Company Notes

June 2000 by Staff

Mineralized Calderas in Colorado

May 2002
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.

All About Chalcopyrite

March 2017
…there are loads of different copper minerals, but a large number of them form first in the ground as chalcopyrite and then through the effects of weathering are changed into other minerals like malachite, cuprite and chrysocolla.

Natural Gold Alloys

March 2014
Natural gold is never 100% pure; all natural nuggets contain at least some impurities. We're going to take a look at just what some of those impurities might be.

Legislative and Regulatory Update

May 2002
• Occupancy rules discussed
• Comment period open for small-scale mining and dredging in Oregon

Mining Stock Quotes and Mineral & Metal Prices

May 2000

World Gold Council Launches New Gold Bullion Securities

January 2004
Thanks to the efforts of the World Gold Council (WGC), investors in the yellow metal now have an excellent new way in which to participate in gold’s price movements.

Miners Rescued After Two Weeks

June 2006
Two Australian miners who survived for two weeks in a kennel-size cage trapped 3,000 feet underground walked out of the Beaconsfield Gold Mine and punched the air, freed by rescue crews drilling round-the-clock by hand.

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