Biblioteca Digital

33 resultados para Contaminação por Pb

Re-appraisal of the stratigraphy and determination of new U-Pb dates for the Sterkfontein hominin site, South Africa

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Constraints on the U-Pb systematics of metamorphic rutile from in situ LA-ICP-MS analysis

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U-Pb and Lu-Hf isotope systematics of lower crust from central-southern Mexico - Geodynamic significance of Oaxaquia in a Rodinia Realm

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U-Pb dating of calcite-aragonite layers in speleotherms from hominin sites in South Africa by MC-ICP-MS

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Measurement of the inclusive isolated prompt photon cross-section in pp collisions at sqrt(s)= 7 TeV using 35 pb-1 of ATLAS data

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Search for Diphoton Events with Large Missing Transverse Energy with 36 pb^-1 of 7 TeV Proton-Proton Collision Data with the ATLAS Detector

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Evaluation of the 87Rb decay constant by age comparison against the U-Pb system

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Precambrian sources of Early Paleozoic SE Gondwana sediments as deduced from combined Lu-Hf and U-Pb systematics of detrital zircons, Takaka and Buller terrane, South Island, New Zealand

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Response of the U-Pb chronometer and trace elements in zircon to ultrahigh-temperature metamorphism: the Kadavur anorthosite complex, southern India

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Ore genesis of Pb-Zn deposits in the Nappe zone of Northern Tunisia: constraints from Pb-S-C-O isotopic systems

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Origin of Meso-Proterozoic post-collisional leucogranite suites (Kaokoveld, Namibia): constraints from geochronology and Nd, Sr, Hf, and Pb isotopes

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U-Pb dating of zircon by laser ablation ICP-MS: recent improvements and new insights

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Where did the lower Paleozoic rocks of Yucatan come from? A U-Pb, Lu-Hf, and Sm-Nd isotope study

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Discovery of an albite gneiss from the Ile de Groix (Armorican Massif, France): geochemistry and LA-ICP-MS U-Pb geochronology of its Ordovician protolith

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Allanite micro-geochronology: A LA-ICP-MS and SHRIMP U-Th-Pb study

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