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Title: Zircon U-Pb Dating and Elemental Account of the Granitic Gneiss from Nagar Parkar Igneous Complex, Sindh, Pakistan
Authors: A. H. MARKHAND, Q. XIA, M. H. AGHEEM, Z. JIA
Journal: Sindh University Research Journal - Science Series (SURJ)
Publisher: University of Sindh, Jamshoro
Country: Pakistan
Year: 2018
Volume: 50
Issue: 3D
Language: English
Keywords: Granitic GneissAge DatingNagar Parkar Igneous ComplexSindhPakistan
C is the part of north-western Indian craton and is the Pakistan ward continuity of the MIS. The granitic gneiss is found at Rannpur pluton body of the NPIC in the form of a small roof pendant structure exhibiting alternation and contortion of felsic and mafic minerals. Similar granitic gneiss exposures are reported from MIS at Erinpura granites and Sindreth region in India. The granitic gneiss sample from NPIC was processed for age dating, major, trace, and REE concentrations through LA-ICP-MS, ICP-MS, ICP-AES, and XRF. The sample yielded the zircon U-Pb age of 884±6 Ma. The Europium (Eu) negative depletion anomaly suggest decrease in feldspar during crystal fractionation or partial melting in the source. The similar character of granitic gneiss at both (NPIC and MIS) reaffirm the NPIC as the part of MIS
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