dc.creator | Dal' Bo P.F.F. | |
dc.creator | Basilici G. | |
dc.date | 2011 | |
dc.date | 2015-06-30T20:34:25Z | |
dc.date | 2015-11-26T14:51:26Z | |
dc.date | 2015-06-30T20:34:25Z | |
dc.date | 2015-11-26T14:51:26Z | |
dc.date.accessioned | 2018-03-28T22:02:59Z | |
dc.date.available | 2018-03-28T22:02:59Z | |
dc.identifier | | |
dc.identifier | Geociencias. , v. 30, n. 4, p. 509 - 528, 2011. | |
dc.identifier | 1019082 | |
dc.identifier | | |
dc.identifier | http://www.scopus.com/inward/record.url?eid=2-s2.0-84858043371&partnerID=40&md5=3130183d72d8342df89955e72859fadf | |
dc.identifier | http://www.repositorio.unicamp.br/handle/REPOSIP/108464 | |
dc.identifier | http://repositorio.unicamp.br/jspui/handle/REPOSIP/108464 | |
dc.identifier | 2-s2.0-84858043371 | |
dc.identifier.uri | http://repositorioslatinoamericanos.uchile.cl/handle/2250/1254458 | |
dc.description | The Marília Formation (Maastrichtian) along the outcropping belt in the northwestern portion of the Bauru Basin (Goiás and Mato Grosso do Sul states), is interpreted as an ancient eolian sand sheet. The studied vertical succession, ca 170 m thick, is made up of paleosols, very fine- to mediumgrained sandstone and rare sandy conglomerate bodies. Four paleosol orders were identified: Aridisols, Alfisols, Vertisols, and Entisols. They represent 66% of the thickness of the Marília Formation. The deposits were discriminated in three lithofacies: Planar parallel laminated sandstone, Sandy conglomerates, and Scoured trough cross-stratified sandstone. The first, which forms bodies of sandstone characterized by subcritically climbing translatent strata, is the most common lithofacies. Eroded deflation surfaces divide the upper boundary from Aridisols and Alfisols to wind-generated deposits and mark an important change in paleoenvironmental conditions. Two alternating phases, controlled by variations in the paleoclimate, characterized the paleoenvironment of the Marília Formation: an arid phase, marked by prevalent eolian deposition was responsible for the construction of the eolian sand sheet, and a more humid phase in which occurred intense and prolonged pedogenesis of the previous eolian deposits, as well as active fluvial transport and deposition. | |
dc.description | 30 | |
dc.description | 4 | |
dc.description | 509 | |
dc.description | 528 | |
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dc.language | en | |
dc.language | pt | |
dc.publisher | | |
dc.relation | Geociencias | |
dc.rights | fechado | |
dc.source | Scopus | |
dc.title | Paleoenvironmental Interpretation Of The Marília Formation In The Northwestern Portion Of The Bauru Basin: Relationships Between Sedimentation And Paleopedogenesis In An Ancient Eolian Sand Sheet [interpretação Paleoambiental Da Formação Marília Na Porção Noroeste Da Bacia Bauru: Relações Entre Sedimentação E Paleopedogênese Em Um Antigo Lençol De Areia Eólica] | |
dc.type | Artículos de revistas | |