Mineralized Calderas in Colorado
May 2002 by Edgar B. Heylmun, PhDA 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.
So you think you have an ore deposit? The work has been long and hard, but there are a few drill holes, lots of samples and assays. The data is in a reliable computer and there may be a mine at the end of the tunnel. What is the likelihood of a profitable operation? Can you raise capital for development or exploration?
We’ve heard from miners in Arizona about federal agencies closing off historic roads that provide access for miners, and we need your input.
A "How-To" method for small group sniping and reclaiming old placer areas.
• We spend taxpayer money on this...
• ...but hold back on this.
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