Now showing items 1-4 of 4
Permian endemic bivalves of the Irati anoxic event, Parana Basin, Brazil: Taphonomical, paleogeographical and evolutionary implications
(Palaeogeography Palaeoclimatology Palaeoecology, 2017-03-01) [Artigo]
Anoxic to dysoxic conditions must have existed in the Parana Basin during the deposition of the Permian oil-bearing shales of the Irati Formation, reflecting the marine isolation of the basin from the Panthalassic Ocean. ...
Paleoecology and paleoenvironments of Permian bivalves of the Serra Alta Formation, Brazil: Ordinary suspension feeders or Late Paleozoic Gondwana seep organisms?
(Journal Of South American Earth Sciences, 2017-08-01) [Artigo]
This is the first record of a Permian seep deposit and an associated, morphologically bizarre, bivalve-dominated fauna from the Passa Dois Group, Parana Basin, Brazil. Shales of the outer-shelf facies of the Serra Alta ...
Late Quaternary Cuiabá megafan, Brazilian Pantanal: Channel patterns and paleoenvironmental changes
(Quaternary International, 2017-05-05) [Artigo]
The Brazilian Pantanal wetlands comprise some of the largest Quaternary megafans in South America. The origin of these megafans has been linked to climate changes during the Late Quaternary. This study focuses on the Cuiabá ...
CALCULATING BEDLOAD TRANSPORT IN RIVERS: CONCEPTS, CALCULUS ROUTINES AND APPLICATION
(Revista Brasileira De Geomorfologia, 2017-10-01) [Artigo]
Rivers are immensely important to human activities such as water supply, navigation, energy generation, and agriculture. They are also an important morphodynamic agent of erosion, transport and deposition. Their capacity ...