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Fastnet Rock

(Encyclopedia)Fastnet Rock făstˈnĭt [key], islet, Co. Cork, S Republic of Ireland. Its 160-ft (49-m) lighthouse is near the most southerly point of Ireland. It is the marker for the furthest leg of the Fastnet C...

igneous rock

(Encyclopedia)igneous rock: see rock.

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...

Ayers Rock

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

Percé Rock

(Encyclopedia)Percé Rock pĕrsāˈ [key], E Que., Canada, just off the tip of the Gaspé Peninsula. It is a massive rock (1,420 ft/433 m long; c.300 ft/90 m wide; and 290 ft/88 m at the highest point), rising shee...

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. ...

rock crawler

(Encyclopedia)rock crawler, name applied to the slender, wingless insects of the family Grylloblattidae in the order Orthoptera. They have long antennae and range in length from 1⁄2 to 1 in. (15–30 mm). Rock cr...

rock crystal

(Encyclopedia)rock crystal: see quartz.

Rock Falls

(Encyclopedia)Rock Falls, city (1990 pop. 9,654), Whiteside co., NW Ill., on the Rock River opposite Sterling; inc. 1867. It is an industrial center in a farm region with corn, soybeans, cattle, and hogs. Electroni...