Columbia Encyclopedia

(Encyclopedia) pyroxene pīˈrŏksēn [key], name given to members of a group of widely distributed rock minerals called metasilicates in which magnesium, iron, and calcium, often with aluminum, sodium, lithium, man...

(Encyclopedia) Quiller-Couch, Sir Arthur Thomas kwĭlˈər-ko͞ochˌ [key], pseud. Q, 1863–1944, English author. Among the novels of his native Cornwall are Dead Man's Rock (1887) and Hetty Wesley (1903), which ar...

(Encyclopedia) Ruwenzori ro͞oˌwənzōˈrē [key], mountain range, E central Africa, on the Uganda-Congo border, in the western arm of the Great Rift Valley between lakes Albert and Edward. This fault-block range i...

(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...

(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...

(Encyclopedia) Glorioso Islands glōrˌēōˈsō, –zō [key], Fr. Îles Glorieuses, island group, c.2 sq mi (5 sq km), in the Mozambique Channel, W Indian Ocean, 125 mi (200 km) WNW of N Madagascar, part of the Sc...

(Encyclopedia) Gold Butte National Monument, 296,937 acres (90,506 hectares), SE Utah, est. 2016 and managed by the Bureau of Land Management. Named for a mining ghost town, the monument embraces a rugged desert lan...

(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...

(Encyclopedia) Priapus prīāˈpəs [key], in Greek religion, fertility god of gardens and herds; son of Aphrodite and Dionysus. He was represented as a grotesque little man with an enormous phallus. Priapus was imp...

(Encyclopedia) hogback, sharp-crested ridge with steep slopes on both sides, formed by the erosion of steeply tilted rock layers. Hogbacks are commonly formed along the eroded flanks of large, tightly folded anticli...