Chargeability Anomalies Discovered Along With Claims Staked At Cottonwood

VANCOUVER – Black Mammoth Metals Corporation (BMM) reported the results of a pole-dipole induced polarization geophysical survey (the “IP Survey”) and subsequent drill target definition at the Cottonwood target, within the Company’s Callaghan property, which is located on the eastern flank of the northern Toiyabe Range, Lander County, Nevada. The Company has also staked 152 unpatented lode claims managed by the Bureau of Land Management. Together with the 62 existing claims, the Property now covers a total of approximately 1785 hectares (4411 acres).

The IP Survey on the Property comprised nine (IP) lines with a total length of approximately 23,800 line-kilometers. The objective of the IP Survey was to assess the intense sulfide gold mineralization encountered in drill holes CW-1, CW-2, and CW-2B from the 2025 spring drilling campaig. Three reverse circulation (RC) holes intersected strongly altered rocks with associated gold anomalies from the beginning to the end of all holes. Hole CW-2B returned the best gold intercept: 61m @ 0.416 g/t, including 3.048m @ 3.57 g/t (see Table 1). The alteration can be described as silicification and marbleized carbonates with abundant disseminated pyrite, suggesting a large, intrusive-related gold system in the vicinity.

The Callaghan Property is located within an erosional window that exposes highly prospective Lower Plate Paleozoic sedimentary rocks, which on the Property have been strongly altered by gold, arsenic, antimony and mercury-bearing hydrothermal fluids. The Callaghan Property contains near-surface gold mineralization in several historic drill holes. 

The IP Survey suggests a prospective corridor with 3 potential targets currently measuring 3.5km in length by 1.3km in width. Drill testing will be needed to prove mineralization. The existing Notice of Intent will need to be amended for further drilling with all the target zones having good dirt road access requiring minimal Property surface disturbance.

The Company also continues to acquire non-core exploration interests in the western US, by purchase and by staking.