Chilhowee Group

The Chilhowee Group is a sedimentary body composed of early Cambrian siliciclastic sedimentary rocks which crop out along the eastern margin of the Blue Ridge province in Maryland and Virginia. They represent a rift to passive margin sequence, with mostly coarse, feldspathic sandstones and conglomerates in the lower member and shales and phyllite in the upper members.The Chilhowee Group contains four formations; the Loudoun, Weverton, Harpers and Antietam.[1]

References

  1. ↑ Southworth, Scott, Geology of the Harpers Ferry Quadrangle, Virginia, Maryland, and West Virginia, U.S. Geological Survey bulletin : 2123; 1995
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