History & Geology
Ask The Experts
March 2015 by Chris Ralph
Q: Is this gold or some other metal?Can You Recognize Valuable Ores?
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.
All About Quartz—Part II
In our May 2013 issue, we took a look at the mineral quartz, a mineral very commonly associated with gold. However, gold is not the only reason prospectors are interested in quartz. Quartz can also be very valuable as a gemstone
A New Look at Old Mines
Exploration companies are actively looking for properties with profitable potential, even if the ground was once cast off as too low in grade to be economically viable. This is especially true in states that are reasonably friendly toward...
Eastern Arizona: Gold and Base Metal Deposits—Part I
Arizona is well-known for its copper-gold porphyries and massive base metal-gold sulfide deposits such that primary gold deposits in the state are often overshadowed.
All About Native Silver
Some of the wire forms are strange and fantastic, with wires sticking out in twisted, seemingly random directions. Others have deformed crystals and all of them have significant value to collectors.
The Silver, Gold and Gemstones of Candelaria, Nevada
The Candelaria area is of interest to prospectors not just for silver, gold and other metals, but also for the beautiful gemstones found there.
Critical Metals: Lithium
Prospecting for lithium deposits can take a number of different directions, because this metal can be extracted from a variety of geologically differnet sources.
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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
