Strategic Metals—Part I
November 2013 by Bill RichA bill was introduced and passed by the House of Representatives earlier this year that should make the exploration and opening of a mining operation faster and easier.
The periodic exploration efforts for nickel during periods of high prices have been sporadic and incomplete. There is a role for the prospector and geologist in searching laterites potentially rich in nickel and mafic igneous bodies that may be rich in nickel.
Most gold-bearing veins in this region are controlled by fractures associated with the Melones Fault, a late Cretaceous structure that is 108 to 127 million years old.
It was the middle of winter and the valley was covered in snow, making prospecting a matter of sinking shafts in the ground.
Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.
Gold on the bedrock is a good rule of thumb, but not one that is 100 percent effective. There are plenty of exceptions. So, how does a prospector recognize those exceptions?
There are several common ways that new mineral crystals form and grow. Perhaps the simplest is when minerals form through the cooling of molten rock and the atoms bond together into mineral crystals.
From time to time I’ve been doing a series on critical metals and how important they are to our complex and technological society. This month we are going to take a look at copper, and how important that metal is to our modern lives.
The Bawl Mill • Ask the Experts • One Potato, Two Potato... • Proper Placer Sample Processing • Dry Washing to Capture Fine Gold • Are There Any Good Prospects Left? • Ophir—Possibly the Best Kept Secret in Alaska! • Southern Oregon's Illinois River—A Lesson in Sharing • Using Sucker Guns to Find Gold • Making Adjustments to Catch Fine Gold • The Subsurface Suction Dredge • A Few Thoughts About Successful Nugget Hunting • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices