Sequence Stratigraphy and Coal Petrology Applied to the Early Permian Coal-bearing Rio Bonito Formation, Paraná Basin, Brazil

2004 ◽  
pp. 147-167 ◽  
Keyword(s):  
Sequence Stratigraphy ◽  
Early Permian ◽  
Paraná Basin ◽  
Permian Coal ◽  
Coal Petrology ◽  
Parana Basin

scholarly journals Charcoal remains from a tonstein layer in the Faxinal Coalfield, Lower Permian, southern Paraná Basin, Brazil

2011 ◽  
Vol 83 (2) ◽  
pp. 471-481 ◽  
Author(s):  
André Jasper ◽  
Dieter Uhl ◽  
Margot Guerra-Sommer ◽  
Abdalla M. B Abu Hamad ◽  
Neli T. G Machado
Keyword(s):  
Lower Permian ◽  
Published Data ◽  
Early Permian ◽  
Ash Fall ◽  
Potential Source ◽  
Volcanic Events ◽  
Paraná Basin ◽  
Surrounding Areas ◽  
Parana Basin

Fossil charcoal has been discovered in the Faxinal Coalfield, Early Permian, Rio Bonito Formation, in the southernmost portion of the Paraná Basin, Brazil. Three types of pycnoxylic gymnosperm woods recovered from a single tonstein layer are described and confirm the occurrence of paleowildfire in this area. A decrease of the charcoal concentration from the base to the top within the tonstein layer indicates that the amount of fuel declined during the deposition probably due to the consumption of vegetation by the fire. The presence of inertinite in coals overlying and underlying the tonstein layer indicates that fire-events were not restricted to the ash fall interval. The integration of the new data presented in the current study with previously published data for the Faxinal Coalfield demonstrates that volcanic events that occurred in the surrounding areas can be identified as one potential source of ignition for the wildfires. The presence of charcoal in Permian sediments associated with coal levels at different localities demonstrates that wildfires have been relatively common events in the peat-forming environments in which the coal formation took place in the Paraná Basin.

Thermal and depositional history of Early-Permian Rio Bonito Formation of southern Paraná Basin – Brazil

2020 ◽  
Vol 228 ◽  
pp. 103554
Author(s):  
Marcos Müller Bicca ◽  
Wolfgang Kalkreuth ◽  
Taís Freitas da Silva ◽  
Christie Helouise Engelmann de Oliveira ◽  
Frederico Antonio Genezini
Keyword(s):  
Early Permian ◽  
Depositional History ◽  
History Of ◽  
Paraná Basin ◽  
Parana Basin
Sign in / Sign up

Export Citation Format

Share Document