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Carbonatites
February 2005 by Edgar B. Heylmun, PhD
Carbonatites are rocks that formed from molten calcite or dolomite. The thought of calcite being molten lava is difficult to accept, but it was confirmed when it poured out of a vent in Tanzania in 1960.Our Readers Say
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Forest Service Boss Quits in Bull Trout Flap
The Forest Service supervisor in charge of national forests in Nevada abruptly announced her resignation November 8, citing an atmosphere of "hostility and distrust" toward federal employees in the state.
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• Sweep speed and sensitivity settings for a GPX-4500
Ancient River Channels of Trinity County
Trinity County is located in the far northwest corner of California and stirs up many different memories for those who have been there.
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