Reno's 1872 Time Capsule Includes Gold Rush Lore

June 2019 by Associated Press

The Reno Masonic Lodge was built along the railroad tracks back when Ulysses S. Grant was president and shortly after the Comstock Lode of gold and silver was struck in Virginia City.

Prospecting for Pegmatites

July 2015

…in some cases pegmatites have produced individual mineral crystals that are enormous, attaining lengths of over 40 feet long, and many of the world’s largest mineral crystals are examples that were found within pegmatite deposits.

The Pearce Mineralized Area, Dragoon Mountains, Arizona—Part II

August 2013
There are many prospects within the known mineralized area and along the margins of the mineralized area that should be examined for gold and silver.

Glaciers and Placer Gold Deposits

November 2016
It also happens sometimes that glaciers will bury valuable placer deposits. This occurs when the glacier goes over the top of an existing placer deposit.

Prospecting for Diamonds in Kimberlite

January 2014
Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.

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...

Rock and Formations of the Mother Lode Gold Belt

October 2015
The faulting, folding and shearing that occurred in the Mother Lode belt has created zones of structurally weak rocks or contacts between different types of rock, which has been favorable for the deposition of gold bearing ores.

Picks & Pans: Gold Recovery in Placer Mining Operations

August 1999
Two of the major factors affecting the profitability of a placer mining enterprise are the relative efficiency of the mining equipment, and the rate and percentage of recovery obtained while conducting mining operations.

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