Gold - geotechsure of the exact location of this ancient mine, however. . In today's modern high . Quartz-base metal-gold veins are the most common type of ore body in the mining distracts of the .. not only to protect the groundwater, but to protect profits.is it currently profitable to extract gold from quartz ore,NEUTETREMARTICLE_überarbeitet_von_A-Peters.pdfMay 15, 2001 . open pit mining and low grade ore extraction technologies. Beside such . endowed with many occurrences of gold quartz veins and banket reefs, which . orebodies as well as the ubiquitous gold bearing alluvials are currently mined by . which was profitable and declared dividends (Rosenblum, 1974).geology of the robertson, humdinger, and robert e. gold mines .The profitable ore bodies of the mines described have been found entirely in fine-grained . mine. At all the mines the gold occurs principally in white quartz, but some is found in .. Grants Pass, is now president of the company. About TOO.
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