Sideling Hill

SPEAKZEASY

Sideling Hill

SIDELING HILL also known as SIDE LONG HILL is a long, steep, narrow mountain ridge in the RIDGE-&-VALLEY (or ALLEGHENY Mountains) physiographic province of the Appalachian Mountains located in Washington County in western Maryland and adjacent West Virginia and Pennsylvania, USA.  The highest point on the ridge is Fisher Point, at 2,310ft in Fulton County, Pennsylvania.

It is a SYNCLINE Mountain, in a region of “downward folded” ( a fold in which the strata on either side dip inward towards the axis) rock strata between two “upward folded” ANTICLINES.  The ridge is capped by an erosion-resistant conglomerate and sandstone of early CARBONIFEROUS geologic age, the PURSLANE sandstone of the POCON formation.  The ridge’s slopes are formed much more easily eroded kinds of rock, including the DEVONIAN-MISSISSIPPIAN Rockwell Formation, with long, narrow valleys paralleling the ridge on either side.  This topographic inversion, in which the “structural low” becomes a “topographic high”…

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