Search
Now showing items 1-10 of 50
Chronostratigraphy and environment of Furnas Formation by trace fossil analysis: Calibrating the lower Paleozoic Gondwana realm in the Paraná Basin (Brazil)
(2017-12-01)
Ichnology is an important tool for facies and sequence stratigraphic analysis, typically yielding greater resolution than that provided by body fossils. Less commonly, ichnofossils also can be applied to ichnostratigraphy, ...
Exhumed subglacial landscape in Uruguay: Erosional landforms, depositional environments, and paleo-ice flow in the context of the late Paleozoic Gondwanan glaciation
(2018-07-01)
A well-exposed glacial surface sculpted on Precambrian crystalline basement rocks occurs below the glacial succession of the San Gregorio Formation on the eastern border of the Chaco-Parana Basin in Uruguay and was formed ...
Spectral evidence of paleozoic structure in the western Precordillera, San Juan (31º15´S), Argentina
(Istituto Nazionale di Oceanografia e di Geofisica, 2012-11)
The western Precordillera (Baldis et al., 1982) is located in the western central region of Argentina (Fig. 1). Geologically, it is characterized by the development of an Andean thin- skinned fold and thrust belt (Cristallini ...
Evolução tectônica e estratigráfica das bacias da margem continental do Uruguai
(Universidade Estadual Paulista (UNESP), 2016)
Speculative petroleum systems of the Punta del Este Basin (offshore Uruguay)
(Soc Brasileira Geologia, 2017-10-01)
The Uruguayan continental margin was generated as the result of the breakup of Gondwana and, later, the opening of the South Atlantic Ocean, which began in the Jurassic. Three major areas of Meso-Cenozoic sedimentation are ...
Sedimentary record of a fluctuating ice margin from the Pennsylvanian of western Gondwana: Parana Basin, southern Brazil
(Elsevier B.V., 2015-08-01)
The Parana Basin is a key locality in the context of the Late Paleozoic Ice Age (LPIA) because of its location east of the Andean proto-margin of Gondwana and west of contiguous interior basins today found in western Africa. ...
Evolução tectônica e estratigráfica das bacias da margem continental do Uruguai
(Universidade Estadual Paulista (UNESP), 2013-09-13)
The continental margin of Uruguay is a typical divergent margin, generated as the result of the breakup of Gondwana and later opening of the Atlantic Ocean. It is located in the southern extensional segment of the Atlantic ...
ICE-KEEL SCOUR MARKS IN THE GEOLOGICAL RECORD: EVIDENCE FROM CARBONIFEROUS SOFT-SEDIMENT STRIATED SURFACES IN THE PARANA BASIN, SOUTHERN BRAZIL
(Sepm-soc Sedimentary Geology, 2014-01-01)
Soft-sediment glacially striated surfaces are common structures in ancient glacial successions, such as the Gondwanic Paleozoic record, and document ice erosion on non lithified beds. In most cases, they have been interpreted ...