Small-Scale Hard Rock Mining With Water Recycling
March 2015 by Bruce MannOnce I have established the presence of gold in the sample, I collect five-gallon bucket quantities of the rock material for processing back at my shop.
Any good books on mineralized faults and contacts?
Because quartz and gold may be deposited together across a considerable range of temperatures, not all quartz veins are the same, and there are several different types of gold-quartz deposits.
“The evidence is clear—mineral deposits alone are not enough to attract precious commodity investment dollars...”
In some places, semi-continuous sections of riverbed can easily be linked in many places to identify the path of the ancient rivers.
All 28 groups listed agree that Section 402 of the Clean Water Act does not apply and no dredge miner should be asking a state or federal agency for such a permit.
Most gold-bearing veins in this region are controlled by fractures associated with the Melones Fault, a late Cretaceous structure that is 108 to 127 million years old.
The Bawl Mill • Our Readers Say • Ask The Experts • Ask The Experts • Ask The Experts • Just Another Ordinary Weekend • The Paragenesis of Gold & Silver Deposits • Getting A Successful Start in Metal Detecting for Gold • Placer Mining At Chititu Creek, Alaska • Gold Rush Continues in Africa • Gold Refining In The Ancient World • Tasers and Mining Don't Mix • Thinking Outside The Creek • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices