History & Geology
Ask The Experts
March 2015 by Chris Ralph
Q: Is this gold or some other metal?Flood Plain Gold Deposits—What Are They Really?
We just completed a trip to another river, and yes, there was definite movement and redistribution of gravels, and other prospectors have seen this as well.
The Significance of Nuggets in Placers
Chances are better that both types of gold did not come from the same source. Let's look at the probable conditions to cause two types of gold in a placer.
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.
Mineral Deposit Trends: Real and Imaginary
One of the most important things prospectors do is work to figure out where to go prospecting. Along with understanding the basic geology and putting yourself in a favorable area, one of the things a prospector might consider in finding a location to search is the existence of mining belts also known as mineral deposit trends.
The Struggle to Reopen Alaska's Largest Gold Mine
The historical AJ mine, located east of Juneau, Alaska, was considered the largest gold mine in the state at one time. Joe Juneau and Richard Harris struck gold there in 1880, and it has been more recently known as a tourist destination.
Prospecting for Diamonds
Let’s take a look at diamonds and diamond mining and see how they form, how they are used beyond just jewelry, and what leads geologists to find diamond deposits.
Critical Minerals: Titanium—Part II
There are both hard rock and beach sand types of titanium deposits, but the hard rock deposits need to be at least 10 percent titanium while the beach sands often are economic with only two or three percent titanium.
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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
