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Rock Star

Director:Stephen HerekWriter:John StockwellWarner Bros.; R; 142 minutesRelease:8/01Cast:Mark Wahlberg, Jennifer Aniston, Jason Flemyng One expects a certain tongue-in-cheekiness from a film…

Brewer's: Rock

A quack; so called from one Rock, who was the “Holloway” of Queen Anne's reign. Oh, when his nerves had once received a shock, Sir Isaac Newton might have gone to Rock. Crabbe: Borough.…

The Rock Biography

The RockDwayne Johnsonwrestler, actorBorn: May 2, 1972Birthplace: Hayward, California The Rock was born Dwayne Johnson, half African-American, half Samoan-American. His father, Rocky Johnson, and…

Hutton, James

(Encyclopedia) Hutton, James, 1726–97, Scottish geologist, chemist, and naturalist. He was initially attracted to chemistry; he entered the legal profession at the Univ. of Edinburgh; turned to…

serpentine

(Encyclopedia) serpentineserpentinesûrˈpəntēn, –tīn [key], hydrous silicate of magnesium. It occurs in crystalline form only as a pseudomorph having the form of some other mineral and is generally…

spinel

(Encyclopedia) spinel, magnesium aluminum oxide, MgAl2O4, a mineral crystallizing in the isometric system, usually as octahedrons. It occurs as an accessory mineral in basic igneous rocks, in…

garnet

(Encyclopedia) garnet, name applied to a group of isomorphic minerals crystallizing in the cubic system. They are used chiefly as gems and as abrasives (as in garnet paper). The garnets are double…

Precambrian

(Encyclopedia) Precambrian, name of a major division of geologic time (see Geologic Timescale, tablegeologic timescale, table), from c.5 billion to 570 million years ago. It is now usually divided…

ilmenite

(Encyclopedia) ilmeniteilmeniteĭlˈmĕnīt [key], black mineral, iron titanium oxide, FeTiO3, crystallizing in the hexagonal system. It is sometimes found as tabular hexagonal crystals but occurs more…

geochemistry

(Encyclopedia) geochemistry, study of the chemical changes on the earth. More specifically, it is the study of the absolute and relative abundances of chemical elements in the minerals, soils, ores,…