Roundtop Hill (Maryland)

Roundtop Hill is a mountain in Washington County, Maryland, southwest of the town of Hancock. The elevation at the summit is 1,358 feet (410 m).

Roundtop Hill
Roundtop Hill
Location of Roundtop Hill in Maryland
Highest point
Elevation1,358 feet (410 m) [1]
Prominence650 feet (200 m)
Coordinates39°41′N 78°19′W 
Geography
LocationWashington County, Maryland, U.S.
Parent rangeAllegheny Mountains, part of the Ridge-and-Valley Appalachians
Topo mapUSGS Hancock (PA and MD) Quadrangle

Geography

Unlike surrounding mountains, Roundtop Hill is not part of an extended ridge system, and is only about 2 miles (3.2 km) in length. It is located just under 1 mile (1.6 km) from the crest of Tonoloway Ridge, about 3.5 miles (5.6 km) southwest of Hancock. Its presence causes a large bend in the Potomac River, which curves around its eastern slope. Much of the eastern face is part of the Chesapeake and Ohio Canal National Historical Park and the canal bed and tow path pass along the narrow bank at its base.

Geology
Synclinal fold
Anticlinal fold
Preserved mudcracks at Roundtop Hill

Outstanding outcrops of the Silurian Wills Creek Formation and underlying Bloomsburg Formation are exposed along the old railroad grade at Roundtop Hill. Examples of folding, formation of cleavage, thrust faulting, and the deformation of bedded rocks are visible. About 500 feet of strata are exposed.[2]

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References
  1. Mountainzone
  2. The Silurian section at Roundtop Hill near Hancock, Maryland, John D. Glaser (Maryland Geological Survey). Geological Society of America Centennial Field Guide—Northeastern Section, 1987
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