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Tiruchirapalli

(Encyclopedia)Tiruchirapalli trĭchĭnŏˈpəlē [key], city (1991 pop. 711,862), Tamil Nadu state, SE India, on the Kaveri River. It is a district administrative center and an important educational, religious, and...

Pennebaker, D. A.

(Encyclopedia)Pennebaker, D. A. (Donn Alan Pennebaker), 1925–2019, pioneering documentary filmmaker, b. Evanston, Ill. His first film, Daybreak Express (1958), is a five-minute short detailing New York's doomed T...

Gibraltar

(Encyclopedia)Gibraltar jĭbrôlˈtər [key], British overseas territory (2015 est. pop. 34,000), 2.5 sq mi (6.5 sq km), on a narrow, rocky peninsula extending into the Mediterranean Sea from SW Spain. Most of the ...

amphitheater

(Encyclopedia)amphitheater ămˈfəthēˌətər, ămˈpə– [key], open structure used for the exhibition of gladiatorial contests, struggles of wild beasts, sham sea battles, and similar spectacles. There is no G...

Gilbert Islands

(Encyclopedia)Gilbert Islands, group of 16 islands, central Pacific, one of the island groups that form the Republic of Kiribati. The group includes Tarawa, Butaritari, Makin, Little Makin, Marakei, Abaiang, Maiana...

San Jose, city, United States

(Encyclopedia)San Jose sănəzāˈ, săn hōzāˈ [key], city (1990 pop. 782,248), seat of Santa Clara co., W central Calif.; founded 1777, inc. 1850. Along with San Francisco and Oakland the city comprises the fou...

Rock Creek Park

(Encyclopedia)Rock Creek Park: see National Parks and Monuments (table)national parks and monuments (table). ...

Steep Rock Lake

(Encyclopedia)Steep Rock Lake, 4 mi (6.4 km) long and 3 mi (4.8 km) wide, SW Ont., Canada, W of Lac des Mille Lacs. It is the site of important iron ore mining. Part of the lake was drained to facilitate the mining...

quartzite

(Encyclopedia)quartzite, usually metamorphic rock composed of firmly cemented quartz grains. Most often it is white, light gray, yellowish, or light brown, but is sometimes colored blue, green, purple, or black by ...

concretion

(Encyclopedia)concretion, mass or nodule of mineral matter, usually oval or nearly spherical in shape, and occurring in sedimentary rock. It is formed by the accumulation of mineral matter in the pore spaces of the...
 

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