coal EarthCache
Hidden : 12/17/2008
Difficulty:
1.5 out of 5
Terrain:
1.5 out of 5

Size: Size: not chosen (not chosen)

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Geocache Description:

off of north 23 at cut in mtn. The coalseam and other seams of sandstone and slate can be seen at cache site. Coal is mined by Underground and strip mining in va. Its about 15 ft off asphalt.

Fifty-seven discrete coalbeds occur across the Southwest Virginia Coalfield.four principal commercial coalbeds are the Pocahontas No. 3, Jawbone, Splash Dam, and Dorchester. Other important Virginia commercial coalbeds are the Low Splint, Taggart, Imboden, Clintwood, Upper Banner, Lower Banner, Kennedy, Raven and Tiller ORIGIN OF COAL -------------------------------------------------------------------------------- Coal originated from ancient plants that flourished in swamp-like environments millions of years ago. In Virginia, coal was formed mainly during the Carboniferous period of the Earth's history, 280 to 360 million years ago. it has been estimated that 3-10' of compacted vegetal matter are necessary to form each foot of coal. Send pick with gps and coal seam. How thick is coalseam
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