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Margot Guerra Sommer
Margot Guerra Sommer
Professor of Geoscience Institute Federal University of Rio Grande do Sul
Verified email at ufrgs.br - Homepage
Title
Cited by
Cited by
Year
The burning of Gondwana: Permian fires on the southern continent—a palaeobotanical approach
A Jasper, M Guerra-Sommer, AMBA Hamad, M Bamford, ...
Gondwana Research 24 (1), 148-160, 2013
1042013
Which name (s) should be used for Araucaria‐like fossil wood?—Results of a poll
R Rößler, M Philippe, JHA van Konijnenburg-van Cittert, S McLoughlin, ...
Taxon 63 (1), 177-184, 2014
912014
Radiometric age determination of tonsteins and stratigraphic constraints for the Lower Permian coal succession in southern Paraná Basin, Brazil
M Guerra-Sommer, M Cazzulo-Klepzig, JOS Santos, LA Hartmann, ...
International Journal of Coal Geology 74 (1), 13-27, 2008
882008
U–Pb dating of tonstein layers from a coal succession of the southern Paraná Basin (Brazil): a new geochronological approach
M Guerra-Sommer, M Cazzulo-Klepzig, MLL Formoso, R Menegat, ...
Gondwana Research 14 (3), 474-482, 2008
842008
Geochronological data from the Faxinal coal succession, southern Paraná Basin, Brazil: a preliminary approach combining radiometric U-Pb dating and palynostratigraphy
M Guerra-Sommer, M Cazzulo-Klepzig, R Menegat, MLL Formoso, ...
Journal of South American Earth Sciences 25 (2), 246-256, 2008
672008
Depositional cyclicity and paleoecological variability in an outcrop of Rio Bonito formation, Early Permian, Paraná Basin, Rio Grande do Sul, Brazil
A Jasper, R Menegat, M Guerra-Sommer, M Cazzulo-Klepzig, ...
Journal of South American Earth Sciences 21 (3), 276-293, 2006
652006
Biostratigraphy of the Southern Brazilian Neopaleozoic Gondwana Sequence: a preliminary palaeobotanical approach
M Guerra-Sommer, M Cazzulo-Klepzig
International Congrès de la Stratigraphie et Géologie du Carbonifère et …, 1993
601993
Palaeobotanical evidence of wildfires in the late palaeozoic of South America–early permian, rio bonito formation, Paraná basin, Rio Grande do Sul, Brazil
A Jasper, D Uhl, M Guerra-Sommer, V Mosbrugger
Journal of South American Earth Sciences 26 (4), 435-444, 2008
592008
Upper Paleozoic charcoal remains from South America: multiple evidences of fire events in the coal bearing strata of the Paraná Basin, Brazil
A Jasper, D Uhl, M Guerra-Sommer, MEC Bernardes-de-Oliveira, ...
Palaeogeography, Palaeoclimatology, Palaeoecology 306 (3-4), 205-218, 2011
572011
Geochronological correlation of the main coal interval in Brazilian Lower Permian: Radiometric dating of tonstein and calibration of biostratigraphic framework
MW Simas, M Guerra-Sommer, M Cazzulo-Klepzig, R Menegat, ...
Journal of South American Earth Sciences 39, 1-15, 2012
552012
Palynology and palaeobotany in the reconstruction of landscape units from the Candiota Coalfield, Permian of Paraná Basin, Brazil
M Cazzulo-Klepzig, R Menegat, M Guerra-Sommer
Revista Brasileira de Paleontologia 8 (1), 83-98, 2005
452005
Original biomass and coal deposition in southern Brazil (Lower Permian, Paraná Basin)
M Guerra-Sommer, M Marques-Toigo, Z Corrêa da Silva
Bulletin de la Societe Geologique de France;(France) 162 (2), 1991
451991
Charcoalified logs as evidence of hypautochthonous/autochthonous wildfire events in a peat-forming environment from the Permian of southern Paraná Basin (Brazil)
I Degani-Schmidt, M Guerra-Sommer, J de Oliveira Mendonça, ...
International Journal of Coal Geology 146, 55-67, 2015
432015
Late Triassic climate in southernmost Parana Basin (Brazil): evidence from dendrochronological data
EF Pires, MG Sommer, CM dos Santos Scherer
Journal of South American Earth Sciences 18 (2), 213-221, 2005
422005
Extending the database of permian palaeo-wildfire on Gondwana: charcoal remains from the Rio do Rasto Formation (Paraná Basin), middle permian, Rio Grande do Sul State, Brazil
J Manfroi, D Uhl, M Guerra-Sommer, H Francischini, AG Martinelli, ...
Palaeogeography, palaeoclimatology, palaeoecology 436, 77-84, 2015
402015
Palaeobotanical evidence of wildfires in the Upper Permian of India: macroscopic charcoal remains from the Raniganj Formation, Damodar Valley Basin
A Jasper, M Guerra-Sommer, D Uhl, MEC Bernardes-de-Oliveira, ...
The Palaeobotanist 61 (1), 75-82, 2012
372012
Early Cretaceous coniferous woods from a paleoerg (Paraná Basin, Brazil)
EF Pires, M Guerra-Sommer, CM dos Santos Scherer, AR dos Santos, ...
Journal of South American Earth Sciences 32 (1), 96-109, 2011
362011
The Botrychiopsis genus and its biostratigraphic implications in Southern Paraná Basin
A Jasper, M Guerra-Sommer, M Cazzulo-Klepzig, R Menegat
Anais da Academia Brasileira de Ciências 75, 513-535, 2003
342003
Afloramentos da área de Trombudo Central, Permiano Inferior, Santa Catarina: palinologia, icnologia e sedimentologia
M Marques-Toigo, ME Dias-Fabrício, M Guerra-Sommer, ...
CONGRESSO BRASILEIRO DE PALEONTOLOGIA 11 (1989), 43-44, 1989
331989
Growth ring analysis of fossil coniferous woods from early cretaceous of Araripe Basin (Brazil)
EF Pires, M Guerra-Sommer
Anais da Academia Brasileira de Ciências 83, 409-423, 2011
322011
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