The Geology of Virginia

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Coal Strata in the Appalachian Plateau

August 14, 2016 by Chuck Bailey ·
Layers of sandstone, shale, and coal in the Appalachian Plateau, Wise County.
Filed Under: featured image · Tagged: Appalachian Plateau, coal, Wise County, Wise Formation

Featured Image

Photomicrograph of fault breccia in the Antietam Formation, Blue Ridge province. Breccias form when rocks are extensively fractured in fault zones and are cemented together when minerals precipitate in the cracks and fractures. Note the angular fragments (fr) of quartz sandstone in a matrix of fine-grained iron oxide cement (ic). Field of View 4 x 2.7 mm, Cross Polarized Light.

Fault Breccia in the Blue Ridge

Photomicrograph of fault breccia in the Cambrian Antietam Formation, Blue Ridge province. Breccias form when rocks are extensively fractured in fault zones and are cemented together when minerals precipitate in the cracks and fractures. Note the angular fragments (fr) of quartz sandstone in a matrix of fine-grained iron oxide cement (ic). Field of view 4 […]

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What’s New in Virginia Geology

Nelsonite-scalebar

Virginia’s State Rock: Nelsonite

On July 1, 2016, Governor Terry McCauliffe signed a bill into law that made nelsonite the first official state rock of Virginia. The initiative for this project was led by students from Piedmont Virginia Community College.  Michelle Stanislaus and her classmates from their Historical Geology class and Government class ran the petition for this law starting […]

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