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Georgian Bay

(Encyclopedia)Georgian Bay, large northeastern extension of Lake Huron, S Ont., Canada, separated from Lake Huron by Manitoulin Island and by the Bruce Peninsula; Lucas Channel is its chief connection with Lake Hur...

Palmdale

(Encyclopedia)Palmdale, city (1990 pop. 68,842), Los Angeles co., S Calif., in the irrigated Antelope Valley; a growing residential suburb of Los Angeles near Little Rock Creek where it forms Lake Palmdale Reservoi...

Andromeda, in Greek mythology

(Encyclopedia)Andromeda ăndrŏmˈĭdə [key], in Greek mythology, princess of Ethiopia, daughter of King Cepheus, king of Ethiopia, and Cassiopeia. According to most legends Cassiopeia angered Poseidon by saying t...

mining

(Encyclopedia)mining, extraction of solid mineral resources from the earth. These resources include ores, which contain commercially valuable amounts of metals, such as iron and aluminum; precious stones, such as d...

Eleusis

(Encyclopedia)Eleusis ĭlo͞oˈsĭs [key], ancient city of Attica, Greece, 12 mi (20 km) NW of Athens. Through ancient times it was the seat of the Eleusinian Mysteries. There was a large temple to Demeter. The Ele...

Hendrix, Jimi

(Encyclopedia)Hendrix, Jimi (James Marshall Hendrix), 1942–70, African-American rock guitarist, b. Seattle, Wash. Hendrix, in his short musical career, was known for an innovative and extremely influential guitar...

Great Sandy Desert

(Encyclopedia)Great Sandy Desert, Australia's second-largest desert, c.110,000 sq mi (284,900 sq km), Western Australia and Northern Territory. Lying between the Tanami Desert (NE) and the Gibson Desert (S), it is ...

Jarrett, Keith

(Encyclopedia) Jarrett, Keith , 1945- , American jazz pianist and composer, b. Allentown, Pa. A child prodigy on the piano, Jarrett was exposed to contemporary jazz d...

feldspar

(Encyclopedia)feldspar fĕlˈspär [key], an abundant group of rock-forming minerals which constitute 60% of the earth's crust. Chemically the feldspars are silicates of aluminum, containing sodium, potassium, iron...

amphibole

(Encyclopedia)amphibole ămˈfəbōlˌ [key], any of a group of widely distributed rock-forming minerals, magnesium-iron silicates, often with traces of calcium, aluminum, sodium, titanium, and other elements. The ...