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Un registro de la actividad de ventilación subacuática del Pérmico en el sureste de Brasil
Jorge Kazuo Yamamoto1, Thomas Rich Fairchild, Paulo Cesar Boggiani
1Institute of Geosciences, University of São Paulo, Rua do Lago, 562, CEP 05508-080, São Paulo, Brazil. jkyamamo@usp.br
Nature
|November 11, 2005
Resumen
Anteriormente se pensaba que más de 4.500 montículos siliciosos en Brasil eran estromatolitos. Una nueva investigación sugiere que estas estructuras geológicas son el resultado de la actividad subacuática del Permiano Tardío.
Área de la Ciencia:
- Geología Geología Geología.
- Paleontología Paleontología.
- La sedimentología sedimentológica.
Sus antecedentes:
- Se descubrió un gran campo de más de 4.500 montículos silícicos cónicos en la cuenca del Paraná, Brasil.
- Estas estructuras, de hasta 2 metros de altura, se suponía inicialmente que eran estromatolitos formados en un mar poco profundo.
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