Records of the Geological Survey of India, Volume 115

alteration Andaman appears assemblage associated bands basalt basic basin batholith beds blocks bodies brown cent characteristics chemical chert chromite colour complex composition comprises conglomerate consists contain continuous Cretaceous crystalline cumulate developed diorite Dras Volcanic dunite dyke east eastern emplaced exposed extensive facies fault folded Formation gabbro Geol Geology grains granite green grey harzburgite highly Himalaya India indicate Indus Group intrusive islands Kashmir Ladakh Ladakh Granitoid Lamayuru limestone Lower mafic major mass Member metamorphic mineral nala nature northern nummulitic obducted occur oceanic olivine OPHIOLITE BELT ophiolite complex ophiolitic melange peridotite pillow lavas places plagioclase present purple range region represents rocks samples sandstone Sangeluma sector sedimentary sediments seen sequence serpentinite shale sheared Shergol Shyok siltstone southern Srikantia structure studies suite Suture tectonic texture thick thrust tion trend types ultramafic ultramafites unit upper valley varying zone