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O contato entre as formações Pirambóia e Botucatu na área de Ribeirão Preto (SP)
| Content Provider | Semantic Scholar |
|---|---|
| Author | Massoli, Marcos Caetano-Chang, Maria Rita |
| Copyright Year | 2007 |
| Abstract | In water wells of the Ribeirao Preto city area was found an extensive bed of coarse to conglomeratic subfeldspathic sandstones, which show a thickness average of 30 meters. These sandstones are mostly considered to be deposited on alluvial fans, at the ending times of Piramboia Formation sedimentation, over many areas at the central and eastern portions of Sao Paulo State. In the study area, these conglomeratic sandstones represent an important lithostratigraphic mark at the contact between the Piramboia and Botucatu Formations. These rocks do not outcrop in the Ribeirao Preto city, and the present study was based on water well data from geophysical logs and well cuttings descriptions. Keywords: conglomeratic sandstones; alluvial fans; geophysical profiles; Piramboia and Botucatu Formations. |
| Starting Page | 263 |
| Ending Page | 270 |
| Page Count | 8 |
| File Format | PDF HTM / HTML |
| Volume Number | 26 |
| Alternate Webpage(s) | https://revistageociencias.com.br/geociencias-arquivos/26_3/PDF%2026(3)/Art%206_Massoli.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
