History & Geology
ICMJ Visits Sumpter Oregon, Gold Mining Town
October 2023
© ICMJ's Prospecting and Mining Journal, CMJ Inc.
Additional articles that might interest you...
Prospecting for Surface Flood Gold Placers on Low and Intermediate Gradient Streams
February 2015
Sample panning is a very important method used to find the richest parts of a flood gold deposit before setting up equipment and running material.
Sample panning is a very important method used to find the richest parts of a flood gold deposit before setting up equipment and running material.Gold Deposition and Gradients of Placer Streams—Part I
June 2012
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...
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...
The Gold, Silver and Base Metal Mines of Eureka, Nevada
April 2015
...the area around Eureka, Nevada is well mineralized and seems to have a bright potential for future production of all sorts of metals.
...the area around Eureka, Nevada is well mineralized and seems to have a bright potential for future production of all sorts of metals.
Gold and Silver Deposits of Bodie, California
November 2019
Bodie, California, in its heyday, was once rumored to be one of the roughest and most lawless towns in the American West.
Placer Gold Deposits of New Mexico
February 2019
While a large number of locations have yielded some placer gold, most of the state’s placer production has come from a few productive districts.
Your Guide to Prospecting in Alaska
May 2013
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.
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.
The Tombstone Silver-Lead District, Arizona
April 2016
In 1877, a prospector named Ed Schieffelin discovered silver in “the middle of nowhere” and staked two claims: “Tumbstone” and “Graveyard.” Soon a town and mining district were organized and acquired the name “Tombstone” after making a spelling correction.
In 1877, a prospector named Ed Schieffelin discovered silver in “the middle of nowhere” and staked two claims: “Tumbstone” and “Graveyard.” Soon a town and mining district were organized and acquired the name “Tombstone” after making a spelling correction.
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Sampling Mission in Placer County's Last Chance Mining District
• Discovering Nugget Hollow
• Google Earth Pro for Prospectors and Miners
• Finding Gold - Fact vs Fiction
• A Hole In One
• Drilling Down - Looking With Drill Bit Eyes
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The Bawl Mill
• Legislation and Regulation
• PLP Update October 2023
