Professional Equipment for Serious Detectorists!

Magazine

History & Geology

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.

Online access required. Please .

Add a Comment

Additional articles that might interest you...

Ganes Creek After The Flood


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.

Mineral Deposit Trends: Real and Imaginary


One of the most important things prospectors do is work to figure out where to go prospecting. Along with understanding the basic geology and putting yourself in a favorable area, one of the things a prospector might consider in finding a location to search is the existence of mining belts also known as mineral deposit trends.

Testing Ores for Free Gold


I get a number of questions from people about testing and treating hard rock ores. The simplest way, but also an expensive one, is to just have an assay test done by an independent assay firm. As an alternative...

Gold and Rare Earth Elements in New Mexico


We import nearly all of our REEs from China, so it’s critical that we find and continue to develop domestic resources of these elements.

Gold Deposition and Gradients of Placer Streams—Part I


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...

"Gold Rush: Alaska" in the Porcupine Mining District


Honestly, I don’t believe it is likely there would be a glory hole where they described one at the bottom of the waterfall because plunging water with enough energy to scour out a large hole in bedrock would have the scouring ability to grind up and...

Critical Minerals: Gold


A few quick calculations show that approximately 11 tons of gold are lost each year just in the manufacture of new cell phones.

Subscription Required:
The Bawl Mill   • Legislative and Regulatory Update   • Ask The Experts: Is an XRF gun useful for prospecting and mineral identification?   • Ask The Experts: Is this deposit worth working?   • Ask The Experts: Can a long range locator probe detect gold in quartz?   • Weathering, Erosion and Placers   • The PIGMI—a DIY Crevice Tool   • Diary of a Diamond Prospector   • The Ups and Downs of Nugget Hunting   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

Free:
MMAC Update

Advertisements

Garrett Electronics - trusted by real miners & prospectors!
Precious Metals Recovery plants and equipment
Fighting to keep public lands open to the public
Specializing in the processing of precious metal ores!
Watch prospecting shows on your computer right now
Free Online Sample Issue