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batholith

(Encyclopedia) batholith, enormous mass of intrusive igneous rock, that is, rock made of once-molten material that has solidified below the earth's surface (see rock). Batholiths usually are granitic…

Joplin, Janis

(Encyclopedia) Joplin, JanisJoplin, Janisjŏpˈlĭn [key], 1943–70, American blues-rock singer, b. Port Arthur, Tex. After dropping out of college (1963) and singing folk rock in Texas clubs, she moved…

dolomite

(Encyclopedia) dolomitedolomitedōˈləmītˌ, dŏlˈə– [key]. 1 Mineral, calcium magnesium carbonate, CaMg (CO3)2. It is commonly crystalline and is white, gray, brown, or reddish in color with a vitreous…

Chimney Rock National Monument

(Encyclopedia) Chimney Rock National Monument, 4,726 acres (1,913 hectares), SW Colorado; est. 2012. Located in San Juan National Forest, it is bordered by the Southern Ute reservation. Within the…

Sela

(Encyclopedia) Sela or SelahSelasēˈlə [key] [Heb.,=rock], in the Bible, unidentified town, S of the Dead Sea. Amaziah captured it and renamed it Joktheel. Some identify Sela with Petra. Sela in the…

Beloit

(Encyclopedia) Beloit Beloit bəˈloit [key], city (2020 pop. 36,657), Rock co., S Wis., on the Rock River; inc…

blasting

(Encyclopedia) blasting, shattering, breaking, or splitting of rock or other material by the discharge of an explosive placed within or in contact with it. It is a necessary part of many engineering…

kettle

(Encyclopedia) kettle, oval depression found in glacial moraines, which are landforms made up of rock debris. When a glacier melts and draws away from an area, a block of ice may break off and be…

Lewis, Jerry Lee

(Encyclopedia) Lewis, Jerry Lee, 1935–, American singer and composer, b. Ferriday, La. Combining country music elements with an energetic performance style, he was an early star of rock music. His…

shaft sinking

(Encyclopedia) shaft sinking, excavation from the surface of an opening in the earth. Shafts, which are generally vertical, are usually distinguished from tunnels, which are horizontal. Little…