Accepted Manuscript Petrogenesis of 3.15 Ga old Banasandra komatiites from the Dharwar craton, India: Implications for early mantle heterogeneity J.M. Maya, Rajneesh Bhutani, S. Balakrishnan, S. Rajee Sandhya PII: S1674-9871(16)30025-1 DOI: 10.1016/j.gsf.2016.03.007 Reference: GSF 443 To appear in: Geoscience Frontiers Received Date: 5 November 2015 Revised Date: 1 March 2016 Accepted Date: 3 March 2016 Please cite this article as: Maya, J.M., Bhutani, R., Balakrishnan, S., Sandhya, S.R., Petrogenesis of 3.15 Ga old Banasandra komatiites from the Dharwar craton, India: Implications for early mantle heterogeneity, Geoscience Frontiers (2016), doi: 10.1016/j.gsf.2016.03.007. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. ACCEPTED MANUSCRIPT MANUSCRIPT ACCEPTED ACCEPTED MANUSCRIPT 1 Petrogenesis of 3.15 Ga old Banasandra komatiites from the Dharwar 2 craton, India: Implications for early mantle heterogeneity * 3 J. M. Maya, Rajneesh Bhutani , S. Balakrishnan, S. Rajee Sandhya 4 Department of Earth Sciences, Pondicherry University, Puducherry-605014, India 5 6 *Corresponding author. Phone: +919443636422; 7 E-mail address:
[email protected] 8 9 MANUSCRIPT ACCEPTED ACCEPTED MANUSCRIPT 10 Abstract 11 Spinifex-textured, magnesian (MgO >25 wt.%) komatiites from Mesoarchean 12 Banasandra greenstone belt of the Sargur Group in the Dharwar craton, India were 13 analysed for major and trace elements and 147,146 Sm-143,142 Nd systematics to constrain 14 age, petrogenesis and to understand the evolution of Archean mantle.