Researcher
Gelvam Hartmann
Universidade Estadual de Campinas Instituto de Geociências
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4 papers found
All papers authored by Gelvam Hartmann
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2023
Thiago R. Moncinhatto 
,
Wellington P. de Oliveira ,
Mauricio B. Haag,
Gelvam A. Hartmann ,
Jairo F. Savian,
Wilbor Poletti,
Daniele Brandt ,
Carlos A. Sommer,
Alberto T. Caselli,
Ricardo I. F. Trindade
,
Wellington P. de Oliveira ,
Mauricio B. Haag,
Gelvam A. Hartmann ,
Jairo F. Savian,
Wilbor Poletti,
Daniele Brandt ,
Carlos A. Sommer,
Alberto T. Caselli,
Ricardo I. F. Trindade
Palaeosecular variation in Northern Patagonia recorded by 0–5 Ma Caviahue–Copahue lava flows
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2021
Wellington P. Oliveira,
Wellington P. de Oliveira ,
Gelvam A. Hartmann ,
Filipe Terra‐Nova ,
Daniele Brandt ,
Andrew J. Biggin ,
Yael A. Engbers ,
Richard K. Bono ,
Jairo F. Savian ,
Daniel R. Franco ,
Ricardo I. F. Trindade ,
Thiago R. Moncinhatto
,
Gelvam A. Hartmann ,
Filipe Terra‐Nova ,
Daniele Brandt ,
Andrew J. Biggin ,
Yael A. Engbers ,
Richard K. Bono ,
Jairo F. Savian ,
Daniel R. Franco ,
Ricardo I. F. Trindade ,
Thiago R. Moncinhatto
Paleosecular Variation and the Time‐Averaged Geomagnetic Field Since 10 Ma
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2018
Ricardo I. F. Trindade ,
Plinio Jaqueto,
Filipe Terra-Nova,
Daniele Brandt ,
Gelvam A. Hartmann ,
Joshua M. Feinberg ,
Becky E. Strauss,
Valdir F. Novello ,
Francisco W. Cruz,
Ivo Karmann,
Hai Cheng ,
R. Lawrence Edwards
,
Plinio Jaqueto,
Filipe Terra-Nova,
Daniele Brandt ,
Gelvam A. Hartmann ,
Joshua M. Feinberg ,
Becky E. Strauss,
Valdir F. Novello ,
Francisco W. Cruz,
Ivo Karmann,
Hai Cheng ,
R. Lawrence Edwards
Speleothem record of geomagnetic South Atlantic Anomaly recurrence
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