Rock (geology)
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In geology, rock (or stone) is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition, and the way in which it is formed. Rocks form the Earth's outer solid layer, the crust, and most of its interior, except for the liquid outer core and pockets of magma in the asthenosphere. The study of rocks involves multiple subdisciplines of geology, including petrology and mineralogy. It may be limited to rocks found on Earth, or it may include planetary geology that studies the rocks of other celestial objects.
Rocks are usually grouped into three main groups: igneous rocks, sedimentary rocks and metamorphic rocks. Igneous rocks are formed when magma cools in the Earth's crust, or lava cools on the ground surface or the seabed. Sedimentary rocks are formed by diagenesis and lithification of sediments, which in turn are formed by the weathering, transport, and deposition of existing rocks. Metamorphic rocks are formed when existing rocks are subjected to such high pressures and temperatures that they are transformed without significant melting.
Humanity has made use of rocks since the earliest humans. This early period, called the Stone Age, saw the development of many stone tools. Stone was then used as a major component in the construction of buildings and early infrastructure. Mining developed to extract rocks from the Earth and obtain the minerals within them, including metals. Modern technology has allowed the development of new human-made rocks and rock-like substances, such as concrete. Provided by Wikipedia
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61
Lujuria de vivir / by Stone, Irving, 1903-1989
Published 1981Call Number: Loading…
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62
Elementary chemical engineering / by Peters, Max Stone 1920-
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Experiments, theory, and problems in general chemistry : an integrated course / by Stone, Hosmer Ward 1892-
Published 1953Call Number: Loading…
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El sistema que nunca falla para alcanzar el éxito / by Stone, W. Clement, 1902-2002
Published 1963Call Number: Loading…
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Linear transformations in Hilbert space and their applications to analysis / by Stone, Marshall Harvey, 1903-1989
Published 1979Call Number: Loading…
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Linear transformations in Hilbert space and their applications to analysis / by Stone, Marshall Harvey, 1903-1989
Published 1932Call Number: Loading…
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67
Niñez y adolescencia / by Stone, Lawrence Joseph, 1912-1975
Published 1971Call Number: Loading…
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68
Niñez y adolescencia / by Stone, Lawrence Joseph, 1912-1975
Published 1995Call Number: Loading…
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69
Prose style : a handbook for writers / by Stone, Wilfred Healey, 1917-2015
Published 1968Call Number: Loading…
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70
La guerra de Corea / by Dzélépy, Éleuthère Nicolas, 1892-, Stone, Bourdet
Published 1952Call Number: Loading…
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71
Wild dogs and their relatives / by Jackson, Peter, 1926-, Sheean-Stone, Olga
Published 1991Call Number: Loading…
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72
Pre-Columbian tuberculosis in Tierra del Fuego? Discussion of the paleopathological and molecular evidence by Guichon, Ricardo Anibal, Buikstra, Jane E., Stone, Anne C., Harkins, Kelly M., Suby, Jorge Alejandro, Massone, Mauricio, Prieto lglesias, Alfredo, Wilbur, Alicia, Constantinescu, Florence, Rodríguez Martín, Conrado
Published 2015
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73
Arquitectura de interiores : elementos y objetos / by Brooker, Graeme
Published 2010Other Authors: “…Stone, Sally…”
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74
Diseño de interiores : manual para los futuros profesionales del sector / by Brooker, Graeme
Published 2011Other Authors: “…Stone, Sally…”
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75
The newer Caribbean : decolonization, democracy and development / by Paget, Henry
Published 1983Other Authors: “…Stone, Carl…”
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76
Resourceful English teacher : a complete teaching companion / by Chandler, Jonathan
Published 1999Other Authors: “…Stone, Mark…”
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77
Manual para el asesoramiento psicológico (counseling) / by Shertzer, B.
Published 1972Other Authors: “…Stone, S. C.…”
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78
La enseñanza para la comprensión : vinculación entre la investigación y la práctica /
Published 1999Other Authors: “…Wiske, Martha Stone…”
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79
La comunicación humana : el proceso de interrelación / by Borden, George A.
Published 1982Other Authors: “…Stone, John D.…”
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80
Microeconomics in action / by Clarkson, Kenneth W., 1943-
Published 1971Other Authors: “…Stone, Courtenay C.…”
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