Aldebaran and Centauri Announce Significant Increase in Mineral Resources for the Rio Grande Gold-Copper Project in Salta, Argentina

2026-03-02 - 12:03

1) CIM (2014) definitions were followed for Mineral Resources. 2) Mineral Resources are reported within a preliminary open pit resource shell. 3) The quantity and grade of reported Inferred Mineral Resources in the updated MRE are uncertain in nature and there has been insufficient exploration to define these Inferred Mineral Resources as Indicated Mineral Resources. However, it is reasonably expected that the majority of Inferred Mineral Resources could be upgraded to Indicated Mineral Resources with continued exploration. 4) Mineral Resources are estimated at a net smelter return (NSR) cut-off grade of US$10.25/t for oxide. 5) US$15.00/t for Transition and US$9.50/t for sulphide. 6) Mineral Resources are estimated using a long-term gold price of US$3,000 per ounce, copper price of US$4.50 per pound and silver price of US$45 per ounce. 7) Bulk density is 2.41 t/m3 oxide, 2.50 t/m3 oxide, and 2.62 t/m3 sulphide. 8) Metallurgical recoveries vary from 83% to 90% for gold, 29% to 64% for copper, and 0% to 41% for silver. 9) Numbers may not add due to rounding. 10) The updated MRE for Rio Grande may be materially affected by environmental, permitting, legal, title, taxation, socio-political, marketing or other relevant issues. Read More