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Melman on Gold & Silver
October 1999 by Leonard Melman
By the time you read this, the onrushing, unavoidable object which was once a little speck on the distant horizon will have grown into a modest-size attention-getter.Aerial Photos
Vertical aerial photographs, a form of remote sensing, are invaluable in the search for mineral deposits, and have been used for 60 years for that purpose.
The Tombstone Silver-Lead District, Arizona
In 1877, a prospector named Ed Schieffelin discovered silver in “the middle of nowhere” and staked two claims: “Tumbstone” and “Graveyard.” Soon a town and mining district were organized and acquired the name “Tombstone” after making a spelling correction.
California Water Board Tries to Restrict Dredging
She explained that she didn’t like the numbers that the computer model gave her for this section of river, so she “adjusted the numbers by hand” to more accurately reflect what she thought they should be.
The Smell of Gold -- Part II
While mapping, I also found rock chips in the soil that were characteristic of the same wall rock alteration that occurs adjacent to the known lodes in the greenstone belt.
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Recreational Dredging on the South Yuba River
Joe Williams needs six trips with his faithful wheelbarrow to haul his "back-pack" dredge and camping supplies down into the South Yuba River canyon at the start of each dredging season. The nearest spot to leave his vehicle lies about four miles and, during the hot summers, a canteen of water away. Still, he's been doing it for about fifteen seasons since the 1970s.
Surface Indications Of Quartz Adularia Epithermal Deposits
I am going to keep to the basics of surface indications and visual clues in the rocks and minerals themselves that help me find gold-bearing veins in this classification of deposits.
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