Aptian shell beds from the Romualdo Formation (Araripe Basin): Implications for paleoenvironment and paleogeographical reconstruction of the Northeast of Brazil
Kroth, Mateus, Borghi, Leonardo, Bobco, Fabia E.R., Araújo, Bruno Cesar, Silveira, Luís Fernando, Duarte, Guilherme, Ferreira, Laís de Oliveira, Guerra-Sommer, Margot, Mendonça, Joalice de Oliveira
Published in Sedimentary geology (01.12.2021)
Published in Sedimentary geology (01.12.2021)
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Journal Article
The burning of Gondwana: Permian fires on the southern continent—A palaeobotanical approach
Jasper, André, Guerra-Sommer, Margot, Abu Hamad, Abdalla M.B., Bamford, Marion, Bernardes-de-Oliveira, Mary Elizabeth Cerruti, Tewari, Rajni, Uhl, Dieter
Published in Gondwana research (01.07.2013)
Published in Gondwana research (01.07.2013)
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Journal Article
Epidermal morphology of the cordaitalean leaf Noeggerathiopsis brasiliensis nom. nov. from the southern Paraná Basin (Lower Permian, Rio Bonito Formation) and paleoenvironmental considerations
Degani-Schmidt, Isabela, Guerra-Sommer, Margot
Published in Brazilian journal of geology (01.01.2019)
Published in Brazilian journal of geology (01.01.2019)
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Journal Article
Geochronological correlation of the main coal interval in Brazilian Lower Permian: Radiometric dating of tonstein and calibration of biostratigraphic framework
Simas, Margarete Wagner, Guerra-Sommer, Margot, Cazzulo-Klepzig, Miriam, Menegat, Rualdo, Schneider Santos, João Orestes, Fonseca Ferreira, José Alcides, Degani-Schmidt, Isabela
Published in Journal of South American earth sciences (01.11.2012)
Published in Journal of South American earth sciences (01.11.2012)
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Journal Article
Growth ring analysis of fossil coniferous woods from early cretaceous of Araripe Basin
Pires, Etiene F, Guerra-Sommer, Margot
Published in Anais da Academia Brasileira de Ciências (01.06.2011)
Published in Anais da Academia Brasileira de Ciências (01.06.2011)
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Journal Article
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
GADENS-MARCON, GABRIELLI T., MENDONÇA-FILHO, JOÃO G., GUERRA-SOMMER, MARGOT, CARVALHO, MARCELO A., PIRES, ETIENE F., HARTMANN, LÉO A.
Published in Anais da Academia Brasileira de Ciências (01.09.2014)
Published in Anais da Academia Brasileira de Ciências (01.09.2014)
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Journal Article
Geochronological data from the Faxinal coal succession, southern Paraná Basin, Brazil: A preliminary approach combining radiometric U-Pb dating and palynostratigraphy
Guerra-Sommer, Margot, Cazzulo-Klepzig, Miriam, Menegat, Rualdo, Formoso, Milton Luiz Laquintinie, Basei, Miguel Ângelo Stipp, Barboza, Eduardo Guimarães, Simas, Margarete Wagner
Published in Journal of South American earth sciences (01.03.2008)
Published in Journal of South American earth sciences (01.03.2008)
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Journal Article
The Artinskian Siderópolis Member macroflora, Rio Bonito Formation and its stratigraphical correlation with other early Permian macrofloras of Paraná Basin, Brazil
Mary Elizabeth Cerruti Bernardes-de-Oliveira, Sandra Eiko Mune, Maria Judite Garcia, Roberto Iannuzzi, Margot Guerra-Sommer, André Jasper, Pauline Sabina Kavali, Mahesh Shivanna, Karoline Gonçalves Pereira
Published in Geologia USP. Série Científica (01.12.2016)
Published in Geologia USP. Série Científica (01.12.2016)
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Journal Article
Charcoal remains from a tonstein layer in the Faxinal Coalfield, Lower Permian, southern Paraná Basin, Brazil
Jasper, André, Uhl, Dieter, Guerra-Sommer, Margot, Abu Hamad, Abdalla M. B, Machado, Neli T. G
Published in Anais da Academia Brasileira de Ciências (01.06.2011)
Published in Anais da Academia Brasileira de Ciências (01.06.2011)
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Journal Article
Indo-Brazilian Late Palaeozoic wildfires: an overview on macroscopic charcoal
André Jasper, Dieter Uhl, Rajni Tewari, Margot Guerra-Sommer, Rafael Spiekermann, Joseline Manfroi, Isa Carla Osterkamp, José Rafael Wanderley Benício, Mary Elizabeth Cerruti Bernardes-de-Oliveira, Etiene Fabbrin Pires, Átila Augusto Stock da Rosa
Published in Geologia USP. Série Científica (01.12.2016)
Published in Geologia USP. Série Científica (01.12.2016)
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Journal Article
Stomatal numbers of Pseudofrenelopsis capillata (Cheirolepidiaceae, Coniferales) in the peri-equatorial late Aptian Crato Formation (Santana group, Araripe Basin, Brazil) and their paleoclimatic and paleoenvironmental significance
Degani-Schmidt, Isabela, Guerra-Sommer, Margot, Carvalho, Ismar de Souza
Published in Journal of South American earth sciences (01.06.2023)
Published in Journal of South American earth sciences (01.06.2023)
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Journal Article
Coricladus quiteriensis gen. et sp. nov., a new conifer in Southern-Brazil Gondwana
Jasper, André, Ricardi-Branco, Fresia, Guerra-Sommer, Margot
Published in Anais da Academia Brasileira de Ciências (01.03.2005)
Published in Anais da Academia Brasileira de Ciências (01.03.2005)
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