The Paragenesis of Gold & Silver Deposits
March 2015 by Chris Ralph…if you are game for digging in and learning more about the intricate details of how gold deposits form, then let’s jump right in.
The placer deposits of Utah occur in two distinct types of environments. These are 1) placers found adjacent to, and derived from, gold, silver and base-metal deposits; and 2) placers found in major rivers and derived from unknown, distant sources.
The historical AJ mine, located east of Juneau, Alaska, was considered the largest gold mine in the state at one time. Joe Juneau and Richard Harris struck gold there in 1880, and it has been more recently known as a tourist destination.
Alaska is getting a lot of interest these days, not least because of all the gold prospecting shows on television. Hardly a month seems to pass without some new prospecting show being announced, and a couple of the most popular feature Alaska.
This was one of those stories where you have no doubt that the person telling it believes it to be true. But was it?
In some places, semi-continuous sections of riverbed can easily be linked in many places to identify the path of the ancient rivers.
Historically, Montana has been an important gold producer, in terms of both lodes and placers, and it still produces gold for the prospector today.
The Bawl Mill • Our Readers Say • Ask The Experts • Ask The Experts • Ask The Experts • Just Another Ordinary Weekend • Small-Scale Hard Rock Mining With Water Recycling • Getting A Successful Start in Metal Detecting for Gold • Placer Mining At Chititu Creek, Alaska • Gold Rush Continues in Africa • Gold Refining In The Ancient World • Tasers and Mining Don't Mix • Thinking Outside The Creek • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices