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Geology - Isotopes, Geochemistry, Rocks: Isotopic geochemistry has several principal roles in geology. One is concerned with the enrichment or impoverishment of certain isotopic species that results from the influence of differences in mass of molecules containing different isotopes. Measurements of the proportions of various isotopic species can be used as a form of geologic thermometer.
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A common goal of stratigraphic studies is the subdivision of a sequence of rock strata into mappable units, determining the time relationships that are involved, and correlating units of the sequence—or the entire sequence—with rock strata elsewhere. Following the failed attempts during the last half of the 19th century of the International Geological Congress (IGC; founded 1878) to ...
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weathering, disintegration or alteration of rock in its natural or original position at or near the Earth's surface through physical, chemical, and biological processes induced or modified by wind, water, and climate.. During the weathering process the translocation of disintegrated or altered material occurs within the immediate vicinity of the rock exposure, but the rock mass remains in situ.
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Geology - Plate Tectonics, Earthquakes, Volcanoes: The subject of tectonics is concerned with the Earth's large-scale structural features. It forms a multidisciplinary framework for interrelating many other geologic disciplines, and thus it provides an integrated understanding of large-scale processes that have shaped the development of our planet. These structural features include mid ...
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Geology - Mineral Deposits, Formation, Exploration: As mentioned above, the distribution of commercially significant mineral deposits, the economic factors associated with their recovery, and the estimates of available reserves constitute the basic concerns of economic geologists. Because continued industrial development is heavily dependent on mineral resources, their work is crucial to ...
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The methods of structural geology are nearly as diverse as those of the geologic sciences as a whole. Small-scale structural features may be studied using the same general techniques that are employed in petrology, in which sections of rock mounted on glass slides are ground very thin and are then examined with polarizing microscopes.On a larger scale, the techniques of field geology are used.
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Azurite - Used as an ore of copper, a pigment, ornamental stone and gem material. Geology.com is one of the world's leading portals to geology and Earth science news and information for rocks, minerals, gemstones, energy, volcanoes, earthquakes, careers, geologic hazards, and more.
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Geology is a science, meaning that we use deductive reasoning and scientific methods to understand geological problems. It is, arguably, the most integrated of all of the sciences because it involves the understanding and application of all of the other sciences: physics, chemistry, biology, mathematics, astronomy, and others.
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Geology is the study of the Earth, the materials of which it is made, the structure of those materials, and the processes acting upon them. It includes the study of organisms that have inhabited our planet. An important part of geology is the study of how Earth's materials, structures, processes and organisms have changed over time.
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1. Geology Hub. Geology-hub.com is a website that provides information on various geology topics, including rock formations, minerals, fossils, and more. It also features articles and multimedia content on geological subjects, such as volcanos, earthquakes, and the formation of rocks.
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