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Cedar Rim Opal—Discovery of a Giant Opal Field

In 2003, I initiated field reconnaissance of an opal deposit at Cedar Rim in central Wyoming and was amazed at the size of this undocumented deposit located right in the middle of an oil and gas field...

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Mineralized Calderas in Colorado


A caldera is a large circular volcanic depression caused by collapse due to the removal of molten magma from an underlying magma chamber. The removal of magma is due to explosive venting of lava and pyroclastic material.

Is It Time for a Change? New Ways to Find More Gold


The old report I read indicated all they ever did was dig some trenches and take samples. It sounded to me like a good place to take my metal detector...

Annual Claim Fees Due September 3, 2013


Because September 1 falls on a Sunday this year; and Monday, September 2, is a holiday, the BLM will accept yearly filings through September 3.

Breccia Pipes


A breccia pipe, or chimney, is an irregular cylindrical mass of breccia that is often silicified and stands out as an iron-stained knob. They can be from a few feet to several hundred feet in diameter, and may or may not be mineralized.

The Bawl Mill


• EPA backs down in Wyoming
• UN Chairman took on more than a mission

Legislative and Regulatory Update


• Changes to wetlands
• 43 CFR 3809
• Scaled-back version of CARA passes in the dead of night
• Sierra Nevada Framework

Mining Stock Quotes and Mineral & Metal Prices


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The Bawl Mill   • Dredging at Real Del Castillo, Baja   • Finding Paystreak Gold With A Metal Detector   • General Metals Continues Toward Production   • "I Got Dusted"   • The Trail of ‘98   • Newmont Steps Up For Laid Off Workers   • Benton’s Rich Silver   • Gold Trader, Employee Charged with Wife’s Killing   • Is There A Gold Shortage?   • Wyoming Governor Pushes for Uranium Study Release   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices   • California State Open and US National Gold Panning Championships

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