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Geologic Map of West Virginia. West Virginia's geologic history stretches back into the Precambrian, and includes several periods of mountain building and erosion. At times, much of what is now West Virginia was covered by swamps, marshlands, and shallow seas, accounting for the wide variety of sedimentary rocks found in the state, as well as its wealth of coal and natural gas deposits.
Limestone Outcrops and Probable Areas Underlain by Rock Salt and Natural Brine in West Virginia. 8.5 X 11 inch map. WV Geological Survey County Geologic Reports and Geologic Maps. All county reports are rare out of print books but our extensive network of resources can generally find most titles within a few days or weeks. All books are hard ...
Paleontology in West Virginia refers to paleontological research occurring within or conducted by people from the U.S. state of West Virginia. West Virginia's fossil record begins in the Cambrian . From that time through the rest of the early Paleozoic , the state was at least partially submerged under a shallow sea.
Group or Formation Period Notes Allegheny Formation: Carboniferous: Antietam Formation: Cambrian: Bloomsburg Formation: Silurian: Bluefield Formation: Carboniferous
The "Driftless Area" drains into rivers having rugged regions of bluffs and valleys. According to the West Virginia Geological and Economic Survey, the two large Ice Age lakes varied throughout the epoch. The last glacial lake, Monongahela, has been dated by Carbon-14 testing to between 22,000 and 39,000 years old.
The environment of West Virginia encompasses terrain and ecosystems ranging from plateaus to mountains. Most of West Virginia lies within the Appalachian mixed mesophytic forests ecoregion , while the higher elevations along the eastern border and in the panhandle lie within the Appalachian-Blue Ridge forests .
The Bluefield Formation is a geologic formation in West Virginia.It preserves fossils dating back to the Mississippian subperiod of the Carboniferous period.Sediments of this age formed along a large marine basin lying in the region of what is now the Appalachian Plateau.
West Virginia is the 10th-smallest state by area and ranks as the 12th-least populous state, with a population of 1,793,716 residents. [5] The capital and most populous city is Charleston with a population of 49,055. West Virginia was admitted to the Union on June 20, 1863, and was a key border state during the American Civil War.