california As a general rule you want to confine your beach placer prospecting and mining in the once Golden State from San Francisco northward. If you head south from the Golden Gate the only gold you're gonna find will be in the form of "goodies" like gold rings, bracelets, necklaces, coins, etc.
Considerable platinum has been found in this mining district, and some nice nugget are found. There is a fun treasure story associated with the platinum discoveries in B.C. There is a treasure tale of a fellow by the name of Swede Johansson that found a rich pocket of platinum in the Tulameen district.
PLATINUM MINING # 25 is a closed mining claim in El Dorado, California. It is a placer claim. Placer claims encompass any mining claim that is not a lode claim. These are commonly bedded or layered deposits. The maximum size of a placer claim is 20 acres per locator—with a maximum of 160 acres.
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While California and Alaska each produce platinum nuggets, there are a number of worldwide locations for placer platinum. The Ural Mountains in Russia have actually produced far more platinum than any other location. This unusual looking nugget is made of platinum and comes from the Ural mountains in Siberian Russia. At 9 ounces, its pretty good sized.
A GOLD-PLATINUM-PALLADIUM LODE IN SOUTHERN NEVADA. By ADOLPH KNOPF. INTRODUCTION. The discovery of platinum-bearing gold ore at the Boss mine, in southern Nevada, was brought to the attention of the Geological Survey by Mr. F. A. Hale, jr., in September, 1914. Some samples of the ore were submitted at the same time. These were assayed and found to be extraordinarily rich in gold, platinum…
One of the noteworthy areas in Southern California is the Dale mining district located near 29 Palms. It is a very productive area to find gold. Extreme temperatures limit prospecting in the summer, but in the winter many prospectors explore the hills in search of gold. With limited water, it is
Platinum and other pgm’s are found in the ‘J-M reef’ located in the Boulder mines. Latest reports state that 3/4 of the pgm’s extracted from this site are in fact Palladium with the remainder being mainly Platinum. The Stillwater Mining Company (SMC) started mining there in 1987.
Platinum also is found in the placer deposits of Trinity Co., California. Another U.S. locality is Cape Blanco, Curry Co., Oregon. Another U.S. locality is Cape Blanco, Curry Co., Oregon. The only active Platinum mine in Canada is the Lac des Iles Mine, near Thunder Bay, …
Platinum mining, however, differs from gold mining in different ways. Platinum reefs are igneous rocks. They were invaded into the upheld area as molten volcanic magma rising from below the earth's crust, later cooling and solidifying. This phenomenon created a layer control environment differing from that of gold mines.
Copper mining in the United States has been a major industry since the rise of the northern Michigan copper district in the 1840s. In 2017 the United States produced 1.27 million metric tonnes of copper, worth $8 billion, making it the world's fourth largest copper producer, after Chile, China, and Peru.