Critical Minerals: Gold
August 2011 by Chris RalphA few quick calculations show that approximately 11 tons of gold are lost each year just in the manufacture of new cell phones.
When prospecting for lithium, after confirming for macro attributes through research and field work, including examination of surface geology, the main tool is an accurate lithium assay.
The majority of the gold produced in Goldfield has come from ores that are close enough to the surface to be oxidized by the air. This oxidized ore is normally a soft, shattered, earthy material usually stained yellow to brown by oxides of iron.
These were the men who periodically picked up the gold amalgam from the tables and sluices in the dredge, processed it, and transported the gold ingots to the railroad express office in Alder. Their trustworthiness must have commanded a prominent wage.
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 hair stood up on the back of my neck when I saw this, especially the nice patches of wash in the bottoms of the gullies, a sure sign of an auriferous source being nearby.
Trinity County is located in the far northwest corner of California and stirs up many different memories for those who have been there.
The process of recognizing ores all starts with being able to recognize some basic minerals and knowing what hard rock ore looks like in the districts where you prospect.
The Bawl Mill • Our Readers Say • Legislative and Regulatory Update • Ask The Experts—Studies with summaries and conclusions please... • Ask The Experts—What's the cheapest way to mine quartz for gold? • Which Specific Gravity Test Works Best? • Jury: Gov't Rightfully Seized 1933 Gold Coins • So Where's The Gold? • Wyoming's Billion Dollar Nugget—The Trilogy Ends • When Legends Were Made and Fortunes Found • Exploring and Mining for Uranium • Melman on Gold & Silver • Mining Stock Quotes & Mineral and Metal Prices