Golden Minerals Company (“Golden Minerals”, “Golden” or the
“Company”) (NYSE-A: AUMN and TSX: AUMN) is pleased to report a
second set of assays from the recently completed 21-hole drill
program at its Yoquivo gold-silver project in northwest Chihuahua
state, Mexico. Highlights from the drilling include:
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Yoquivo Project - Completed Drill Holes
and Mapped Veins (Graphic: Business Wire)
- 6.2m @ 17.19 g/t Au and 2,403.5 g/t Ag
- 2.4m @ 3.90 g/t Au and 328.0 g/t Ag
- 0.7m @ 3.40 g/t Au and 12.6 g/t Ag
- 0.6m @ 0.52 g/t Au and 130.0 g/t Ag
The drill program included 3,949m comprised of 21 holes
exploring the Pertenencia, Esperanza and Dolar vein systems. Drill
holes were designed to follow up on the high-grade zones
intersected by the Company’s 2020 drill program and to explore
additional veins to identify new high-grade zones. The Company
reported results from the first five holes of the program on
January 27, 2022 [link]. This second set of results covers an
additional nine holes. Golden is currently awaiting assay results
for the last seven holes.
Significant results and drill-hole locations are summarized in
the tables below, with complete results available on the Company
website. [link]
Hole ID From (m) To (m) Interval (m)
True width (m) Au g/t Ag g/t Target
YQ_021_006
64.8
70.9
6.2
5.1
17.19
2403.5
Pertenencia Vein including
64.8
66.7
2.0
1.6
50.40
6989.6
Pertenencia Vein including
65.2
65.5
0.4
0.3
188.50
21447.0
Pertenencia Vein YQ_021_007
74.3
75.0
0.7
0.6
3.40
12.6
Pertenencia Vein YQ_021_008
118.1
119.6
1.5
1.1
1.80
2.6
Dolar Vein YQ_021_009
163.6
164.7
1.1
0.6
0.18
20.4
Dolar Vein YQ_021_010
122.8
124.0
1.2
1.0
0.85
6.7
Esperanza Vein YQ_021_011
42.6
42.9
0.3
0.2
1.20
155.0
Dolar Vein YQ_021_012
54.0
54.5
0.5
0.3
0.74
105.0
Dolar Vein YQ_021_012
58.7
59.2
0.6
0.3
0.52
130.0
Dolar Vein YQ_021_012
92.7
95.1
2.4
1.0
3.90
328.0
Dolar Dos Vein including
93.1
94.1
1.0
0.4
9.23
763.0
Dolar Dos Vein YQ_021_013
182.5
183.7
1.2
0.7
0.69
19.1
Dolar Vein YQ_021_014
137.4
138.3
1.0
0.8
0.24
75.7
Esperanza HW Vein
Hole ID Easting Northing
Elevation Azimuth Dip Length YQ_021_006
791263
3104873
2020
300
-45
123
YQ_021_007
791264
3104873
2021
300
-70
171
YQ_021_008
789773
3106013
2270
140
-45
228
YQ_021_009
789773
3106013
2270
140
-60
210
YQ_021_010
789000
3106534
2228
270
-45
201
YQ_021_011
789780
3105939
2278
180
-45
150
YQ_021_012
789780
3105940
2278
180
-65
120
YQ_021_013
789772
3106013
2270
160
-65
225
YQ_021_014
789001
3106535
2228
270
-67
291
Coordinates are in WGS84 datum, zone 12N
Hole YQ_021_006, which cut the highest grade interval to date,
was drilled to explore the southern continuation of the
mineralization intersected by hole YQ_20_001 (1.3m grading 5.69 g/t
Au and 223 g/t Ag (link)), which was drilled to explore the
down-dip continuation of the Pertenencia Vein below the historic
mine workings.
Five holes were drilled to explore the Dolar Vein system below
the historic Dolar Mine workings, where surface mapping and
sampling has defined a series of NE-trending quartz veins over a
two-kilometer strike length. Each hole intersected multiple quartz
and calcite veins, zones and breccias hosted in altered and
silicified andesites characteristic of the other low sulphidation
epithermal veins found within the Yoquivo mining district.
The Company has also recovered drill core from a 2007 program
completed by West Timmins Mining in which West Timmins Mining
drilled 2,470.75m in 8 holes. Golden Minerals’ geologists are
currently relogging and resampling the drill core and will
incorporate this data into the Golden Minerals database.
“This second set of drill results from Yoquivo continues to show
high grades from the Pertenencia vein and the high-grade zone is
open to the south,” said Warren Rehn, President and Chief Executive
Officer of Golden Minerals. “We are also encouraged to see strong
gold and silver mineralization from some of the first holes drilled
on the Dolar Vein system. Results to date clearly indicate the
presence of economic grades on several veins in this multi-vein
system.”
About Yoquivo
Golden holds an option to purchase seven concessions that
comprise the Yoquivo property, totaling 1,974.8 hectares located in
western Chihuahua State in northern Mexico, for payments totaling
$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 Matthew Booth, a Qualified Person for the purposes of NI 43-101.
Mr. Booth has over 18 years of mineral exploration experience and
is a Qualified Person member of the American Institute of
Professional Geologists (CPG 12044).
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.
Quality Assurance / Quality Control
Diamond drilling was conducted by Eco Drilling México S. de R.L.
de C.V with a Cortech CSD 1300G rig. Drill holes were drilled to
depths ranging from 102m to 351m and were drilled at azimuths of
140° or 310° and a dip ranging from -45° to -75°. No water was
encountered during drilling. Holes were positioned with a hand-held
GPS (accuracy +/- 5 meters) and later surveyed with a Differential
GPS once the drilling campaign was completed.
Samples of the core were obtained using a diamond saw to cut the
core in half, retaining one half for a permanent core record, and
the other sent for analysis.
Drill-core samples were shipped to ALS Chemex sample preparation
facility in Chihuahua, Chihuahua, Mexico for sample preparation and
for analysis at the ALS laboratory in North Vancouver, British
Columbia, Canada. The ALS Chihuahua and North Vancouver facilities
are ISO 9001 and ISO/IEC 17025 certified. ALS Global in North
Vancouver is a facility certified as ISO 9001:2008 and accredited
to ISO/IEC 17025:2005 from the Standards Council of Canada.
Samples were crushed to 70% passing 2mm (PREP-31) with a split
of up to 250 grams pulverized to 85% passing 75 micrometers (-200
mesh). The sample pulps and crushed splits were transferred
internally to ALS Global’s North Vancouver analytical facility for
gold and multi-element analysis. Pulps (30 gram split) are
submitted for Au analysis by fire assay with atomic absorption
finish (Au-AA23) and silver samples were analyzed by atomic
absorption (Ag-AA45).
Over-limit Au (>10.0 g/t Au) and Ag (>1500 g/t Ag) samples
are analyzed by fire assay with gravimetric finish (Au-GRA22 and
Ag-GRA21). Over-limit base metal samples (>10,000 ppm or 1%) are
re-analyzed inductively coupled plasma atomic emission spectrometry
using protocols for higher grade results (ICP-AES) for Cu, Pb and
Zn (Cu-OG62, Pb-OG62, Zn-OG62).
In-house quality control samples (blanks, standards, duplicates,
preparation duplicates) were inserted into the sample set by Golden
Minerals. ALS Global conducts its own internal QA/QC program of
blanks, standards and duplicates, and the results were provided
with the Company sample certificates. The results of the ALS
control samples were reviewed by Golden Minerals and the Company’s
QP and evaluated for acceptable tolerances.
All sample and pulp rejects are stored at the Company’s secure
warehouse in Velardeña, Durango pending full review of the
analytical data, and future selection of pulps for independent
third-party check analyses, if required.
About Golden Minerals
Golden Minerals is a growing gold and silver producer based in
Golden, Colorado. The Company is primarily focused on producing
gold and silver from its Rodeo Mine and advancing its Velardeña
Properties in Mexico and, through partner funded exploration, its
El Quevar silver property in Argentina, as well as acquiring and
advancing selected mining properties in Mexico, Nevada and
Argentina.
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 the anticipated additional assay results from
the Yoquivo drill program, the potential for the Yoquivo property
to host economic grades, , and the Company’s plans to update the
Golden Minerals data base with results from the relogging and
resampling of the drill core from the 2007 West Timmins program.
These statements are subject to risks and uncertainties, including
changes in interpretations of geological, geostatistical,
metallurgical, mining or processing information, and
interpretations of the information resulting from exploration,
analysis or mining and processing experience. 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.
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version on businesswire.com: https://www.businesswire.com/news/home/20220216005460/en/
For additional information please visit
http://www.goldenminerals.com/ or contact: Golden Minerals Company
Karen Winkler, Director of Investor Relations (303) 839-5060
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