Short Papers of the Fourth International Conference, Geochronology, Cosmochronology, Isotope Geology, 1978Robert E. Zartman U.S. Department of Interior, Geological Survey, 1978 - 476 من الصفحات |
المحتوى
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عبارات ومصطلحات مألوفة
86 Sr ratios abundance analyzed annealing apatite Archean argon basalts batholith belt biotite carbon chemical chondrites complex concentrations continental correlation crust crystallization dating deposits diagram Earth and Planetary emplacement equilibrium evolution facies Figure fission fission-track formation gabbro garnet gases Geochimica Cosmochimica Acta geochronology Geological Society Geological Survey gneisses granite granitoids igneous indicate initial intrusion island isochron isochron age isotope fractionation isotope ratios isotopic composition isotopic data Journal K-Ar ages kimberlites lavas lead leucite lherzolites lower m.y. ago magma mantle Massif measured melting metamorphic meteorites method mica minerals muscovite obtained oceanic ophiolite oxygen isotope pattern percent peridotite permil phases plagioclase Planetary Science Planetary Science Letters plot plutons Precambrian r-process radiogenic range Rb-Sr region samples sediments sphene studies tectonic temperature thermal tholeiites tion track Tuff U-Pb upper uranium values variations Wasserburg whole-rock zircon zone
مقاطع مشهورة
الصفحة iii - The use of firm, trade, and brand names in this report is for identification purposes only and does not constitute endorsement by the US Geological Survey For additional information write to: District Chief US Geological Survey 333 W.
الصفحة 178 - Sun, SS, and Hanson, GN, 1975. Origin of Ross Island basanitoids and limitations upon the heterogeneity of mantle sources for alkali basalts and nephelinites.
الصفحة 111 - normal segments" of the Reykjanes Ridge, 60°-53°N, MidAtlantic Ridge, 29°S, and East Pacific Rise, 2°-19°S, and evidence on the composition of the underlying lowvelocity layer. J.
الصفحة 175 - Department of Earth and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139.
الصفحة 137 - Banno, S., 1973. Garnet-orthopyroxene and orthopyroxene-clinopyroxene relationships in simple and complex systems.
الصفحة 418 - ROSHOLT JN, DOE BR and TATSUMOTO M. (1966) Evolution of the isotopic composition of uranium and thorium in soil profiles.
الصفحة 400 - Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, California 91125, USA t Mineralogy Department, British Museum (Natural History), Cromwell Road, London SW7 5BD, UK.
الصفحة 462 - O'Nions, RK and Pankhurst, RJ, 1974. Petrogenetic significance of isotope and trace element variations in volcanic rocks from the Mid-Atlantic.
الصفحة 78 - Broecker, WS (1975) Oxygen isotope and cation composition of DSDP pore waters and the alteration of layer II basalts. Earth and Planetary Science Letters 27, 1-10.
الصفحة 51 - GENTNER W., KLEINMANN B. and WAGNER GA (1967) New K-Ar- and fission track ages of impact glasses and tektites. Earth Planet. Sci. Lett. 2, 83-86.
معلومات المراجع
| العنوان | Short Papers of the Fourth International Conference, Geochronology, Cosmochronology, Isotope Geology, 1978 المجلد 78،العدد 701 من Geological Survey open-file report المجلد 78،العدد 701 من Open-file report, Geological Survey (U.S.). United States. bGeological Survey. tOpen-file report, v78-701 |
| المُحرر | Robert E. Zartman |
| الناشر | U.S. Department of Interior, Geological Survey, 1978 |
| عدد الصفحات | 476 من الصفحات |
| تصدير الاقتباس | BiBTeX EndNote RefMan |