Alluvial Paystreaks

November 2018 by Matteo Oberto

The gravels in contact with the bedrock or false bedrock base are often the richest. The same facts apply to the alluvial paystreaks that are formed on gravel bars; the lowest level of the gold-bearing gravel is normally the richest.

PGMs in the United States

August 1999
Until just recently, platinum-group metals (PGMs), especially palladium, had been holding their own on the market. But, Russia has now resumed shipments and it has brought prices down.

Placer Gold Deposits in the Western States

March 2021

…to see the huge differences between the gold production amounts of the Western States, let’s look at the gold production—both hard rock and placer—of these 13 states up to the present.

Prospecting for Nickel Deposits

November 2010
The periodic exploration efforts for nickel during periods of high prices have been sporadic and incomplete. There is a role for the prospector and geologist in searching laterites potentially rich in nickel and mafic igneous bodies that may be rich in nickel.

Gangue Minerals - What Do They Tell Us?

January 2017
There are a large number of different kinds of gangue minerals, and each of them has its own tale to contribute to the story of the chemistry and geology of a deposit.

Gold, Quartz & Chalcedony—Part I

October 2011
Gold has always been noted to have an affinity for quartz to such a degree prospectors almost always dig on quartz veins in a search for the precious metal.

The Downieville Gold District

January 2011
Many locals are just waiting for California to allow dredging once more, especially with the current gold prices. There are still plenty of good opportunities for prospectors in this area, just as it has been for so many years.

ICMJ Visits Downieville, California

January 2023

Subscription Required:
The Bawl Mill   • Ask The Experts - Skim Bar Placers article clarification   • Ask The Experts - Is LR2000 working correctly?   • Ask The Experts - What claim papers am I required to file at the county level?   • Fall Drywashing—Just the Right Time of Year   • Humble Beginnings   • Understanding Large Gold Deposit Types: Discovering New Mines   • Roads to Nowhere   • Treasure Hunters Challenge FBI Over Dig for Civil War Gold   • Out of the Ashes—New Access to Gold   • Arizona Prospector Rescued from Mine Shaft   • California State and US National Gold Panning Championships   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

Free:
Legislative and Regulatory Update   • Gold Prospecting for Better or Worse: Doomed from the Start   • PLP Update