Results 181 to 190 of about 2,368 (213)
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Reproductive organs of a Grylloidea fossil from the Cretaceous Araripe Basin, Brazil

Journal of the Geological Society
The Crato Formation, an Early Cretaceous lacustrine Lagerstätte in northeastern Brazil, is noteworthy for soft-tissue fossilization. This unit records an abundant and diverse palaeoentomofauna, which preserves external and internal elements, including organs and delicate tissues.
Jaime Joaquim Dias   +6 more
openaire   +1 more source

Interaction among biogenic, climate and tectonic processes influences tufa precipitation, Araripe Basin, Brazil

2020
<p>Tufas are continental freshwater carbonates common in epi-karst zones. They are composed of micrite and microsparitic crystals of calcite with variable primary moldic and fenestral porosity and with the frequent presence of biogenic content.
Jaqueline Lopes Diniz   +8 more
openaire   +1 more source

Basement inheritance affecting initiation and evolution of intracontinental rifts: Araripe Basin, northeast Brazil

2020
<p>The structural inheritance of the basement plays an important role controlling rift formation and evolution. Here we investigate tectonic and rheological inheritance on brittle reactivation of the Precambrian basement and shear zones in the formation and evolution of the Cretaceous Araripe Basin.
Pamela Richetti   +4 more
openaire   +1 more source

NEW NON-MARINE OSTRACOD GENERA AND SPECIES OF APTIAN AGE FROM ARARIPE BASIN, NORTHEAST BRAZIL

Zootaxa
The Ostracoda Subclass comprises the most expressive group of calcareous microfossils in the deposits of the Araripe Basin, especially in its post-rift sequence, which is represented by the Santana Group, of Late Aptian age (= Alagoas Local Stage). Due to the abundance, ostracod species are of great importance for understanding the evolution of the ...
DÉBORA SOARES DE ALMEIDA-LIMA   +4 more
openaire   +2 more sources

Petrophysics of carbonatic and evaporitic rocks from Araripe Basin

13th International Congress of the Brazilian Geophysical Society & EXPOGEF, Rio de Janeiro, Brazil, 26–29 August 2013, 2013
K.G.R. Gurjão   +4 more
openaire   +1 more source

Basin inversion, scarp retreat and soil distribution in the Araripe basin (northeast Brazil): implications for denudation history

2013
At the border between the Ceará, Piauí, and Pernambuco states (northeast Brazil), the high sandstone table called Chapada do Araripe overlooks lower and drier plateaus and depressions shaped into underlying post-rift and rift layers, in the east, or in the basement, to the west and south.
Peulvast, Jean-Pierre   +1 more
openaire   +1 more source

Tectonic evolution of the Sichuan Basin, Southwest China

Earth-Science Reviews, 2021
Shugen Liu, Bin Deng, Zhiwu Li
exaly  

Neotectonics of Araripe Basin Near Patos Shear Zone and Araripe Valley: Insights from Geomorphometry

Journal of South American Earth Sciences
Viktor Ferreira de Oliveira   +1 more
openaire   +1 more source

Aptian-Albian paleoenvironmental geochemistry: Araripe Basin, Northeastern Brazil

Journal of South American Earth Sciences
Igor Hamid Ribeiro Azevedo   +5 more
openaire   +1 more source

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