Algo Grande Copper Core Testing Shows Mineralized Skarn is Denser and More Chargeable Than Host Rocks; Ground Gravity Survey to Begin at Adelita

Algo Grande Copper Corp. announced petrophysical testing results from its Adelita Project, confirming that mineralized skarn is significantly denser and more chargeable than host rocks. Petrophysical data from Zonge International Lab shows mineralized skarn mean density of 3.76 g/cm³ versus host rocks at 2.60–2.92 g/cm³, and chargeability of 74–128 ms versus below 13 ms for other lithologies.

The company engaged GEOTEM to conduct a ground gravity survey starting October 22, 2026, to test structural targets along a 7-kilometer corridor and identify new skarn targets ahead of future drilling. Drill hole AG-CG-PH2-003 intersected fault-hosted skarn from 602.0 to 654.1 meters, including an interval with visible copper sulfides; however, assays are pending and true widths are not yet known.

The announcement follows a series of Phase II drill updates, including full assay results for Hole 2 (68.43m @ 1.0% CuEq) released in late September 2026.

Algo Grande Copper Corp. (ALGR) released a routine positive update that validates its geophysical targeting strategy. The confirmation that skarn deposits are both denser and more chargeable than surrounding host rocks supports the company’s decision to deploy ground gravity and induced polarization (IP) surveys.

Deep drilling in Hole 3, which intersected mineralization from 602 to 654 meters, provides early visual evidence that following structural and geophysical anomalies leads to new skarn intersections. However, the absence of assay results and true widths limits the immediate financial impact of this finding. The market has already priced in the Phase II drilling campaign and the $4.79 million financing closed in September 2026. This release represents an expected incremental step in the exploration workflow rather than a transformative event.

Algo Grande Copper Corp. is an early-stage exploration company focused on the 100%-owned Adelita Project in Sonora, Mexico. The company’s flagship asset is the Cerro Grande Cu-Ag-Au skarn discovery, which is hosted within a district-scale 5,895-hectare land package. The geological model centers on a high-grade, near-surface porphyry-skarn system featuring multiple stacked skarn horizons and underlying porphyry vectors.

Phase I drilling conducted in February 2026 identified three new skarn horizons. Phase II drilling, which commenced in June 2026, aims to expand the Cerro Grande discovery and test maiden targets at Cerro Potrero South and Las Trancas. Management includes CEO Enrico Gay and VP of Exploration João Rocha, with technical advisory support from Dr. Peter Megaw, co-founder of MAG Silver.