The Super Pit is the largest open-pit gold mine in Australia. A canyon-size hole populated by house-size trucks, it's large enough to be seen from orbit. Here's what it looks like up close.
So, you want to search for gold ore. How do you identify good gold prospects? If your strategy involves crushing any and every rock you come across, you'll be crushing for the rest of your life and won't find a flake. Here are some simple field tests you can perform to help you narrow your search.
Photographic negative, miners outside a New England gold mine, glass / gelatin emulsion, published by Kerry and Co, Sydney, New South Wales, Australia, 1885-1900
It is believed that the Spaniards discovered gold in Wyoming as recently as 200 years ago. The first discovery that we have record of today was along the Sweetwater River, where placers were found sometime during 1842. This area would later become the Atlantic City-South Pass District. It is theorized that trappers had taken the …