Germany Developing Gold Vending Machine
July 2009 by Associated PressIt’s a novel twist on the vending machine: in go the coins, out comes a nugget of gold.
The placer mineral identification key is designed to answer this question. It attempts to recognize all the minerals in your gold pan concentrates.
How to find gold with a metal detector: The technology certainly has improved quite a bit over the years, so when these owners are testing various types of gold on their machines and they find that some gold responds poorly or not at all...
For obvious reasons southern California is not known historically for its gold mines. Gold production was concentrated heavily in the Sierra Nevada foothills in the northern part of the state. However, the high mountainous region of eastern San Diego County was the site of a number of productive hardrock gold mines, notably in the late 19th century.
A 1933 Double Eagle gold coin that never went into circulation—but triggered decades of intrigue—is being sold by the federal government at auction this summer. Experts predict it could sell for millions.
Q: Set up a small portable operation or send the ore to a custom mill?
Q: Can a voltmeter be used to determine the type of metal/mineral present in soil?
The Bawl Mill • The Suction Gold Dredging Fight Continues in California • Gold in the South Pass Greenstone Belt, Wyoming • Chinese Buy Out Australian Miners • Using a Winch to Work Smarter, Not Harder • The Forgotten Specimen—Part II • How to Complete Assessment Work and Claim Maintenance • More Tennessee Gold • Mining Stock Quotes and Mineral & Metal Prices