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The top plate illustrates the tectonic setting for the sediments of Pennsylvania. This section is characterized by the metamorphic rocks that provide much of the bedrock for this area. The oldest exposed rocks in Pennsylvania are found here and consist of the Baltimore Gneiss. [8] These rocks have a complex history and a vast array of different ...
This is a list of Native American archaeological sites on the National Register of Historic Places in Pennsylvania.. Historic sites in the United States qualify to be listed on the National Register of Historic Places by passing one or more of four different criteria; Criterion D permits the inclusion of proven and potential archaeological sites. [1]
This list of the prehistoric life of Pennsylvania contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of ...
Hoverter and Sholl Box Huckleberry Natural Area is a 10-acre (4.0 ha) natural area in Perry County, Pennsylvania, near New Bloomfield, which protects a colony of box huckleberry over 1,000 years old. [ 1 ] [ 2 ] The smallest Natural Area in Pennsylvania, [ 3 ] it is administered as part of Tuscarora State Forest . [ 2 ]
The "Pennsylvania Salient" in the Appalachians appears to have been formed by a large, dense block of mafic volcanic rocks that became a barrier and forced the mountains to push up around it. 2012 image from NASA's Aqua satellite. Generalized east-to-west cross section through the central Hudson Valley region. USGS image.
The Pennsylvania Dutch region in south-central Pennsylvania is a favorite for sightseers. The Pennsylvania Dutch, including the Amish, Mennonites, and at least 15 other sects are common in the rural areas around the cities of Lancaster, York, and Harrisburg with smaller populations extending northeast to the Lehigh Valley and up to the Susquehanna Valley.
The Chesapeake Bay (/ ˈ tʃ ɛ s ə p iː k / CHESS-ə-peek) is the largest estuary in the United States. The bay is located in the Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula, including parts of the Eastern Shore of Maryland, the Eastern Shore of Virginia, and the state of Delaware.
Archbald Pothole State Park is a 149.16-acre (60.36 ha) Pennsylvania state park in Archbald, Lackawanna County, Pennsylvania. The focal point of the park is Archbald Pothole. The pothole is a remnant of the Wisconsin Glacial Period, 38 feet (11.6 m) deep with a largest diameter of 42 feet (12.8 m) by 24 feet (7.3 m). It has drawn tourists since ...