Saturday, September 26, 2026
MiningNewsTerminal
Saturday, September 26, 2026 Admin

AUMN.TO ·

Golden Minerals Acquires Navegantes Silver Exploration Project

Mergers & Acquisitions Property Options & Staking

Golden Minerals Acquires Navegantes Silver Exploration Project

GOLDEN, Colo., Nov. 15, 2018 -- Golden Minerals Company (NYSE American and TSX: AUMN) (“Golden Minerals”, “Golden”

or “the Company”) is pleased to announce it has acquired the Navegantes project in southern Chihuahua state, Mexico, where

recent surface and underground sampling have returned high-grade silver values from a series of epithermal silver-base metal

veins outcropping on the property.

Navegantes sampling highlights :

• 1 meter (“m”) assaying 1,585.5 g/t Ag

• 1.45m assaying 759.2 g/t Ag

• 1.1m assaying 638.9 g/t Ag

• 2.1m assaying 472 g/t Ag

The project consists of six concessions totaling 521 hectares and is located approximately 60km northwest of the San

Francisco del Oro-Santa Barbara District where the company’s Santa Maria project is located. Initial sampling and mapping

have identified extensive zones of oxidized and leached epithermal quartz veining over an 800m strike length that has delivered

high silver grades.

A photo (Figure 1: Navegantes project location) accompanying this announcement is available

at: http://www.globenewswire.com/NewsRoom/AttachmentNg/d3fa796c-98b8-4e1a-aade-09ad5f4bd773

Figure 1, “Navegantes project location”, may also be viewed here:  http://www.goldenminerals.com/drill_testing.php

Mr. Warren Rehn, President and Chief Executive Officer of Golden Minerals, said; “Navegantes is an exciting prospect that

hasn’t been systematically explored even though it is located in an area of several modern major discoveries. We were

pleasantly surprised by the high-grade surface silver assays from heavily weathered and leached veins outcropping on the

surface.

“This project was identified by our generative exploration team that is searching for under-explored projects in central Mexico

to allow the company to add high-quality, early-stage projects that can be advanced quickly to create value for our

shareholders.”

A photo (Figure 2: Major mines and development projects close to the Navegantes project) accompanying this

announcement is available at: http://www.globenewswire.com/NewsRoom/AttachmentNg/f3575a85-1f34-45cb-b60b-

49335b05d9e4

Figure 2, “Major mines and development projects close to the Navegantes project”, may also be viewed 

here: http://www.goldenminerals.com/drill_testing.php

The mineralization occurs as iron oxides, within quartz veins that range up to 2m in width and are exposed over strike lengths

in excess of 800m. Based on historic mines and prospects in the San Francisco del Oro-Santa Barbara and Hidalgo de Parral

districts, we believe there exists excellent potential to define significant silver mineralization at depth.

Golden Minerals collected 103 surface and underground chip channel and grab samples from vein exposures, mine workings

and mine dumps. Results from this initial sampling program are summarized in Table 1, with surface sample results shown in

Figure 3.

Table 1: Results from the 2018 Navegantes sampling program

Channel ID Vein Width (m) Ag (g/t) Pb (ppm) Zn (ppm)

NAV_U_01 San Pedro 1.5 14 74 339

NAV_U_02 San Pedro 1.3 6 33 221

NAV_U_03 San Pedro 1.2 8 25 145

NAV_U_04 San Pedro 2.5 73 28 157

NAV_U_05 San Pedro 0.8 519 1739 328

NAV_U_06 San Pedro 1.1 352 1055 1295

NAV_U_07 San Pedro 1.2 178 113 706

NAV_U_08 San Pedro 1.0 1586 70 175

Inc. San Pedro 0.7 1965 69 189

NAV_U_09 San Pedro 1.5 759 69 79

Inc. San Pedro 0.4 1600 72 79

Nav_01 San Pedro 1.3 85 15804 1055

Nav_02 San Pedro 2.2 16 125 133

Nav_03 Navegantes 2.1 472 22 199

Inc. Navegantes 0.9 608 15 200

Nav_04 Navegantes 2.0 201 837 421

Inc. Navegantes 1.0 268 655 186

Nav_05 Navegantes 1.5 37 103 95

Nav_06 Navegantes 1.4 261 28 218

Inc. Navegantes 0.6 406 33 261

Nav_07 Navegantes 1.4 48 257 223

Nav_08 Navegantes 1.5 73 851 179

Nav_09 Navegantes 1.7 14 325 384

Nav_10 San Pedro 1.1 639 31 104

Inc. San Pedro 0.6 1135 43 165

Nav-16 Dump Sample   197 7690 687

Nav-17 Dump Sample   205 5270 522

Nav-18 Dump Sample   438 4030 458

Nav-19 Dump Sample   606 2160 355

Nav-20 Dump Sample   951 4870 446

Nav-21 Dump Sample   475 469 251

Nav-31 Dump Sample   358 22 209

Nav-52 Dump Sample   285 2180 637

Nav-53 Dump Sample   211 944 386

Nav-51 New vein 0.3 134 1920 165

Nav-61 New vein 0.9 268 28 147

SP-1 San Pedro 0.9 278 26 159

Complete results are available on the Golden Minerals website at http://goldenminerals.com/drill_testing.php, as are  more

detailed surface maps.

A photo (Figure 3: Navegantes sample locations and silver assays) accompanying this announcement is available at

http://www.globenewswire.com/NewsRoom/AttachmentNg/95c1b611-aa49-42c2-9526-78a49e4ab7ed

Figure 3, “Navegantes sample locations and silver assays”, may also be viewed here: 

http://www.goldenminerals.com/drill_testing.php

Next Steps

Golden is currently conducting additional mapping and sampling on the property to identify prospective targets for follow-up

testing by trenching and/or drilling.

About Navegantes

Golden Minerals holds an option to purchase six concessions totaling 521 hectares by paying $0.4M over three years.  The

property is located in southwestern Chihuahua state, in northern Mexico. The project covers two vein systems (Navegantes

and San Pedro-San Francisco) as well as a number of smaller subsidiary veins. The property is located 68km northwest of

Grupo Mexico’s Santa Barbara operation (6,000 tonnes per day) and 63km northwest of Frisco’s San Francisco Mine (4,000

tonnes per day). The project is also 61km south of Sunshine Mining’s Los Gatos project. The Navegantes property covers an

underexplored epithermal precious silver-base metal district that shows similar mineralization to the adjacent Parral Mining

District. 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 Warren M. Rehn, M.Sc., a Qualified Person for the

purposes of Canadian National Instrument 43‐101. Mr. Rehn has over 33 years of mineral exploration experience and is a QP

member of the Mining and Metallurgical Society of America.

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 El

Quevar silver property in Argentina and on acquiring and advancing mining properties in Mexico with emphasis on areas near

its Velardeña processing plants.

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 relating to the Company’s plans for systematic exploration of the Navegantes claims and the

possibility of identifying significant high-grade mineralization. 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 future exploration, analysis or mining and processing experience, new

information from exploration or analysis, unexpected variations in mineral grades, types and metallurgy, fluctuations in silver

metal prices, increases in costs and declines in general economic conditions, and changes in political conditions, in tax,

royalty, environmental and other laws in Mexico, and financial market conditions. 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 Securities and Exchange Commission by Golden Minerals, including the Company’s Annual Report on Form 10 ‐K for the

year ended December 31, 2017.

Karen Winkler

Director of Investor Relations

(303) 764-9170

[email protected]

SOURCE: Golden Minerals Company