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50
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3464
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Overview

Léo Afraneo Hartmann is affiliated with the Federal University of Rio Grande do Sul in Brazil. Their research spans multiple disciplines, primarily focusing on Earth and Planetary Sciences and Computer Science. Within these broader fields, their work centers on subfields such as Geophysics, Artificial Intelligence, Earth-Surface Processes, Geochemistry and Petrology, and Water Science and Technology.

The scientist's research includes a range of topics, with major emphasis on:

  • Geological and Geochemical Analysis
  • Geochemistry and Geologic Mapping
  • Earthquake and tectonic studies
  • Geological formations and processes
  • Geography and Environmental Studies
  • Hydrocarbon exploration and reservoir analysis
  • Paleontology and Stratigraphy of Fossils

Hartmann has contributed to several recent publications, showcasing insights into geological processes and tectonics in South America. Notable papers include:

  • "Multi-proxy evidence for subduction of the Neoproterozoic Adamastor Ocean and Wilson cycle tectonics in the South Atlantic Brasiliano Orogenic System of Western Gondwana," 2022, Precambrian Research
  • "Integration of elemental and isotope data supports a Neoproterozoic Adamastor Ocean realm," 2021, Geochemical Perspectives Letters
  • "Integrated ophiolite and arc evolution, southern Brasiliano Orogen," 2020, Precambrian Research
  • "Kyanite-garnet granulite from the Andrelândia nappe system, Brasília belt, registers two late Neoproterozoic metamorphic cycles," 2021, Precambrian Research
  • "Oceanic crust and mantle evidence for the evolution of Tonian-Cryogenian ophiolites, southern Brasiliano Orogen," 2020, Precambrian Research

The scientist regularly collaborates with other researchers. Frequent co-authors include:

  • T. Cerva-Alves
  • Cristiano Lana
  • Gláucia Queiroga
  • Marco Paulo de Castro
  • Sandro Kucera Duarte

Hartmann's work has been published mainly in a set of journals within Earth sciences and geology. The most frequent publication venues are:

  • Precambrian Research
  • Journal of South American Earth Sciences
  • Brazilian Journal of Geology
  • Anais da Academia Brasileira de Ciências
  • Geomorphology

Best Publications

  • A New Understanding of the Provinces of the Amazon Craton Based on Integration of Field Mapping and U-Pb and Sm-Nd Geochronology

    João Orestes Schneider Santos;Léo Afraneo Hartmann;Henri Eugene Gaudette;David Ian Groves

  • The neoproterozoic Mantiqueira Province and its African connections: a zircon-based U-Pb geochronologic subdivision for the Brasiliano/Pan-African systems of orogens

    Luiz Carlos da Silva;Neal J. McNaughton;Richard Armstrong;Léo Afraneo Hartmann

  • JUVENILE ACCRETION AT 750-700 MA IN SOUTHERN BRAZIL

    Marly Babinski;Farid Chemale Jr.;Leo Afraneo Hartmann;W. R. Van Schmus

  • U-Pb and Sm-Nd geochronology of the neoproterozoic granitic-gneissic Dom Feliciano belt, Southern Brazil

    Marly Babinski;Farid Chemale;W.R. Van Schmus;Leo Afrâneo Hartmann

  • Advances in SHRIMP geochronology and their impact on understanding the tectonic and metallogenic evolution of southern Brazil

    L.A. Hartmann;J.A.D. Leite;L.C. Da Silva;M.V.D. Remus

  • Age and autochthonous evolution of the Sunsás Orogen in West Amazon Craton based on mapping and U–Pb geochronology

    J.O.S. Santos;G.J. Rizzotto;P.E. Potter;N.J. McNaughton

  • Age, source, and regional stratigraphy of the Roraima Supergroup and Roraima-like outliers in northern South America based on U-Pb geochronology

    João Orestes Schneider Santos;Paul Edwin Potter;Nélson Joaquim Reis;Léo Afraneo Hartmann

  • Provenance and age delimitation of Quadrilátero Ferrífero sandstones based on zircon U-Pb isotopes

    Leo Afraneo Hartmann;Issamu Endo;Marcos Tadeu de Freitas Suita;João Orestes Schneider Santos

  • Archean crust in the Rio de la Plata Craton, Uruguay — SHRIMP U–Pb zircon reconnaissance geochronology

    Léo A Hartmann;Néstor Campal;João Orestes S Santos;Neal J McNaughton

  • Duration of the Trans-Amazonian Cycle and Its Correlation within South America Based on U-Pb SHRIMP Geochronology of the La Plata Craton, Uruguay

    João Orestes Schneider Santos;Léo Afraneo Hartmann;Jorge Bossi;Néstor Campal

  • Gold deposits of the Tapajós and Alta Floresta Domains, Tapajós-Parima orogenic belt, Amazon Craton, Brazil

    João Orestes Schneider dos Santos;David Ian Groves;Léo Afraneo Hartmann;Márcia Abrahão Moura

  • Zircon and titanite U-Pb SHRIMP geochronology of Neoproterozoic felsic magmatism on the eastern border of the Rio de la Plata Craton, Uruguay

    Léo A Hartmann;João Orestes S Santos;Jorge Bossi;Néstor Campal

  • Multiple accretion at the eastern margin of the Rio de la Plata craton: the prolonged Brasiliano orogeny in southernmost Brazil

    K. Saalmann;A. Gerdes;Y. Lahaye;L. A. Hartmann

  • Zircon U–Pb geochronology from the Paraná bimodal volcanic province support a brief eruptive cycle at ~ 135 Ma

    Viter Magalhães Pinto;Léo Afraneo Hartmann;João Orestes S. Santos;Neal Jesse McNaughton

  • Predominance of high Th/U, magmatic zircon in Brazilian Shield sandstones

    Léo Afraneo Hartmann;João Orestes S. Santos

  • Timing and evolution of multiple Paleoproterozoic magmatic arcs in the Tapajós Domain, Amazon Craton: constraints from SHRIMP and TIMS zircon, baddeleyite and titanite U-Pb geochronology

    J.O. Santos;O.B. Van Breemen;David Groves;L.A. Hartmann

  • Late- to post-orogenic basins of the Pan-African – Brasiliano collision orogen in southern Africa and southern Brazil

    P. G. Gresse;F. Chemale;L. C. Da Silva;F. Walraven

  • Sm–Nd isotope geochemistry of metamorphic volcano-sedimentary successions in the São Gabriel Block, southernmost Brazil: evidence for the existence of juvenile Neoproterozoic oceanic crust to the east of the Rio de la Plata craton

    K. Saalmann;L.A. Hartmann;M.V.D. Remus;E. Koester

  • SHRIMP U/Pb Zircon Dating of Neoproterozoic Granitic Magmatism and Collision in the Pelotas Batholith, Southernmost Brazil

    Luiz Carlos Da Silva;Léo Afraneo Hartmann;Neal Jesse Mcnaughton;Ian R. Fletcher

  • Timing of mafic magmatism in the Tapajós Province (Brazil) and implications for the evolution of the Amazon Craton: evidence from baddeleyite and zircon U–Pb SHRIMP geochronology

    João Orestes Schneider Santos;Léo Afraneo Hartmann;Neal Jesse McNaughton;Ian Robert Fletcher

Frequent Co-Authors

Neal J. McNaughton
Neal J. McNaughton Curtin University
João Orestes Schneider Santos
João Orestes Schneider Santos University of Western Australia
Cristiano Lana
Cristiano Lana Stellenbosch University
Ian R. Fletcher
Ian R. Fletcher Curtin University
Hans-Joachim Massonne
Hans-Joachim Massonne University of Stuttgart
David I. Groves
David I. Groves University of Western Australia
Farid Chemale
Farid Chemale Universidade do Vale do Rio dos Sinos
Ruy Paulo Philipp
Ruy Paulo Philipp Federal University of Rio Grande do Sul
Ian R. Fletcher
Ian R. Fletcher Curtin University
Colombo Celso Gaeta Tassinari
Colombo Celso Gaeta Tassinari Universidade de São Paulo

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