Initial stage of the Neogene volcanic arc in the Cordillera Principal of Mendoza (35°S)
This is the first time that an integrated geological approach of the volcanic complex outcroping at Cordón del Burrero and surrounding areas, in Cordillera Principal of Mendoza province (35° S), is carried out. It constitutes a complex volcanic unit, encompassing lavas, dykes and subvolcanic intrusi...
Guardado en:
| Publicado: |
2008
|
|---|---|
| Materias: | |
| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00044822_v63_n3_p454_Sruoga http://hdl.handle.net/20.500.12110/paper_00044822_v63_n3_p454_Sruoga |
| Aporte de: |
| id |
paper:paper_00044822_v63_n3_p454_Sruoga |
|---|---|
| record_format |
dspace |
| spelling |
paper:paper_00044822_v63_n3_p454_Sruoga2023-06-08T14:26:09Z Initial stage of the Neogene volcanic arc in the Cordillera Principal of Mendoza (35°S) Cordillera Principal Mendoza Miocene Volcanism burial (geology) calc alkaline rock igneous intrusion island arc lava low grade metamorphism Neogene volcanism Argentina Chile Mendoza South America This is the first time that an integrated geological approach of the volcanic complex outcroping at Cordón del Burrero and surrounding areas, in Cordillera Principal of Mendoza province (35° S), is carried out. It constitutes a complex volcanic unit, encompassing lavas, dykes and subvolcanic intrusive bodies of basaltic, andesitic and rhyolitic composition. These rocks belong to high-K calc-alkaline series, showing high Ba, Sr, Rb and Cs contents, Nb, Ta and Hf depletion and moderate La/ Yb ratios. The volcanics experienced regional burial and related very low grade metamorphism under zeolite and prehnite-pumpellyite facies conditions. In addition, another yuxtaposed thermal event was locally identified. The volcanic event took place during Middle Miocene times (∼ 18 a 14 Ma) and represents the initial stage of the neogene volcanic arc in Argentina and it may be correlated to the lowest part of Farellones Formation, widespread in Chile at these latitudes. 2008 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00044822_v63_n3_p454_Sruoga http://hdl.handle.net/20.500.12110/paper_00044822_v63_n3_p454_Sruoga |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Cordillera Principal Mendoza Miocene Volcanism burial (geology) calc alkaline rock igneous intrusion island arc lava low grade metamorphism Neogene volcanism Argentina Chile Mendoza South America |
| spellingShingle |
Cordillera Principal Mendoza Miocene Volcanism burial (geology) calc alkaline rock igneous intrusion island arc lava low grade metamorphism Neogene volcanism Argentina Chile Mendoza South America Initial stage of the Neogene volcanic arc in the Cordillera Principal of Mendoza (35°S) |
| topic_facet |
Cordillera Principal Mendoza Miocene Volcanism burial (geology) calc alkaline rock igneous intrusion island arc lava low grade metamorphism Neogene volcanism Argentina Chile Mendoza South America |
| description |
This is the first time that an integrated geological approach of the volcanic complex outcroping at Cordón del Burrero and surrounding areas, in Cordillera Principal of Mendoza province (35° S), is carried out. It constitutes a complex volcanic unit, encompassing lavas, dykes and subvolcanic intrusive bodies of basaltic, andesitic and rhyolitic composition. These rocks belong to high-K calc-alkaline series, showing high Ba, Sr, Rb and Cs contents, Nb, Ta and Hf depletion and moderate La/ Yb ratios. The volcanics experienced regional burial and related very low grade metamorphism under zeolite and prehnite-pumpellyite facies conditions. In addition, another yuxtaposed thermal event was locally identified. The volcanic event took place during Middle Miocene times (∼ 18 a 14 Ma) and represents the initial stage of the neogene volcanic arc in Argentina and it may be correlated to the lowest part of Farellones Formation, widespread in Chile at these latitudes. |
| title |
Initial stage of the Neogene volcanic arc in the Cordillera Principal of Mendoza (35°S) |
| title_short |
Initial stage of the Neogene volcanic arc in the Cordillera Principal of Mendoza (35°S) |
| title_full |
Initial stage of the Neogene volcanic arc in the Cordillera Principal of Mendoza (35°S) |
| title_fullStr |
Initial stage of the Neogene volcanic arc in the Cordillera Principal of Mendoza (35°S) |
| title_full_unstemmed |
Initial stage of the Neogene volcanic arc in the Cordillera Principal of Mendoza (35°S) |
| title_sort |
initial stage of the neogene volcanic arc in the cordillera principal of mendoza (35°s) |
| publishDate |
2008 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00044822_v63_n3_p454_Sruoga http://hdl.handle.net/20.500.12110/paper_00044822_v63_n3_p454_Sruoga |
| _version_ |
1768544298904584192 |