Epithermal Gold and Silver Deposits
Epithermal deposits form in the ground at shallow depths. They are popular with prospectors because can yield very rich deposits and they are widespread in the Western US.
Melman on Gold & Silver
A matter of some serious concern has developed in the relationship between the prices for gold and silver and the performance of mining share averages.
Ask The Experts: Is an XRF gun useful for prospecting and mineral identification?
Q: I’ve thought about renting an XRF gun with gold specific software to use for exploration this spring.
Ask The Experts: Is this deposit worth working?
Q: Can you tell me if this deposit is worth working? It is a quartz vein and I had it analyzed for gold, copper, rare earths and other metals.
Ask The Experts: Can a long range locator probe detect gold in quartz?
Q: I was wondering how such a device could locate a rich gold vein in quartz, for example, since a metal like gold is non-magnetic.
Legislative and Regulatory Update
• Bills introduced to stop federal management of greater sage grouse
• WOTUS under review
• Congressional Review Act
The Bawl Mill
• Protesters trash the place
• IRS can't keep a secret
• Make way for minimum wage
The Bawl Mill
• Take a seat
• Hold everything!
• Flying under the radar
• Last minute spending spree
Legislative and Regulatory Update
• Conformation for some
• Congress canceling regulations
Ask The Experts: Can you review the differences in dry washers?
Q: What are the advantages or disadvantages of hand crank vs. battery power vs. blower? And your preference?
Ask The Experts: Will this detector work for me?
Q: I live near the Gold Basin area of Arizona. What detector will go deep and be easier to use for small gold? I need some help.
Ask The Experts: Nickel assays
Q: Our group has found a nickel deposit in the Yuma, Arizona area that is similar to the one that you wrote about...
Ask The Experts: Potential for developing magnesite deposit
Q: What I would like to know is how to confirm if it is magnesite and the quality.
Our Readers Say
Selectable Frequency vs Multi Frequency Detectors
I like to think in terms of “conductive mass” because it is a combination of both the conductivity of the metal and the size of the target that determine how a detector sees conductivity.
All About Chalcopyrite
…there are loads of different copper minerals, but a large number of them form first in the ground as chalcopyrite and then through the effects of weathering are changed into other minerals like malachite, cuprite and chrysocolla.
Detecting Alluvial Bench Deposits -- Pt II
Walking around the gulch and exploring the upper drainage, picking up different rocks and inspecting them with a good loop, and looking them up in a field guide of rocks and minerals of your region will help you understand how the gold got there.
The Goldfield Mining District -- Then and Now
In 1983, some of the ore yielded more than 2,500 ounces of gold within 30 feet of the surface. The shoot pinched to a narrow vein.
MMAC Update
This will provide the opportunity to meet with many of the members of Congress in a more informal setting at several meetings, luncheons and dinners. And we have been offered the chance to meet with President Trump’s staff.
