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Mineralized Calderas in Colorado
May 2002 by Edgar B. Heylmun, PhD
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.
Melman on Gold & Silver
It’s amazing how a few pictures could place an entire Presidential Administration on the defensive, yet that is exactly what has happened during the past month with the publication of the photos out of Iraq, which presumably show American soldiers engaging in acts of torture, humiliation and ridicule inflicted on their Iraqi prisoners.
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