Simple Rules of Gold Geology: Comparing Epithermal and Mesothermal Deposits

July 2017 by Chris Ralph

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.

Mineralized Faults and Contacts in the Search for Gold

January 2016

Fault zones and rock contacts are important because the vast majority of gold and silver deposits, as well as those of many other metals, are formed by hot, mineralized water solutions.

Refractory Gold Processing

February 2013
After your excitement peaks when you first receive the high gold assay from the vein you just exposed, you ponder how you will extract and sell your gold. You will need to develop a flow sheet for your process to optimize your recovery and minimize your costs and permit requirements.

Gold Depositiion and Gradients of Placer Streams—Part II

July 2012
The steeper the gradient is, the more potential erosive power to move gold and other bedload sediments, and the more power to remove obstacles to flow.

All About Native Silver

February 2020

Some of the wire forms are strange and fantastic, with wires sticking out in twisted, seemingly random directions. Others have deformed crystals and all of them have significant value to collectors.

The Significance of Nuggets in Placers

January 2016
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.

A Journey Into the Silver Peak Range

June 2013
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.

The Batteries Metal Rush

August 2018

There is a major change coming in the economy of the world and now is the time for prospectors and miners to grab a ticket and get on board.

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