Basic Geology for the Independent Miner—Part III Understanding Plate Tectonics, Volcanism and Mountain Building
March 2006 by Chris RalphThe formation of gold, silver and many other types of deposits depends on a natural segregation of the elements from the earth, so that gold or silver (and other minerals) becomes enriched enough to form a valuable ore.
…what I’d like to focus on in this update is the assistance they provided to a suction gold dredger in Idaho being harassed by an environmental group.
The Great Basin, first named by Capt. John Fremont in 1843, consists of a vast region of internal drainage, occupying most of Nevada and western Utah, and parts of California, Oregon, and Idaho.
The higher the sensitivity setting, the louder and sharper the signal from a gold nugget or other metal target.
An article entitled “BLM Swindles War Hero Out of Gold Mine,” authored by Robert Boatman, appeared in our September 2002 issue. The Bureau of Land Management (BLM) was unable to provide comment on the article at the time.
“We feel that we can clean up an area that has been abandoned after 100 years of mining,” Lyon said.
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.
The Bawl Mill • A Word from the Editor • The Fortymile Goldfields • The Rocks that Burn—Part II Is Oil Shale the Answer? • Record Interest at Recent Mining Conventions • Common Operations—Small-Scale Mining and Sharing the "Take" • Trout Thriving In Treated Mine Water • Company Notes • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices