Petrology and Geochemistry of Lamprophyre and associated Dykes Near Simdega Area Chhotanagpur Gneissic Complex Eastern India

Abstract

The E-W to EEN-WWS trending Central Indian Tectonic Zone (CITZ) or Satpura mobile belt formed by the convergence between the northern Indian block (NIC) comprising Bundelkhand-Aravalli cratonic mass and the southern Indian block (SIC) comprising Dharwar-Bastar-Singhbhum cratonic mass during the Proterozoic time (Radhakrishna and Ramakrishnan, 1988; Roy and Prasad, 2003). newline

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