inclination of the hole. Intervals and grades have been rounded to either one or two decimal places.

About Rodeo
Rodeo is a gold-silver open pit mine located in Durango State, Mexico. Production began in January 2021, with material being trucked to the Company's oxide mill at the Velarde?a Properties located around 115 kilometers away via road. Rodeo's current expected life per the terms of an independently prepared, NI 43-101-compliant Preliminary Economic Assessment (April 2020) is 2.5 years.

Review by Qualified Person and Quality Control
The technical contents of this press release have been reviewed by Aaron Amoroso, a Qualified Person for the purposes of NI 43-101. Mr. Amoroso has over 13 years of mineral exploration and mining industry experience and is a Qualified Person member of the Mining and Metallurgical Society of America (QP Geology & Ore Reserves, 01548QP).

To ensure reliable sample results, Golden Minerals uses a quality assurance/quality control program that monitors the chain of custody of samples and includes the insertion of blanks, duplicates, and reference standards in each batch of samples. Core is photographed and sawn in half with one half retained in a secured facility for verification purposes. Sample preparation (crushing and pulverizing) is performed at an independent ISO 9001:2001 certified laboratory in Chihuahua or Zacatecas, Mexico. Prepared samples are direct shipped to an ISO 9001:2001 certified laboratory in Canada.

About Golden Minerals
Golden Minerals is a Delaware corporation based in Golden, Colorado. The Company is primarily focused on operations at its Rodeo property in Mexico, advancing its Velarde?a property in Mexico and, through partner-funded exploration, its El Quevar silver property in Argentina, as well as acquiring and advancing mining properties in Mexico, Argentina, and Nevada.

Forward-Looking Statements
This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended and Section 21E of the Securities Exchange Act of 1934, as amended, and applicable Canadian securities legislation, including statements regarding expectations surrounding the potential expansion of the currently-modelled high-grade zone and the possibility of extending the life of mine at Rodeo. These statements are subject to risks and uncertainties, including the reasonability of the economic assumptions at the basis of the Rodeo Preliminary Economic Assessment and technical report and the other economic projections of the Rodeo mine; changes in interpretations of geological, geostatistical, metallurgical, mining or processing information; interpretations of the information resulting from exploration, analysis or mining and processing experience; fluctuations in exchange rates and changes in political conditions, tax, royalty, environmental or other laws in Mexico; fluctuations in silver or gold prices; and the timing duration and overall impact of the COVID-19 pandemic, including the potential future re-suspension of non-essential activities in Mexico, including mining. Golden Minerals assumes no obligation to update this information. Additional risks relating to Golden Minerals may be found in the periodic and current reports filed with the SEC by Golden Minerals, including the Company's Annual Report on Form 10-K for the year ended December 31, 2020.

For additional information please visit or contact:
Golden Minerals Company
Karen Winkler, Director of Investor Relations
(303) 839-5060
SOURCE: Golden Minerals Company

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