August 2001 by Edgar B. Heylmun, PhDGold and other valuable metals are often deposited in breccia and rubble formed by flat or gently-dipping faults. Such faults are commonly found in areas of crustal stretching caused by the movement of tectonic plates. Flat-faults are especially common in southeast California, southern Arizona, and northern Sonora, Mexico. However, they can be present anywhere that crustal stretching has occurred.
Gold and jade are actually only minor mineral resources for the Northwestern Alaska region as a whole. Modern prospecting has focused more on base metal than precious metal resources.
The bright green rocks jutting through the prairie soil were hard to miss, but Tom Charlton still couldn’t believe his eyes. It was kimberlite, the molten rock in which diamonds are found, and preliminary tests had yielded a microscopic diamond.
The Piedmont region of the eastern United States extends for over 800 miles, from Alabama northeast to Pennsylvania. It includes the rolling country between the flat coastal plain to the east and the Blue Ridge Mountains to the west.
The Treasure Hawk mine was operated by "Crazy Eddie" Bounsall from 1972 until 1988. He died in 1994, and I purchased the Treasure Hawk claims from his wife Betty in 1996.
While the election outcome is highly and hotly debated, yet another major portion of the world’s attention remains focused on developments with the COVID-19 pandemic itself...
One of the largest underground copper mines in the world officially closed mid-January, as demolition crews blasted its twin smelter stacks.
We chose this particular area because an old channel had run here at one point and had been heavily worked on top of a mountain hilltop. Erosion patterns cut deeply on each side, leaving the channel exposed. The erosion cut sharply, dropping into ravines far below.
The Bawl Mill • Our Readers Say • The Public Process—Getting Involved and Making a Difference • Pacific Northwest Miners Request Help • USFS Roadless Comments Reopened • Basic Drywashing Principles • Fields of Gold • Picks & Pans: All That Glitters Pans Out Well! • De Beers Undergoes Overhaul • Gold in Michigan • Update on the West Mojave Desert Planning Area • 2001 Inductees to the National Mining Hall of Fame • Company Notes • The Spanish Silver of Mowry • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices