A Resource for Information on the Commonwealth's Geology
Aerial view (to the southeast) towards the mouth of the Rappahannock River. Photo by C. M. Bailey
The Rappahannock River forms a broad estuary as it flows to towards the Chesapeake Bay in Virginia’s Coastal Plain province. To the south the Piankatank River is also visible. The Rappahannock and Piankatank rivers are tidal estuaries.
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 […]
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 […]