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calcareous rock

(Encyclopedia)calcareous rock: see limestone; marble. ...

White Rock

(Encyclopedia)White Rock, city (1991 pop. 16,314), SE British Columbia, Canada, on Georgia Strait and on the U.S. border. The city is a customs port and resort center with a residential area. ...

Dome of the Rock

(Encyclopedia)Dome of the Rock: see Islamic art and architecture. ...

cock-of-the-rock

(Encyclopedia)cock-of-the-rock: see cotinga.

rock and roll

(Encyclopedia)rock and roll: see rock music.

Rock Creek Park

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

rock 'n' roll

(Encyclopedia)rock 'n' roll: see rock music.

(Encyclopedia)porphyry pôrˈfərē [key], igneous rock composed of large, conspicuous crystals (phenocrysts) and a groundmass in which the phenocrysts are embedded. Some authorities consider the expression “porp...

Plymouth Rock chicken

(Encyclopedia)Plymouth Rock chicken, one of the most popular early breeds of poultry. The Barred Plymouth Rock was a favorite farm chicken since it was both a good egg producer and also developed a large quantity o...

Red Rock chicken

(Encyclopedia)Red Rock chicken, the only chicken still popular to any large extent in the United States today for both meat and eggs. It resulted from a cross between a Rhode Island Red male and a Plymouth Rock fem...