Gangue Minerals - What Do They Tell Us?
January 2017 by Chris RalphThere are a large number of different kinds of gangue minerals, and each of them has its own tale to contribute to the story of the chemistry and geology of a deposit.
When placer miners from the gold rush era began experimenting with the slope of their sluices, they must have pondered the ideal slope for trapping gold in a creek bed too. Logic suggests the same is true for streams...
Q: Are there any mills that handle VMS ore?
Doug told me that there had been a 100-year flood that took place in October of 2013 and it washed out part of the mile-long landing strip. It also washed a large, wide gully down below and above the camp.
If you have been prospecting for any length of time, then you have probably heard something like, “All the gold ever mined would equal a cube 60 feet on each side.”
I’ve been fascinated by iron minerals for many years. So let’s take a look at this very interesting and colorful element.
Chances are better that both types of gold did not come from the same source. Let's look at the probable conditions to cause two types of gold in a placer.
On our last trip, we brought ropes and went down the first waterfall forty vertical feet, only to be confronted by a second, sixty-foot-high, overhanging waterfall that emptied into a slot canyon.
The Bawl Mill • Ask The Experts: Could you expand on your previous blasting article? • Ask The Experts: Equipment to break up heavy clay • Ask The Experts: “Energy” coming from black sand? • Ask The Experts: Assay problem or recovery problem? • Legislative and Regulatory Update • Detecting Strategies for Heavily Forested Areas—Part II • The Winning Hand • Early Winter Detecting in the Sierras • Mining Districts in Montana Get Organized • Feds Deny Lease Renewals for Minnesota Mine • Obama Administration Moves to Block Mining Near Yellowstone • The Perfect Response • MMAC Update • Mining Stock Quotes and Mineral & Metal Prices • Melman on Gold & Silver
That First Nugget