Karst topography, including sinkholes and caves, developed on soluble limestone in the Valley & Ridge province, Russell County, Virginia.
Karst Topography
August 3, 2016 by ·
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The Appalachian Plateau’s rugged terrain
In Virginia the Appalachian Plateau province is not particularly ‘plateau-like’, rather the region is characterized by rugged topography and steep slopes. It is a well-dissected upland, and streams draining the region have a classic dendritic drainage pattern. The featured image of Buchanan County (and the surrounding areas of Kentucky and West Virginia) is a shaded relief map […]
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At the Pluton’s Edge
When large quantities of magma intrude and solidify in the Earth’s crust they form bodies of intrusive igneous rock known as plutons. The featured image nicely illustrates the edge (geologic contact) of a granitic pluton in the Blue Ridge Mountains of central Virginia. The granite is part of the 706 ± 4 million year old […]