History & Geology
Gold Circle (Midas) Gold District
May 2021 by Alex Dolbeare
Many prospectors thought that Nevada was all prospected out following all the rich discoveries of the 1860s and 1870s, and what was there to be found had already been found.
Iron Ores and Iron Mining
For more than 40 years, iron ore prices have been decided by private negotiations conducted between the largest of the iron miners and the largest steel producers. These two sides dominate both the spot and contract iron ore markets.
Understanding Rock Formations: Petrology for Prospectors
There are times when being able to recognize a type of rock can make you a much more successful prospector.
Associated Gold Placers of the Comstock
What many people don’t realize is that the Comstock Lode produced over 8,000,000 ounces of gold…
The Preacher of Sheeps**t Flats
It seemed that the preacher always gave the same answer to anyone who asked where his gold had come from. His answer was, “If you know your gold, you can find it. However, you will have to find it the hard way, the way I found it.”
The Seven Troughs Mining District
The favorable geology of the northeastern and central parts of the Seven Troughs Range are the parts most interesting to prospectors. They are underlain by a thick sequence of Tertiary volcanic rocks, mostly rhyolites and andesites.
Calcite and Limestone
The other distinguishing feature of calcite has to do with its chemistry. Geologists sometimes take a small bottle of dilute hydrochloric acid out into the field with them because calcite reacts with acids to make a bubbly foam.
The Silver Islet Mountains of Utah
I set up my dry washer on the north side of the cut and sampled the bed rock and dumps around me. As I was only sampling, I ran for 20-30 minutes, shoveling from a variety of areas.
Subscription Required:
The Bawl Mill
• Ask The Experts - What is oxide gold?
• Ask The Experts - Can you recommend settings for a Gold Bug 2 in Vermont?
• Ask The Experts - Where can I market my gold property?
• Ask The Experts - Is there a detector for locating fine gold?
• Pinpointing for Gold
• Commercial Blaster Training
• How Rich Must My Ore Be?
• Gold Prospecting for Better or Worse: All Shook Up
• The ABCs of XRF
• How to Find Prospects That Others Missed
• Gold 1822 Half Eagle Fetches Record at Auction
• Utah Tellurium Mine Creates New US Supply of Key Mineral
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
