Ask The Experts
March 2015 by Chris RalphQ: Is this gold or some other metal?
Natural gold is never 100% pure; all natural nuggets contain at least some impurities. We're going to take a look at just what some of those impurities might be.
The placer deposits of Utah occur in two distinct types of environments. These are 1) placers found adjacent to, and derived from, gold, silver and base-metal deposits; and 2) placers found in major rivers and derived from unknown, distant sources.
…it was immediately evident the previous owner had not been using a detector. During just a few months of working the dumps part-time, he recovered gold in quartz specimens valued in excess of $40,000.
In this review of precious and base metal deposits in Arizona, it is apparent that several significant mines and mineral deposits occur in eastern Arizona, and there is considerable potential for new discoveries.
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.
Most of the commercial mineral deposits are on the south and southwest part of the range between Minersville and Milford, though small amounts of gold and silver have also been found in iron-rich outcrops in the basalt to the south of Milford.
For more than 40 years, iron ore prices have been decided by private negotiations conducted between the largest of the iron miners and the largest steel producers. These two sides dominate both the spot and contract iron ore markets.
The Bawl Mill • Our Readers Say • Ask The Experts • Ask The Experts • Just Another Ordinary Weekend • Small-Scale Hard Rock Mining With Water Recycling • The Paragenesis of Gold & Silver Deposits • Getting A Successful Start in Metal Detecting for Gold • Placer Mining At Chititu Creek, Alaska • Gold Rush Continues in Africa • Gold Refining In The Ancient World • Tasers and Mining Don't Mix • Thinking Outside The Creek • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices