Showing 1 - 7 results of 7 for search 'João O.S. Santos', query time: 0.05s Refine Results
  1. 1
    Chemical classification of common volcanic rocks based on degree of silica saturation and CaO/K2O ratio

    Chemical classification of common volcanic rocks based on degree of silica saturation and CaO/K2O ratio by JOÃO O.S. SANTOS, LÉO A. HARTMANN

    Published 2021-07-01
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  2. 2
    Tectonic evolution of the southern margin of the Amazonian craton in the late Mesoproterozoic based on field relationships and zircon U-Pb geochronology

    Tectonic evolution of the southern margin of the Amazonian craton in the late Mesoproterozoic based on field relationships and zircon U-Pb geochronology by GILMAR J. RIZZOTTO, LÉO A. HARTMANN, JOÃO O.S. SANTOS, NEAL J. MCNAUGHTON

    Published 2014-03-01
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  3. 3
    Zircon ages delimit the provenance of a sand extrudite from the Botucatu Formation in the Paraná volcanic province, Iraí, Brazil

    Zircon ages delimit the provenance of a sand extrudite from the Botucatu Formation in the Paraná volcanic province, Iraí, Brazil by VITER M. PINTO, LÉO A. HARTMANN, JOÃO O.S. SANTOS, NEAL J. MCNAUGHTON

    Published 2015-09-01
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  4. 4
    Protolith age of Santa Maria Chico granulites dated on zircons from an associated amphibolite-facies granodiorite in southernmost Brazil

    Protolith age of Santa Maria Chico granulites dated on zircons from an associated amphibolite-facies granodiorite in southernmost Brazil by Léo A. Hartmann, Dunyi Liu, Yenbin Wang, Hans-Joachim Massonne, João O.S. Santos

    Published 2008-09-01
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  5. 5
    Combined U-Pb SHRIMP and Hf isotope study of the Late Paleozoic Yaminué Complex, Rio Negro Province, Argentina: Implications for the origin and evolution of the Patagonia composite terrane

    Combined U-Pb SHRIMP and Hf isotope study of the Late Paleozoic Yaminué Complex, Rio Negro Province, Argentina: Implications for the origin and evolution of the Patagonia composite... by Carlos J. Chernicoff, Eduardo O. Zappettini, João O.S. Santos, Neal J. McNaughton, Elena Belousova

    Published 2013-01-01
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  6. 6
    Metamorphic evolution and U-Pb zircon SHRIMP geochronology of the Belizário ultramafic amphibolite, Encantadas Complex, southernmost Brazil

    Metamorphic evolution and U-Pb zircon SHRIMP geochronology of the Belizário ultramafic amphibolite, Encantadas Complex, southernmost Brazil by Léo A. Hartmann, João O.S. Santos, Jayme A.D. Leite, Carla C. Porcher, Neal J. Mcnaughton

    Published 2003-09-01
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  7. 7
    Ion microprobe (SHRIMP) dates complex granulite from Santa Catarina, southern Brazil

    Ion microprobe (SHRIMP) dates complex granulite from Santa Catarina, southern Brazil by LÉO A. HARTMANN, JOÃO O. S. SANTOS, NEAL J. McNAUGHTON, MARCOS A. Z. VASCONCELLOS, LUIZ C. DASILVA

    Published 2000-12-01
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