The Bombarded 38' Parallel
August 2002 by Edgar B. Heylmun, PhDA 1,200-mile long east-west zone, containing unusual geologic features, has been recognized in the eastern half of the United States for over 100 years. It coincides, in a general way, with the 38° parallel. There are as many opinions on the origin of the features as there are geologists. Most of the features are circular or oval in form, and some are concealed by younger rocks. They are found in 8 states, from Kansas east to Virginia.
I studied prominent terrain features and debris fields, located and followed high water lines and marked the newest flood lines left behind by the intense April storms.
Their Prairie Creek project, located in the Mackenzie Mountains of the Northwest Territories of Canada, has a history dating back nearly eighty years when silver and zinc were first discovered there, and includes the involvement of...
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.
Is there a reasonable and cost effective way to separate out the values?
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Fatal injuries at mines in the United States declined last year to a historic new low, according to preliminary data released January 3, 2002, by the Mine Safety and Health Administration (MSHA).
The Bawl Mill • Washington Department of Fish & Wildlife Raises Harassment of Miners to a New Level • Oregon Miners File Suit Against Fisheries Service • BLM Land Swap Deal Raises Eyebrows • Gold in Nevada • The Greenhorn • Striking Gold • Picks & Pans: The Trophy Hunt • Corner Country Gold • Something to Consider When You Go Dredging • Western Mining Artifact Collectors Show • Rattlesnakes • The Gold Hill and Iowa Mine 1895-1938 • Looking Back • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices