Articles | Volume 6, issue 1
Solid Earth, 6, 227–241, 2015
Solid Earth, 6, 227–241, 2015

Research article 19 Feb 2015

Research article | 19 Feb 2015

Volcanological aspects of the northwest region of Paraná continental flood basalts (Brazil)

F. Braz Machado et al.

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Cited articles

Almeida F. F. M., Carneiro, C. S. R., and Bartorelli, A.: Magmatismo pós-paleozoico no Brasil, in: Geologia do Brasil, edited by: Hasui, Y., Carneiro, C. D. R., Almeida F. F. M., and Bartorelli, A., Beca Ed., 430–452, 2012.
Bellieni, G., Comin-chiaramonti, P., Marques, L. S., Melfi, A. J., Piccirilo, E. M., Nardy, A. J. R., and Roisenberg, A.: High- and low-Ti flood basalts from the Paraná plateou (Brazil): petrology end geochemical aspects bearing on their mantle origin, Neues Jahr. Miner. Abh., 150, 272–306, 1984.
Bellieni, G., Comin-Chiaramonti, P., Marques, L. S., Melfi, A. J., Nardy, A. J. R., Papatrechas, C., Piccirillo, E. M., and Roisenberg, A.: Petrogenetic aspects of acid and basaltic lavas from the Paraná plateau (Brazil): geological, mineralogical and petrochemical relationships, J. Petrol., 27, 915–944, 1986.
Bondre, N. R., Duraiswani A., and Dole, G.: Morphology and emplacement of flows from the Deccan Volcanic Province, India, Bull Volcanol., 66, 29–45, 2004.
Cas, R. A. F., Edgar, C., Allen, R. L., Bull, S., Clifford, B. A., Giordano, G., and Wright, J. V.: Influence of magmatismo and tectonics on sedimentation in a extensional lake basin: the Upper Devonian Bunga Beds, Boyd Volcanic Complex, southeastern Australia, in: Volcanoclastic Sedimentation in Lacustrine Settings, edited by: White, J. D. L. and Riggs, N. R., Int. Assoc. Sediment. Spec. Publi. 30, 83–108, 2001
Short summary
This study describes for the first time morphological aspects of lava flows and structural characteristics caused by lava-sediment interaction in the northwestern Paraná continental flood basalts in the southeast of the South American Plate (Brazil). Early Cretaceous (134 to 132Ma) tholeiitic rocks were emplaced on a large intracratonic Paleozoic sedimentary basin (Paraná Basin), mainly covering dry eolian sandstones (Botucatu Formation).