Petrological and geochemical characteristics of Marunthurkota syenites from the Kerala khondalite belt, southern India

Petrological and geochemical characteristics of Marunthurkota syenites from the Kerala khondalite belt, southern India

This note reports new occurrences of syenite bodies around Marunthurkota area from the Kerala khondalite belt (KKB). Petrological and geochemical studies suggest that the syenites have a pronounced A-type affinity, metaluminous characteristics with high concentrations of alkalies, Rb, Sr, Zr, and hi...

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Veröffentlicht in:Journal of the Geological Society of India 2009-03, Vol.73 (3), p.386-392
Hauptverfasser: Sreejith, C., Ravindra Kumar, G. R.
Format: Artikel
Sprache:eng
Schlagworte:
Carbon dioxide
Continental crust
Crystallization
Earth and Environmental Science
Earth Sciences
Geochemistry
Geology
Hydrogeology
Metal concentrations
Petroleum geology
Studies
Upper mantle
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Zusammenfassung:This note reports new occurrences of syenite bodies around Marunthurkota area from the Kerala khondalite belt (KKB). Petrological and geochemical studies suggest that the syenites have a pronounced A-type affinity, metaluminous characteristics with high concentrations of alkalies, Rb, Sr, Zr, and high K 2 O/Na 2 O ratio. Miaskitic nature (agpaitic index
ISSN:0016-7622
0974-6889
DOI:10.1007/s12594-009-0018-8