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Flat-Fault Gold
August 2001 by Edgar B. Heylmun, PhD
Gold and other valuable metals are often deposited in breccia and rubble formed by flat or gently-dipping faults. Such faults are commonly found in areas of crustal stretching caused by the movement of tectonic plates. Flat-faults are especially common in southeast California, southern Arizona, and northern Sonora, Mexico. However, they can be present anywhere that crustal stretching has occurred.Tribe Joins Idaho in Roadless Suit
The Kootenai Tribe has joined Idaho Attorney General AI Lance's suit against the U.S. Forest Service over the Clinton administration's bid to set aside millions of forested acres in the state.
Understanding Skim Bar Placers
Perhaps the most notable thing about skim placers is that they form on the top surface of gravel bars, as opposed to coarser gold placers where the weight of the gold particles allows the gold to settle down on or near bedrock.
Legislative and Regulatory Update
• Babbitt Wants Another 4 Million Acres
• County Ruled Unfair in Mineral Valuations
• Public Comment Period for Clean Water Action Plan
MMAC & PLP Update
May 2016PLP had been attempting to raise funds to hire a lobbyist. The excessive cost made it prohibitive, so Clark and Joe packed up their bags and headed off to make this trip themselves.
Ask The Experts
What type of sluice box for my trommel?
ECU Silver Mining Continues The Legacy
Mexico has a lengthy history of mining and one of the regions most associated with that activity is Durango State in the north-central part of the country.
Ask The Experts—Where Would The Most Gold Tend To Be In This Deposit?
Q: I live in SW Oregon, Gold Beach... I am getting small gold from this paleoplacer. Where would the most gold tend to be, in the sediment holding the pebbles together or in certain...rocks such as quartz breccia in the conglomerate?
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