Chestnut Ridge is an elongate hill trending northeast-southwest in west-central Bedford County,

Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...

. It is partially forested with rural homes, farms, and notably apple orchards. Four small towns surround it: Schellsburg, New Paris, Fishertown, and Pleasantville. Shawnee State Park and Shawnee Lake lie immediately to the south of the ridge.

Chestnut Ridge School District Chestnut Ridge School District is a school district in Bedford County, Pennsylvania, United States. Extracurriculars The district offers a variety of clubs, activities and sports. Sports The district funds: ; Varsity: ; Boys: * Baseball - AA ...

is named after the ridge.

Geology

Geologically, Chestnut Ridge is a doubly plunging

anticline In structural geology, an anticline is a type of fold that is an arch-like shape and has its oldest beds at its core, whereas a syncline is the inverse of an anticline. A typical anticline is convex up in which the hinge or crest is the ...

. The bedrock along the axis is the

Devonian The Devonian ( ) is a geologic period and system of the Paleozoic era, spanning 60.3 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya. It is named after Devon, England, whe ...

Onondaga Formation and Old Port Formation, consisting primarily of

sandstone Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicates) ...

.Berg, T.M., Edmunds, W.E., Geyer, A.R. and others, compilers, (1980). Geologic Map of Pennsylvania: Pennsylvania Geologic Survey, Map 1, scale 1:250,000. The crest of the hill is at approximately elevation. The New Enterprise Stone & Lime Co., Inc. New Paris Quarry (inactive) is located on the northwest flank of the ridge. Early

Limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...

of the

fossil A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...

iferous

Keyser Formation The Late Silurian to Early Devonian Keyser Formation is a mapped limestone bedrock unit in Pennsylvania, Maryland, Virginia, and West Virginia. Description The Keyser is a nodular limestone overlain by thick- and thin-bedded limestone and lamina ...

is quarried there. See also

Geology of Bedford County, Pennsylvania Bedford County, Pennsylvania is situated along the western border of the Ridge and Valley physiographic province, which is characterized by folded and faulted sedimentary rocks of early to middle Paleozoic age. The northwestern border of ...

External links

Chestnut Ridge School District

References

{{coord, 40.1014, -78.6260, type:landmark_globe:earth_region:US-PA, display=title Geography of Bedford County, Pennsylvania