The Notch Peak Intrusive
October 2005 by Alan J. ChenworthLocated about thirty miles west of Delta, Utah, just to the north of Highway 6-50, is a tall rocky crag with an apparent notch missing from the peak. This is Notch Peak.
A pediment is a broad, gently sloping erosion surface or plain of low relief that is often found in arid and semi-arid regions at the base of a receding mountain front. The example shown is from the Palo Verde Ranch 15-minute topographic quadrangle, southwest of Tucson, Arizona. This is one of the best examples the writer has ever seen.
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“When he stepped into the clearing he didn’t snarl and stand up and show me how big he was. He just came for me,” Miller said.
There are a number of veins in the disseminated mineralization, but the principle ones on Round Mountain are known as the Los Gazabo and the Keane.
It was early in the 2008 season on the Mokelumne River near Pine Grove, California. Considering the potential for high water through the month of June, my wife Fran and I set our sights on investigating some of the pot holes in...
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A local mining company had been mining in the Circle mining district area creeks in interior Alaska for sixteen years. Using bulldozers, drag-lines, water pumps, and large sluicing plants, the owner-operator was very familiar with the geology...
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