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concretion
(Encyclopedia) concretion, mass or nodule of mineral matter, usually oval or nearly spherical in shape, and occurring in sedimentary rock. It is formed by the accumulation of mineral matter in the…Cashel
(Encyclopedia) Cashel Cashel kăˈshəl [key] [Irish,=castle], town, Co. Tipperary, S central Republic of…talus
(Encyclopedia) talustalustāˈləs [key], deposit of rock fragments detached from cliffs or mountain slopes by weathering and piled up at their bases. A talus is a common geologic feature in regions of…quartzite
(Encyclopedia) quartzite, usually metamorphic rock composed of firmly cemented quartz grains. Most often it is white, light gray, yellowish, or light brown, but is sometimes colored blue, green,…spring, in geology
(Encyclopedia) spring, in geology, natural flow of water from the ground or from rocks, representing an outlet for the water that has accumulated in permeable rock strata underground. Some of the…Pootie Tang
Director/Writer:Louis C.K.Paramount Pictures; PG-13; 81 minutesRelease:7/01Cast:Lance Crouther, JB Smoove, Jennifer Coolidge The character of Pootie Tang (Lance Crouther) offered one of The…Bowie, David
(Encyclopedia) Bowie, David, 1947–2016, British rock-and-roll singer and songwriter who successfully, merged rock, art, and fashion, b. London as David Robert Jones. After singing with five different…well
(Encyclopedia) well, aperture in the earth's surface through which substances in a natural underground reservoir, such as water, gas, oil, salt, and sulfur, can flow or be pumped to the surface. In…Heroes of the Civil Rights Movement
Learn about the heroes of the American civil rights movement, including Rosa Parks, Martin Luther King, Jr., Thurgood Marshall, and more. by Borgna Brunner Rosa Parks, seated on a Montgomery…lava
(Encyclopedia) lavalavaläˈvə [key], molten rock that erupts on the earth's surface, either on land or under the ocean, by a volcano or through a fissure. It solidifies into igneous rock that is also…Trending
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