Columbia Encyclopedia

Search results

500 results found

Arafat

(Encyclopedia)Arafat äräfäˈ [key], granite hill, Saudi Arabia, near Mecca. The hill was an ancient pagan sanctuary and is shrouded in many legends. It is a site for prayers during the hajj, the annual Muslim pi...

Taylor, James Vernon

(Encyclopedia) Taylor, James Vernon, 1948-, American singer-songwriter, b. Boston, Ma. Taylor was born in Boston but raised in Chapel Hill, N.C. As a teenager, he be...

Perugia

(Encyclopedia)Perugia pāro͞oˈjä [key], city (1991 pop. 144,732), capital of Umbria and of Perugia prov., central Italy, situated on a hill overlooking the valley of the Tiber River. It is a commercial, industri...

metamorphism

(Encyclopedia)metamorphism, in geology, process of change in the structure, texture, or composition of rocks caused by agents of heat, deforming pressure, shearing stress, hot, chemically active fluids, or a combin...

Dorking

(Encyclopedia)Dorking, town, Surrey, SE England. It is a market town and residential suburb of London. Leith Hill, the highest point in SE England (965 ft/294 m), is ...

granite

(Encyclopedia)granite, coarse-grained igneous rock of even texture and light color, composed chiefly of quartz and feldspars. It usually contains small quantities of mica or hornblende, and minor accessory minerals...

petrology

(Encyclopedia)petrology, branch of geology specifically concerned with the origin, composition, structure, and properties of rocks, primarily igneous and metamorphic, and secondarily sedimentary. It includes petrog...

Berry, Chuck

(Encyclopedia)Berry, Chuck (Charles Edward Anderson Berry), 1926–2017, American rock music guitarist, singer, and songwriter, b. San Jose, Calif. Berry is widely regarded as one of the leading pioneers of rock mu...

quarrying

(Encyclopedia)quarrying, open, or surface, excavation of rock used for various purposes, including construction, ornamentation, road building, and as an industrial raw material. Rock that has been quarried is commo...

Browse by Subject