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Laid down as sediment on a sea floor 440 million years ago, in West Virginia the Tuscarora is 150 to 250 feet (76 m) thick. At the River Knobs, the quartzite layer has been "verticalized" by geological forces during the formation of the Appalachians some 230 million years ago.
Prominent peaks of Spruce Mountain, north to south, are Horse Rock (4,536 ft; 1,383 m), Spruce Mountain Peak (4,586 ft; 1,398 m), Picea Benchmark (4,613 ft; 1,406 m), and Spruce Knob itself. Spruce Knob is the highest point in the eastern United States between the Adirondacks of New York and Mount Rogers (part of the Blue Ridge Mountains) in ...
Many of those pitons were retrieved and reused by local climbers in the following years, [8] but many remained in the rock for decades. The Spruce Knob–Seneca Rocks National Recreation Area (NRA) was established within the Monongahela National Forest by an act of the U.S. Congress on September 28, 1965.
The last significant period of marine deposition was the Greenbrier Formation, predominantly limestone, approximately 330 million years ago. About 310 million years ago, the area of West Virginia was once again above sea level, but covered by vast areas of swamp. This condition prevailed for more than fifty million years, resulting in the ...
The pyrite that fossilized the specimen, named Lomankus edgecombei, "preserves critical evidence of the evolution of life in the oceans 450 million years ago," co-author Derek Briggs said in a ...
Spruce Knob, the highest point in West Virginia (and the highest of the Allegheny Mountains) with a summit elevation of 4,863 feet (1482 m). Seneca Rocks , a 900-foot (270 m) high quartzite crag popular with rock climbers .
A six-mile-long asteroid, which struck Earth 66 million years ago, wiped out the dinosaurs and more than half of all life on Earth.The impact left a 124-mile-wide crater underneath the Gulf of ...
The tiny crab bridges an evolutionary gap that stumped scientists for years. Fossil stuck in 100 million-year-old amber is oldest "true crab" ever discovered Skip to main content