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Estimating Gold Values in Placer Gravels
May 2005 by Staff
The single most important question to be answered when evaluating a placer deposit is: “How much is it worth?” Accurate sampling of placer gravels is essential to obtain a reasonable estimate of the total gold values contained in the deposit.
El Paso Mountains Mining History
The El Paso Mountains of California are located in the extreme northwestern portion of the Mojave Desert, between Highways 14 and 395, about twenty miles southwest of China Lake. The area is rich in mining history, not far from the great Randsburg district gold mines that are still producing today.
Melman on Gold & Silver
Just as we were sitting down to write this column, a political bombshell was released when Rick Santorum announced he was terminating his efforts to win the Republican Presidential nomination, virtually assuring the nomination will be to Mitt Romney. The remaining candidates, Ron Paul and Newt Gingrich appear to have no realistic chances.
Tracing Gold To Its Source
In this article I am going to talk about the different sources of gold and the clues a prospector can follow to find the source.
Historic Mining at Mount Diablo, CA
Located in Contra Costa County in the East Bay region of the San Francisco Bay Area, Mount Diablo was the site of the largest coal mining operation in the state in the last half of the nineteenth century. The northern foothills of the mountain produced nearly four million tons of coal.
State Rivers Closed to Prospecting in Washington
The Washington Department of Natural Resources appeared at a recent dredge rally near Oroville to announce the closure of all state-owned aquatic lands to prospecting.
The Tonopah Gold and Silver District
The discovery of the Tonopah District by Jim Butler in May, 1900, was by far the most important event of its time, just as the discovery of the Comstock was the most important event in the Nevada’s earlier history.
Preserving the True History of the Ivanhoe
My partner had the contacts and it wasn’t long before we had an agreement in place and the company had a geologist on site. I recall a time when he was getting the lay of the land, so to speak, and he broke off a rock sample and inspected it with his magnifier.
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