geochronometry

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geochronometry [¦jē·ō·krə′näm·ə·trē]

(geology)

The study of the absolute age of the rocks of the earth based on the radioactive decay of isotopes, such as²³⁸U,²³⁵U,²³²Th,⁸⁷Rb,⁴⁰K, and¹⁴C, present in minerals and rocks.

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No references found			187]Os system to black shale geochronometry // Geochim. Re-Os (ICP-MS) dating of marine oil shale in the Qiangtang basin, ... by Xiugen, Fu; Jian, Wang; Wenjun, Qu; Taizhong, Duan; Andao, Du; Zhengjiang, Wang; Hua, Liu / Oil Shale 1977, Rb-Sr and K-Ar geochronometry of Mesozoic granitic rocks and their Sr isotopic composition, Oregon, Washington, and Idaho: Geological Society of America Bulletin, v. Igneous rock associations 8. Arc magmatism II: geochemical and ... by Murphy, J. Brendan / Geoscience Canada General topics include basic principles of atomic physics, including nuclear systematics decay modes of radionuclides, radioactive decay and geochronometry, radiogenic isotope geochronometers, including a complete range of methods, the geochemistry of radiogenic isotopes, including igneous rocks, water, and sediment, and the oceans, short-lived radionuclides, and fractionation of stable isotopes. Isotopes; principles and applications, 3d ed by SciTech Book News			geocentric vertical geocentric zenith geocerite geochemical anomaly Geochemical Balance Geochemical Classification of the Elements geochemical cycle Geochemical Cycles Geochemical Diagram Geochemical Epochs geochemical evolution Geochemical Facies Geochemical Maps Geochemical Nodes Geochemical Processes geochemical prospecting Geochemical Prospecting for Minerals Geochemical Provinces geochemical well logging Geochemistry Geochemistry and Analytic Chemistry, Institute of Geochemistry, Landscape Geochemistry, Lithogenic geochron Geochronology geochronometry Geocorisae geocorona geocosmogony Geocratic Periods geocronite Geocryology Geode Geode State Park Geodermatophilus geodesic geodesic circle geodesic completeness geodesic coordinates geodesic curvature geodesic distance geodesic dome geodesic ellipse geodesic hyperbola geodesic incompleteness geodesic line geodesic motion geodesic parallels geodesic parameters geodesic polar coordinates geodesic radius			geochemical well logging geochemically geochemically geochemist geochemist Geochemist's Workbench geochemistry geochemistry Geochemistry and Analytic Chemistry, Institute of Geochemistry of Rocks of the Oceans and Continents Geochemistry, Landscape Geochemistry, Lithogenic geochemists geochemists Geochron Geochron Laboratories Inc. geochronologic geochronologic geochronological geochronological geochronologically geochronologically geochronologist geochronologist geochronologists geochronologists geochronology geochronology geochronometric geochronometric geochronometry GEOCI Geocillin Geocillin GeoCities geocline Geococcyx Geococcyx Geococcyx californianus geocode Geocoded Emission Modeling and Projection Geocodes Geocoding Geocoding and Compositing System Geocoin Geocoin GeoCollaborative Crisis Management GEOCOMP Geocomposite Geocorisae geocorona geocorona geocosmogony Geocratic Periods Geocronite Geocronite Geocryology Geocyclic GEOD geod.

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geochronometry