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Looking Back

Excerpts from California Mining Journal, our original title, published 50 years ago this month.

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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...

Legislative and Regulatory Update


• Nevada proposal to cap tax deductions for mining businesses stalls
• NEPA gets a much needed update
• Army Corps to release review of Pebble Mine

Our Readers Say


• Re: Jim Straight
• Re: The price of mercury

Teenager Finds Large Nugget


Fourteen-year-old Jacob Hopkins and his father Mike headed out like they do most weekends, to do a little fishing and hunt for gold.

Significant Oil and Gas on Alaska's Central North Slope


A US Geological Survey (USGS) assessment of undiscovered oil and gas resources of the central part of the Alaska North Slope and the adjacent state offshore area finds that there is a significant amount of oil and a large amount of gas that remains to be discovered.

Placer PGMs in Coon Creek, California


Lower Coon Mountain is located in the Klamath Mountains, some 10 to 15 miles east of Crescent City (pop. 4,400), which rises to an elevation of 2,841 feet. It is heavily forested except for a few areas that are underlain by serpentine. The mountain, which trends northeast, is bounded on the north by Craigs Creek, and on the south by Coon Creek.

Hard Rock Milling: A Matter of Scale


Most prospectors understand placer mining a lot better than hard rock mining and don’t realize the amount of work that goes into processing different types of hard rock ore.

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The Bawl Mill   • Our Readers Say   • Siskiyou National Forest Update   • Company Looks at Restarting Sunshine Mine   • Piedmont Gold   • Gold & The Dollar   • Picks & Pans: Exploring Wyoming's High Desert   • Sons of Gwalia & Herbert Hoover   • Prospecting on the Yukon River   • Placer Gold in Arizona   • The Fire Assay of Fly Eyes   • Bill Could Create New Silver Market   • 2002 Inductees to the National Mining Hall of Fame   • Mining Stock Quotes and Mineral & Metal Prices   • Melman on Gold & Silver   • Mystery of Olmec Jade Solved

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Legislative and Regulatory Update

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