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Synclinal Oil

Most oilfields are found in anticlinal faults, or stratigraphic traps. Oil floats on water, so that it will rise to the highest point possible, above the water. If the porous or fractured sandstone or limestone that contains the oil is overlain by impervious shale, the oil can no longer rise. If the porous bed is arched upward...

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Mining Expedition at Eagle Rock—Part I


Dredging near Eagle Rock on the North Fork of the Salmon River, California.We spent the winter and spring months obtaining all of the prospecting and camping gear that would be needed to sustain the five of us for 14 days on the river.

Mining Stock Quotes and Mineral & Metal Prices


Mining Investment—Or Fraud?


The rapid fall of the stock market created a situation in which investors not only pulled back from traditional equities, assuming dot coms are traditional investments, but many recent arrivals in the world’s...

From Spanish Mine to Modern-Day Exploration: The Historic Gold-Silver Camp of Palmarejo


Palmarejo Silver & Gold Corp., based in Longueuil, Quebec, is a gold-silver exploration company reexploring a former Spanish silver district in far southwestern Chihuahua.

A Gold Detector Sitting in a Closet Only Finds Dust—More Detector Tips


The diverse minerals, salts, and moisture, plus any halo effect, and old-timer trash, especially decomposing iron artifacts, are often found in any dry placer gold field and can really mask the “penetration powers” of a detector.

Michigan Proposal Would Restrict Mining Operations


A group called Michigan Save Our Water Committee is seeking a Michigan ballot measure that would prohibit some types of mining and restrict others.

Detectors Versus Pans


Mike scored the best with a total of one-half ounce of gold nuggets. Tom, Brian and Greg each had pieces in the one and a half pennyweight range. The rest of us had small gold and nothing like these three.

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