Moyen, Jean-Francois ; Martin, Herve ; Jayananda, Mudlappa (1997) Origin of the late-Archaean granite of Closepet, South India: information from geochemical modeling of trace element behaviour Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science, 325 (9). pp. 659-664. ISSN 1251-8050
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S1251-8050(97)89107-0
Abstract
The Closepet granite is the latest known Archaean magmatic event in the Dharwar craton (South India). It consists of a composite massif showing interactions between a mantle-derived magma and the surrounding continental crust. Modeling based on trace element behaviour indicates that its geochemical characteristics are mainly accounted for by mixing between a mafic magma, and products of the partial melting of the surrounding continental crust. To a small extent fractional cristallization took place prior to the mixing. The recalculated parental magma's chemical composition is very similar to that of typical late-Archaean rocks known as 'sanukitoids'.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Archaean; India; Granitoid; Geochemistry; Modeling; Sanukitoid |
| ID Code: | 102948 |
| Deposited On: | 05 Feb 2017 16:56 |
| Last Modified: | 05 Feb 2017 16:56 |
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