4 granted mining leases covering 35km2 that were last ... upgrade to pre-BFS on open pit-underground mine (2) test porphyry ... Sulphide mineralisation extends beyond the historically identified silver vein, implying ...
Rich Kyle, a geology professor at the University of Texas who has explored the mine, said the Shafter project is a major step for a state that hasn't had significant metal production for decades. "There are a lot of silver ...
Rich Kyle, a geology professor at the University of Texas who has explored the mine, said the Shafter project is a major step for a state that hasn't had significant metal production for decades. "There are a lot of silver ...
SILVER MINING. The discovery of silver in Texas is credited to the Franciscan friars who discovered and ... Plata Verde Mine, and Bird Mine. No production of silver in Texas was reported by the United States Bureau of ...
The Texas General Land Office issues prospect permits and leases on state lands to mine other minerals, such as caliche, sand, gravel, limestone, coal, and sulphur. Hard minerals underneath state lands and mineral classified ...
SILVER MINING. The discovery of silver in Texas is credited to the Franciscan friars who discovered and ... Plata Verde Mine, and Bird Mine. No production of silver in Texas was reported by the United States Bureau of ...