Provenance, tectonic setting and source-area weathering of mesoproterozoic kaimur group, vindhyan supergroup, central india Reportar como inadecuado




Provenance, tectonic setting and source-area weathering of mesoproterozoic kaimur group, vindhyan supergroup, central india - Descarga este documento en PDF. Documentación en PDF para descargar gratis. Disponible también para leer online.

S. SEN ;Geologica Acta: an international earth science journal 2012, 10 (3)

Autor: M. MISHRA.

Fuente: http://www.redalyc.org/


Introducción



Geologica Acta: an international earth science journal ISSN: 1695-6133 geologica-acta@ija.csic.es Universitat de Barcelona España MISHRA., M.; SEN, S. Provenance, tectonic setting and source-area weathering of Mesoproterozoic Kaimur Group, Vindhyan Supergroup, Central India Geologica Acta: an international earth science journal, vol.
10, núm.
3, septiembre, 2012, pp.
283-293 Universitat de Barcelona Barcelona, España Available in: http:--www.redalyc.org-articulo.oa?id=50524523006 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Geologica Acta, Vol.10, Nº 3, September 2012, 283-293 DOI: 10.1344-105.000001759 A v a i l a b l e o n l i n e a t w w w.
g e o l o g i c a - a c t a .
c o m Provenance, tectonic setting and source-area weathering of Mesoproterozoic Kaimur Group, Vindhyan Supergroup, Central India M.
MISHRA 1 2 1, 2 and S.
SEN 1 Department of Geology, Faculty of Science, Banaras Hindu University Varanasi-221005 Presently at School of Sciences, Indira Gandhi National Open University New Delhi-110068.
E-mail: meenalbhu@yahoo.co.in ABSTRACT The siliciclastic of the Upper Kaimur Group of the Vindhyan Supergroup in Central India have been geochemically studied in order to understand their provenance, paleoweathering conditions and tectonic conditions.
A-CN-K (Al2O3-CaO-K2O) ternary diagram and chemical index of alteration (CIA) values suggest that the granitic source rocks underwent moderate to high degree of chemical weathering under moderate weathering conditions for an extended period of time, or under humid weathering for shorter periods of time.
Similar CIA values in all textural types indicate that recycling processes homogenized the shale and sandstone compositions.
Various geochemical discriminants and ele...





Documentos relacionados