History & Geology
Quartz: The Indicator of Gold
August 2022 by Chris Ralph
Quartz: The Indicator of Gold
Eastern Arizona: Gold and Base Metal Deposits Part II
In this review of precious and base metal deposits in Arizona, it is apparent that several significant mines and mineral deposits occur in eastern Arizona, and there is considerable potential for new discoveries.
Prospecting for Diamonds in Kimberlite

Simple Rules of Gold Geology: Comparing Epithermal and Mesothermal Deposits
Geology is a science of general tendencies with frequent exceptions, not one of hard and fast rules that are always true and never vary. For almost every well-accepted rule of gold deposits, I can point you to a number of important exceptions.
A Journey Into the Silver Peak Range
The Gold Rush in California called hundreds of thousands of souls to leave their homes to journey to the the far reaches of the West. At first the rich goldfields of the Sierra Nevada beckoned to these adventurous pioneers.
Prospecting for Diamonds
Let’s take a look at diamonds and diamond mining and see how they form, how they are used beyond just jewelry, and what leads geologists to find diamond deposits.
How Mesothermal/Orogenic Gold Deposits Form
These deposits are very widespread across the planet. In fact, they are so extensive that something around 75% of all the gold ever mined comes from these types of deposits (if one includes the placer deposits that also formed from them).
Gold Depositiion and Gradients of Placer Streams—Part II

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The Bawl Mill
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• Hunting for Big Gold in a Haunted Canyon
• PLP Update
• Blast from the Past—The Source of Gold Mines Cranks up for Business Men
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