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Golden Minerals Discovers New Vein and Intersects Excellent Gold and Silver Grades at its Yoquivo Project in Chihuahua, Mexico

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Golden Minerals Discovers New Vein and Intersects Excellent Gold and Silver Grades at its Yoquivo Project in Chihuahua, Mexico






Golden Minerals Company (NYSE American:AUMN) (TSX: AUMN) is pleased to announce it has received assay results from its recent 3,400-meter, 15-hole drill campaign at the Company’s Yoquivo gold-silver district-scale property in Chihuahua, Mexico.


Highlights include the following:


  • YQ_20_001   Pertenencia Vein
    • 1.3m grading 5.69 g/t Au and 223 g/t Ag (650g/t AgEq) within
    • 4.2m grading 2.34 g/t Au and 190 g/t Ag (365 g/t AgEq)
  • YQ_20_002 Pertenencia Vein
    • 0.6m grading 1.14 g/t Au and 423 g/t Ag (509 g/t AgEq) within
    • 1.9m grading 0.45 g/t Au and 150 g/t Ag (184 g/t AgEq)
  • YQ_20_006 Esperanza Vein
    • 1m grading 5.0 g/t Au and 118 g/t Ag (524 g/t AgEq) within
    • 3.6m grading 1.77 g/t Au and 49 g/t Ag (190 g/t AgEq)
  • YQ_20_007 Esperanza Vein
    • 0.4m grading 8.76 g/t Au and 60 g/t Ag (717 AgEq) within
    • 2.8m grading 1.2 g/t Au, 65 g/t Ag (155 g/t AgEq)
  • YQ_20_010 New Vein
    • 0.2m grading 15.4 g/t Au and 1150 g/t Ag (2305 g/t AgEq) within
    • 5.4m grading 1.9 g/t Au and 135 g/t Ag (278 g/t AgEq)
  • YQ_20_011 New Vein
    • 3.0m grading 4.2 g/t Au and 734 g/t Ag (1049 g/t AgEq) within
    • 12.3m grading 1.3 g/t Au and 225 g/t Ag (323 g/t AgEq)
  • YQ_20_012 New Vein
    • 0.3m grading 135.5 g/t Au and 7480 g/t Ag (17,643 g/t AgEq) within
    • 1.2m grading 34 g/t Au and 1895 g/t Ag (4445 g/t AgEq)


Warren Rehn, President and Chief Executive Officer of Golden Minerals, commented, “These excellent drill results from Yoquivo highlight its potential to host economic gold-silver mineralization. This recent drilling has identified multiple veins with potentially economic gold-silver grades, including a newly discovered vein without previous historic mining within our district scale property holdings. We plan to follow with a second phase drill program which could start in the next few months.”


Yoquivo covers a large, low-sulfidation epithermal vein system with limited historic production. The Company has identified four separate vein systems in which surface sampling has returned grades up to 4,050 g/t silver and 27.7 g/t gold from surface. See Golden Minerals’ press release dated Oct. 31, 2018 for details: AUMN Identifies High-Grade Gold and Silver Veins at Yoquivo.


Golden Minerals completed the phase one drill program in December 2020 (see related press release here), and drilled 15 holes totalling approximately 3,400 meters exploring the four known vein systems exposed on the property. The exploration program was designed to target the Pertenencia, San Francisco and Esperanza vein systems to better understand the nature and distribution of the gold-silver mineralization. Of substantial interest is the discovery of a new vein parallel to and east of the Pertenencia vein. While the other principal veins have been partially mined from surface to the water table (up to 130 meters) in the case of San Francisco and Pertenencia, and over a much less extensive vertical interval in the case of El Dolar and Esperanza, the new vein is unmined from surface. Summary assay results from the 2020 drill program are shown as follows:



Hole_ID From To Interval Au (g/t) Ag (g/t) AgEq (g/t) Target
YQ_20_001 111.6 115.8 4.2 2.34 190 365 Pertenencia
  including 114.4 115.8 1.3 5.69 223 650  
YQ_20_002 192.2 194.1 1.9 0.45 150 184 Pertenencia
  including 192.3 192.8 0.6 1.14 423 509 Pertenencia
YQ_20_003 165.0 165.6 0.6 Drill-hole intersected old workings  
YQ_20_003 169.6 170.0 0.4 2.56 228 420 Pertenencia FW
YQ_20_004 72.0 74.0 2.0 Drill-hole intersected old workings Pertenencia
YQ_20_005 66.1 74.0 7.9 0.27 101 121 Esperanza
  including 67.7 70.3 2.6 0.16 149 161  
YQ_20_005 71.7 72.1 0.4 1.44 62 170 Esperanza
YQ_20_006 91.9 95.5 3.6 1.77 49 182 Esperanza
  including 91.9 92.9 1.0 5.00 118 493 Esperanza
YQ_20_007 92.3 95.0 2.8 1.20 65 155 Esperanza
  including 93.2 93.5 0.4 8.76 60 717 Esperanza
YQ_20_008 No Significant Results San Francisco
YQ_20_009 36.5 41.0 4.5 0.42 115 147 New Vein
YQ_20_009 200.3 201.8 2.2 0.76 240 297 Pertenencia
  including 200.7 201.3 0.6 1.71 527 655 Pertenencia
YQ_20_010 75.5 77.6 2.1 1.30 30 128 New Vein
YQ_20_010 131.0 136.4 5.4 1.90 135 278 New Vein
  including 131.0 131.2 0.2 15.40 1,150 2,305  
YQ_20_010 173.7 195.2 21.5 0.50 71 109 Pertenencia
  including 187.0 193.0 6.1 0.70 118 171  
YQ_20_010 208.8 210.0 1.2 0.44 85 118 Pert_FW
  including 209.6 210.0 0.4 0.81 144 205  
YQ_20_011 117.8 130.1 12.3 1.30 225 323 New Vein
  including 117.8 120.8 3.0 4.20 734 1,049  
YQ_20_012 47.3 48.5 1.2 34.00 1,895 4,445 New Vein
  including 47.3 47.6 0.3 135.50 7,480 17,643  
YQ_20_013 No Significant Results Dolar
YQ_20_014 No Significant Results San Francisco
YQ_20_015 170.0 174.0 4.0 0.74 137 193 Esperanza
  including 170.0 170.9 0.9 2.30 39 212  



  • Estimated true widths range from 65% to 90% of drilled widths depending on dip of the vein and inclination of the hole.
  • AgEq calculations for reported drill results are based on USD $20.00/oz Ag, $1,500/oz Au. The calculations assume 100% metallurgical recovery and are indicative of gross in-situ metal value at the indicated metal prices.
  • Intervals have been simplified to one decimal place.


The following map displays the drill program’s drill-hole locations and Yoquivo’s principal veins:


Additional information and images with hole-specific data from the drill campaign may be found by accessing the Company’s website at


About Yoquivo


Golden holds an option to purchase seven concessions that comprise the Yoquivo property, totalling 1,974.8 hectares located in western Chihuahua State in northern Mexico, for payments totalling $0.75 million over four years and subject to a 2% net smelter return royalty on production capped at $2 million. The claims cover an underexplored epithermal precious metals district that shows similar mineralization to the adjacent Ocampo mining district, and the Company, through systematic exploration, hopes to identify significant high-grade mineralization.


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 advancing its Rodeo and Velardeña properties 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.


Posted January 27, 2021

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