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Hutton, James

(Encyclopedia) Hutton, James, 1726–97, Scottish geologist, chemist, and naturalist. He was initially attracted to chemistry; he entered the legal profession at the Univ. of Edinburgh; turned to…

The Washington Monument: Facts, History & Profile

Top of Page Image Source: Getty ImagesFast Washington Monument Facts Height: 555 feet and 5⅛ inches (169.3 m) Base width: 55 feet (16.76 m) Top width: 34 feet (10.36 m) Weight: 90,854 tons (82,…

Brewer's: Aqueous Rocks

Rocks produced by the agency of water, such as bedded limestones, sandstones, and clays; in short, all the geological rocks which are arranged in layers or strata. Source: Dictionary of…

quartz

(Encyclopedia) quartz, one of the commonest of all rock-forming minerals and one of the most important constituents of the earth's crust. Chemically, it is silicon dioxide, SiO2. It occurs in…

Eocene epoch

(Encyclopedia) Eocene epochEocene epochēˈəsēnˌ [key], second epoch of the Tertiary period in the Cenozoic era of geologic time, from approximately 54.9 to 38 million years ago. The Eocene in North…

Guiana Highlands

(Encyclopedia) Guiana Highlands, mountainous tableland, c.1,200 mi (1,930 km) long and from 200 to 600 mi (322–966 km) wide, N South America, bounded by the Orinoco and Amazon river basins, and by…

Brewer's: Nottingham

(Saxon, Snotingaham, place of caves). So called from the caverns in the soft sandstone rock. Montecute took King Edward III. through these subterranean passages to the hill castle, where…

Brewer's: Sarsen Stones

The “Druidical” sandstones of Wiltshire and Berkshire are so called. The early Christian Saxons used the word Saresyn as a synonym of pagan or heathen, and as these stones were popularly…