Gondwana Gold and Diamonds
October 2002 by Edgar B. Heylmun, PhDSome 250 million years ago, the Earth had just one supercontinent, known as “Pangaea.” For whatever reason, the supercontinent began to break apart. South America and Africa remained joined, as “Gondwana,” until 65 million years ago, when they split apart. The obvious “fit” of South America with Africa was noted by geologists back in the 19th century, but it was not until Alfred Wegener came out with his “continental drift” hypothesis in 1912 that people took note.
• On a personal note...
• The numbers don't lie...much
• The blame game
More and more miners and prospectors are using personal computers and Global Positioning System Satellite receivers to satisfy the needs of vocations or hobbies.
When you approach a location, even if you've been there before, you should consider all the factors and conditions present at the site. This includes both natural and man-made factors.
The 760-mile-Iong Baja California peninsula, in Mexico, separates the Gulf of California (Sea of Cortez) from the Pacific Ocean. Most of the peninsula is a desert where the traveler can find some of the weirdest plants on Earth...
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.
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