Now showing items 1-4 of 4
Permian woods with preserved primary structures from the southeast of Brazil (Irati Formation, Paraná basin)
(Palaeobiodiversity and Palaeoenvironments, 2018-09-01) [Artigo]
This research described fossil woods with preserved pith and primary xylem from strata of the Irati Formation (Artinskian) of the Paraná Basin (southeastern Brazil). The three specimens studied are all related to the ...
The Inventory of Geological Heritage of the State of So Paulo, Brazil: Methodological Basis, Results and Perspectives
(Geoheritage, 2018-06-01) [Artigo]
An inventory of geological sites based on solid and clear criteria is a first step for any geoconservation strategy. This paper describes the method used in the geoheritage inventory of the State of So Paulo, Brazil, and ...
Exhumed subglacial landscape in Uruguay: Erosional landforms, depositional environments, and paleo-ice flow in the context of the late Paleozoic Gondwanan glaciation
(Sedimentary Geology, 2018-07-01) [Artigo]
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 ...
Integration of geophysical methods in the study of acid drainage in uranium mining waste
(Revista Brasileira de Geofisica, 2018-01-01) [Artigo]
Among the potential environmental impacts in mining activities, acid mine drainage (AMD) is a relevant problem caused by reactive minerals, such as sulfides, due to their exposure to the surface conditions. This is the ...