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U.S. GoldMining Inc. reports developments in mineral exploration and project evaluation for its 100%-owned Whistler Gold-Copper Project in Alaska. Company updates focus on gold-copper porphyry targets, diamond core drilling programs, geochemical and geophysical target generation, and technical disclosure tied to the project's initial economic assessment.
Recurring news also covers S-K 1300 and NI 43-101 technical reports, project-development leadership additions, permitting and infrastructure context for Whistler, and the company's relationship with majority owner GoldMining Inc. The issuer operates as a single-segment mineral exploration company focused on mineral properties.
GoldMining (NYSE American: GLDG) reported additional 2025 RC drilling results from the 100% owned São Jorge Project, Pará, Brazil, highlighting new exploration potential at the William South prospect ~1.5 km north of the São Jorge deposit. Key intercepts include 12 m at 2.38 g/t Au (incl. 1 m at 22.08 g/t) and 4 m at 1.11 g/t Au. The 2025 program completed 9,533 m of drilling on-budget, and preliminary IP processing shows William South lies on the southern flank of a broad chargeability/resistivity anomaly similar to the São Jorge deposit. Further drilling is planned to test the anomaly core in 2026.
GoldMining (NYSE American: GLDG) announced a management change effective January 1, 2026. Paulo Pereira resigned as President to become Country Manager, Brazil, focusing on the company's Brazilian projects.
Alastair Still, CEO, will assume the additional role of President effective January 1, 2026. The company noted continued exploration at the São Jorge Project in Pará State, which has completed the largest exploration program in the company's history.
U.S. GoldMining (NASDAQ: USGO) reported updated 2025 metallurgical test results for the Whistler Gold-Copper Project that will inform the ongoing PEA. Overall gold recovery reached 85.3% combining sulphide flotation and sequential leach. Sulphide locked cycle test LCT28 produced a copper concentrate grading 23.7% Cu at a 0.6% mass pull with metal recoveries of 79.1% Cu, 54.1% Au and 55.3% Ag. Subsequent cyanide leaching of pyrite rougher tails recovered an additional 31.2% Au (88.7% extraction of the pyrite tail fraction). The program used a Master Composite from four drill holes; further variability testing is planned.
U.S. GoldMining (NASDAQ: USGO) highlighted the inclusion of copper and silver on the U.S. 2025 List of Critical Minerals (published Nov 7, 2025) and linked that policy development to its Whistler Gold-Copper Project in Alaska. The company said Whistler's mineral resource estimate includes over 1.0 billion pounds of copper and ~19 million ounces of silver in the Indicated category, plus 3.93 million ounces of gold indicated. Inferred resources were reported as 0.3 billion pounds copper, 11.5 million ounces silver and 3.31 million ounces gold. The Project sits on 53,700 acres about 105 miles from Anchorage and is advancing an initial PEA announced June 9, 2025.
GoldMining (NYSE:GLDG) announced that Brazil's National Mining Agency granted a renewal for exploration claim 866032/2008 (the Colíder Project) effective October 30, 2025. The renewal is valid for three years during which the company must prepare and present a final exploration report.
The Colíder Project is a 10,000 hectare concession in Mato Grosso State within the Alta Floresta Gold Belt. GoldMining is compiling and validating historic data, including 29 RC holes totalling 1,847 metres and selective historic assays up to 11.2 g/t Au, and plans initial ground-truthing and systematic exploration.
U.S. GoldMining (NASDAQ: USGO) will present at Red Cloud's Fall Mining Showcase 2025 in Toronto on November 4–5, 2025. The in-person event is at the Sheraton Centre Toronto Hotel and gathers investors, mining companies and industry leaders.
Tim Smith, CEO, will present on November 4 at 11:00 AM Eastern Standard Time. The company focuses on advancing its 100% owned Whistler Gold-Copper Project, located 105 miles (170 kilometers) northwest of Anchorage, Alaska. Shareholders and interested parties are invited to attend; registration and the full agenda are available at the event website.
GoldMining (NYSE American: GLDG) reported initial 2025 RC drilling results at its 100% owned São Jorge Project in Pará, Brazil, announcing four new gold prospects within a 3.5 km radius of the existing São Jorge deposit.
Highlights include RC intercepts such as 1 m @ 5.98 g/t Au (Dragon West) and 4 m @ 1.78 g/t Au including 1 m @ 5.03 g/t Au (William South). The program has completed 8,514 m of drilling to date (3,862 m diamond core, 2,553 m RC, 2,100 m auger) of a planned combined program. RC drilling was introduced to test shallow targets; numerous samples and ~18 RC holes remain pending assays. Ongoing work includes follow-up RC and potential deeper diamond core drilling, ~40 line-km IP (≈75% complete), LiDAR, and further geochemistry to refine targets.
U.S. GoldMining (NASDAQ: USGO) completed its 2025 exploration program at the 100% owned Whistler Gold-Copper Project in Alaska on Oct 13, 2025, finishing all field work safely and on schedule.
Key activity included 169 scout auger drill holes across the 7.5 km by 4.5 km Whistler Orbit, mapping of new porphyry intrusives, shallower-than-expected till, and detailed mapping/sampling at Muddy Creek (106 rock grab and 7 silt samples). Assays for basal till, top-of-bedrock and Muddy Creek samples are pending. The company continues work on a PEA and references its Sept 12, 2024 mineral resource technical reports.
U.S. GoldMining (NASDAQ: USGO) hosted U.S. Congressman Nick Begich at its 100% owned Whistler Gold-Copper Project in Alaska on September 21, 2025. The visit highlights growing national interest in Alaska's West Susitna Mineral District's resource development potential.
The company's 2025 exploration program has been extended to early October, focusing on scout drilling of the Whistler-Raintree mineral system. Recent metallurgical tests showed significant improvement in gold recoveries to 85.3%, a 22% increase from previous results. The company is advancing its previously announced Preliminary Economic Assessment (PEA) to evaluate the project's economic potential.
This visit follows Senator Lisa Murkowski's tour in August 2025, demonstrating strong congressional interest in Alaska's resource development opportunities.
GoldMining Inc. (NYSE: GLDG) has released its third annual Sustainability Report for fiscal year 2024, highlighting significant progress in environmental, social, and governance (ESG) initiatives. The company reported notable achievements including a five-fold increase in health and safety training to 1,368 hours, zero reportable environmental incidents, and a 79% total water recirculation rate.
Key highlights include enhanced environmental monitoring programs, implementation of supplier sustainability screening, and improved board diversity with 83% ethnic diversity and 33% female representation. The company maintained its commitment to local employment with 100% of staff hired from within operating countries across its portfolio of gold and gold-copper projects in Canada, U.S.A., Brazil, Colombia, and Peru.