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Figure 1: Extent of the Silurian salt deposits in Michigan, Ohio, New York, and adjacent states [2] The Salina is an extensive formation. It ranges from West Virginia up through Pennsylvania into Ohio and then Michigan in the United States, and from Pennsylvania into New York. It is also found in the Canadian province of Ontario. (See Figure 1.)
The Appalachian event has left the most evidence and has continued to shape the landscape of the state. The Pennsylvania terrain has also been affected by continental rifting during the Mesozoic era. [2] Pleistocene glaciers have also repeatedly visited the state over the last 100,000 years. These glaciers have left some evidence and carved out ...
Quarry locations include Ashcom, New Paris (inactive), Kilcoin (closed), and Sproul (inactive). Two coal fields exist within Bedford County. One is the Broad Top Field in the northeastern corner of the county, and the other is the Georges Creek Field along the southwestern border (PA Geological Survey Map 11). Both fields contain bituminous coal.
The Red River is a major river in the Southern United States. [3] It was named for its reddish water color from passing through red-bed country in its watershed. [4] It also is known as the Red River of the South to distinguish it from the Red River of the North, which flows between Minnesota and North Dakota into the Canadian province of Manitoba.
In eastern Pennsylvania and New Jersey, the upper part of the Bloomsburg marks the Wallbridge Unconformity. To the west, the Wills Creek Formation lies conformably atop the Bloomsburg. Further west, the McKenzie Member of the Mifflintown Formation interfingers with the Bloomsburg and eventually, the Bloomsburg pinches out into the Mifflintown.
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Pennsylvania is one of 13 original colonies that share a border with Canada. Pennsylvania is 180 miles (290 km) north to south and 310 miles (500 km) east to west. The total land area is 44,817 square miles (116,080 km 2)—739,200 acres (2,991 km 2) of which are bodies of water. It is the 33rd largest state in the United States.
The other outwash deposits on the Allegheny, Ohio, and Beaver River terraces have no names. These deposits are typically red rust-colored, deeply weathered gravels composed of small, rounded pebbles generally less than 1 inch (2.5 cm) in diameter. Up to 10% of the pebbles are granites and other crystalline rocks.