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Ayers Rock

(Encyclopedia)Ayers Rock, monolith, Australia: alternative name for Uluru. See Uluru–Kata Tjuta National Park. ...

calcareous rock

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

North Little Rock

(Encyclopedia)North Little Rock, city (1990 pop. 61,741), Pulaski co., central Ark., on the Arkansas River opposite Little Rock; settled c.1856, inc. as a city 1903. North Little Rock lies in a cotton, rice, soybea...

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...

Black Rock Desert

(Encyclopedia)Black Rock Desert, arid region of lava beds and alkali flats, NW Nev., in Toiyabe National Forest, stretching c.70 mi (110 km) NE from Gerlach. The Jackson Mts. rise to the east; the Black Rock Range ...

porphyry, igneous rock

(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...

rock and roll

(Encyclopedia)rock and roll: see rock music.

rock 'n' roll

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

cock-of-the-rock

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

Dome of the Rock

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