April 2005 by Edgar B. Heylmun, PhDA 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.
• More “bull” from Fish & Wildlife
• Global Warming is cooling off
• Real or fool's gold?
The method is based on the fact that gold is much denser than quartz, and the more gold that is present in a specimen, the higher the density of the piece will be as a whole.
I would first like to mention that I am not a geologist. I have, however, spent the last 8 years intently searching for gold nuggets with a metal detector. I have found gold in numerous locations, and in several different types of gold deposits.
From a prospector's standpoint, the metal detector may be one of the most significant breakthroughs of the twentieth century. It is believed that the first metal detector was discovered accidentally in 1925 when a radio engineer...
Which comes first, claim filing or staking?
Out of the frying pan and into the fridge! I just returned from the trip of a lifetime—Ganes Creek, Alaska. It all started back in November of last year when Steve Herschbach announced the Clark/Weize Mining Company was going to offer up...
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