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Lewis, Jerry Lee

(Encyclopedia)Lewis, Jerry Lee, 1935–2022, American singer and composer, b. Ferriday, La. Combining country music elements with an energetic performance style, he w...

cleavage

(Encyclopedia)cleavage, tendency of many minerals to split along definite smooth planar surfaces determined by their crystal structure. The directions of these surfaces are related to weaknesses in the atomic struc...

Puy-en-Velay, Le

(Encyclopedia)Puy-en-Velay, Le lə püēˈ-äN-vəlāˈ [key], city (1990 pop. 23,434), capital of Haute-Loire dept., S central France. Le Puy-en-Velay is the center of an old lace industry, as well as traditional ...

basalt

(Encyclopedia)basalt bəsôltˈ, băsˈôlt [key], fine-grained rock of volcanic origin, dark gray, dark green, brown, reddish, or black in color. Basalt is an igneous rock, i.e., one that has congealed from a molt...

Lorelei

(Encyclopedia)Lorelei lôrˈəlī, Ger. lōˈrəlī [key], cliff, 433 ft (132 m) high, on the right bank of the Rhine River, near St. Goarshausen, W Germany, about midway between Koblenz and Bingen. There the Rhine...

Sterling

(Encyclopedia)Sterling. 1 City (1990 pop. 10,362), seat of Logan co., NE Colo., on the South Platte River; inc. 1884. It is the trading and shipping center of an agricultural area (grain, cattle, dairy products). O...

rhyolite

(Encyclopedia)rhyolite, fine-grained light-colored acidic volcanic rock. Rhyolite is chemically the equivalent of granite, and is thus composed primarily of quartz and orthoclase feldspar with subordinate amounts o...

Baltic Shield

(Encyclopedia)Baltic Shield, the continental core of Europe, composed of Precambrian crystalline rock, the oldest of Europe. The tectonically stable region was not affected by the Caledonian, Hercynian, and Alpine ...

Janesville

(Encyclopedia)Janesville, city (1990 pop. 52,133), seat of Rock co., S central Wis., on the Rock River; inc. 1853. It is an industrial and commercial center in a grain, dairy farm, and tobacco area. Manufactures in...

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