Buscar
Mostrando ítems 11-20 de 113
Ciclos e seqüências deposicionais das formações Rio da Batateira e Santana (Andar Alagoas), Bacia do Araripe, Brasil
(2006-12-01)
The Rio da Batateira e Santana formations, the latter with Crato, Ipubi and Romualdo members (Alagoas Stage, Aptian), were studied in four cored and logged wells from the eastern portion of Araripe Basin, Northeastern ...
A seqüência mafra superior \ Rio Do Sul inferior (Grupo itararé, permocarbonífero) em sondagens testemunhadas da região de mafra (SC), Margem Leste da Bacia do Paraná
(2005-12-01)
The Permo-Carboniferous Harare Group crops out in the Matra area, represented by Campo do Tenente, Mafra and Rio do Sul formations; they correspond in subsurface to Lagoa Azul, Campo Mourão and Tacïba formations. A composite ...
Concepcoes estratigraficas em analise de Bacias: A) a estratigrafia tradicional
(1989-12-01)
This article is the first part of an overall theme dealing with different stratigraphic approaches to basin analysis. The traditional stratigraphy, based on formal units, is discussed here with an attempt to analyse their ...
Neogene-quaternary seismic stratigraphy of the llancanelo lake basin, Mendoza, Argentina Estratigrafía sísmica neógeno-cuaternaria de la cuenca de la laguna de llancanelo, Mendoza, Argentina.
(Servicio Nacional de Geología y Minería, 2017-11)
A new shallow multichannel seismic survey was carried out in the Llancanelo Lake region (Southern Mendoza Province, Argentina), in order to complete and extend previously surveyed seismic sections. The new seismic data ...
Seqüência Ordovício-Siluriana e Devoniana no Flanco Norte da Bacia do Paraná
(1998-12-01)
Two stratigraphic sequences characterize the basal units of the Paraná basin. The Ordovician-Silurian sequence overlie directly the Neoproterozoic basement and consists of a 55m-thick unit of coarse-grained sandstones, ...
Integrated diagenetic and sequence stratigraphy of a late Oligocene–early Miocene, mixed-sediment platform (Austral Basin, southern Patagonia): resolving base-level and paleoceanographic changes, and paleoaquifer characteristics
(Elsevier Science, 2014-06)
A condensed (~ 20-m-thick) marine transgressive-highstand succession comprises the upper San Julián Formation (upper Oligocene–lower Miocene) of the northern retroarc Austral Basin, southern Patagonia. Mixed-sediment facies ...
Sedimentation of the Cretaceous Bauru Group in São Paulo, Parana Basin, Brazil
(Pergamon-Elsevier B.V. Ltd, 2009-07-01)
The post-basaltic sediments of the Cretaceous Bauru Group in the Parana Basin cover an area of 117,000 km(2) in São Paulo State, and are subdivided into the Caiua, Pirapozinho, Santo Anastacio, Birigui, Aracatuba, Adamantina ...
Seismic Stratigraphy of Pleistocene Deltaic Deposits in Bahía Blanca Estuary, Argentina
(Academia Brasileira de Ciências, 2014-06)
The Bahía Blanca estuary (Argentina) has a morphological configuration resulting from hydrological and sedimentary processes related to Late Quaternary sea level changes. This estuarine system occupies a large coastal plain ...
Stratigraphy and palynology of a late Paleozoic glacial paleovalley in the Andean Precordillera, Argentina
(Elsevier Science, 2014-10)
A new locality where Carboniferous glacial diamictite appears confined to paleovalleys is described in the north of the Argentinian Precordillera. The glacial deposits of the lower part of the Carboniferous Quebrada Larga ...
Speculative petroleum systems of the southern Pelotas Basin, offshore Uruguay
(Elsevier B.V., 2017-05-01)
The Pelotas Basin of Brazil and Uruguay represents a frontier basin with under-explored hydrocarbon potential. Although oil and gas accumulations have yet to be identified, only 21 exploratory wells have been drilled in ...