Search results
Results from the WOW.Com Content Network
Top of Stonyman Summit, Shenandoah National Park The geology of Virginia began to form at least 1.8 billion years ago. The oldest rocks in the state were metamorphosed during the Grenville orogeny, a mountain-building event beginning 1.2 billion years ago in the Proterozoic, which obscured older rocks.
Nearby are the 795 acres (3.22 km 2) of Humpback Rocks Recreation Area. Notable is the rock fence, reputedly built by slaves of a plantation owner, that separates the gap and Greenstone Overlook. Notable is the rock fence, reputedly built by slaves of a plantation owner, that separates the gap and Greenstone Overlook.
Granite Springs is an unincorporated community in Spotsylvania County, in the U.S. state of Virginia. It is marked by the United States Geological Survey (USGS) as the intersection of Belmont Road (Route 652), Lawyers Road (Route 601), and Granite Springs Road (Route 664). [ 1 ]
Old Rag Mountain is underlain by Old Rag Granite, named for its ubiquitous exposure on the mountain, formed during the Grenville Orogeny about a billion years ago. About 400 million years after the Grenville orogeny during the Catoctin Formation, deposition of basaltic magma occurred during the formation of the Iapetus Ocean, forming a layer of greenstone over the granite.
W.N. Flynt Granite Co., in Monson, Massachusetts, a granite quarry that opened in 1809 and operated until 1935. By 1888, the company employed over 200 workers, and produced about 30,000 tons of granite per year. Quincy Quarries Reservation, in Quincy, Massachusetts, producer of granite from 1826 to 1963, including for the Bunker Hill Monument.
Known by its map designation as Area 51, this middle-of-nowhere site became a new top-secret military base. ... Whereas today’s airliners can soar as high as 45,000 feet, in the mid-1950s ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.