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rock temple

(Encyclopedia)rock temple: see temple.

rock salt

(Encyclopedia)rock salt: see sodium chloride.

(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...

Ayers Rock

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

Glen Rock

(Encyclopedia)Glen Rock, borough (2020 pop. 12,133), Bergen co., NE N.J., a residential suburb of New York City; settled c.1710, inc. 1896. George Washington's army u...

calcareous rock

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

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...