Showing 1 - 14 results of 14 for search 'Léo A. Hartmann', query time: 0.05s Refine Results
  1. 1
    Flow-by-flow chemical stratigraphy and evolution of thirteen Serra Geral Group basalt flows from Vista Alegre, southernmost Brazil

    Flow-by-flow chemical stratigraphy and evolution of thirteen Serra Geral Group basalt flows from Vista Alegre, southernmost Brazil by Viter M Pinto, Léo A Hartmann

    Published 2011-06-01
    Get full text
    Article
  2. 2
    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
    Get full text
    Article
  3. 3
    Evolution of the redox-altered, two-tiered Muralha Flow in the Fronteira Oeste Rift, southern Paraná Volcanic Province

    Evolution of the redox-altered, two-tiered Muralha Flow in the Fronteira Oeste Rift, southern Paraná Volcanic Province by LÉO A. HARTMANN, LEONARDO CARDOSO RENNER, EDUARDA KLABUNDE

    Published 2024-04-01
    Get full text
    Article
  4. 4
    Stratigraphy of amethyst geode-bearing lavas and fault-block structures of the Entre Rios mining district, Paraná volcanic province, southern Brazil

    Stratigraphy of amethyst geode-bearing lavas and fault-block structures of the Entre Rios mining district, Paraná volcanic province, southern Brazil by LÉO A. HARTMANN, LUCAS M. ANTUNES, LEONARDO M. ROSENSTENGEL

    Published 2014-03-01
    Get full text
    Article
  5. 5
    Paralavas in the Cretaceous Paraná volcanic province, Brazil - A genetic interpretation of the volcanic rocks containing phenocrysts and glass

    Paralavas in the Cretaceous Paraná volcanic province, Brazil - A genetic interpretation of the volcanic rocks containing phenocrysts and glass by SÉRGIO B. BAGGIO, LÉO A. HARTMANN, ROSA M.S. BELLO

    Get full text
    Article
  6. 6
    Integrated evaluation of the geology, aerogammaspectrometry and aeromagnetometry of the Sul-Riograndense Shield, southernmost Brazil

    Integrated evaluation of the geology, aerogammaspectrometry and aeromagnetometry of the Sul-Riograndense Shield, southernmost Brazil by LÉO A. HARTMANN, WILLIAM R. LOPES, JAIRO F. SAVIAN

    Published 2016-03-01
    Get full text
    Article
  7. 7
    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
    Get full text
    Article
  8. 8
    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
    Get full text
    Article
  9. 9
    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
    Get full text
    Article
  10. 10
    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
    Get full text
    Article
  11. 11
    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
    Get full text
    Article
  12. 12
    SHRIMP U-Pb zircon dating of Pedras Grandes Suite, southern Santa Catarina State, Brazil

    SHRIMP U-Pb zircon dating of Pedras Grandes Suite, southern Santa Catarina State, Brazil by Andréa R. Jelinek, Artur C. Bastos-Neto, Jayme A.D. Leite, Léo A. Hartmann, Neal J. McNaughton

    Published 2005-03-01
    Get full text
    Article
  13. 13
    Relation between the sedimentary organic record and the climatic oscilations in the Holocene attested by palynofacies and organic geochemical analyses from a pond of altitude in southern Brazil

    Relation between the sedimentary organic record and the climatic oscilations in the Holocene attested by palynofacies and organic geochemical analyses from a pond of altitude in so... by GABRIELLI T. GADENS-MARCON, JOÃO G. MENDONÇA-FILHO, MARGOT GUERRA-SOMMER, MARCELO A. CARVALHO, ETIENE F. PIRES, LÉO A. HARTMANN

    Published 2014-09-01
    Get full text
    Article
  14. 14
    Proto-Adamastor ocean crust (920 Ma) described in Brasiliano Orogen from coetaneous zircon and tourmaline

    Proto-Adamastor ocean crust (920 Ma) described in Brasiliano Orogen from coetaneous zircon and tourmaline by Léo A. Hartmann, Mariana Werle, Cassiana R.L. Michelin, Cristiano Lana, Gláucia N. Queiroga, Marco P. Castro, Karine R. Arena

    Published 2019-07-01
    Get full text
    Article

Search Tools: