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The Miocene molassic Surma sandstones in parts of the Naga-Manipur hills, in and around Nungba, Northeast India have been studied for their tectonic provenance using petrography and heavy mineral contents. The poorly-to-moderately-sorted sub-litharenite to lithic-arkose type Surma sandstones display predominance of monocrystalline quartz (av. 61%) and include undulose and non-undulose varieties and...
Major, trace and rare earth element (REE) abundances along with Nd isotopic ratios are measured in serpentinized peridotite samples from the Manipur Ophiolite Complex (MOC), Indo-Myanmar range (IMR). An attempt is made to resolve the conundrum caused by apparently contradictory petrogenetic models and tectonic settings reported in literature. Nd isotope ratios, reported for the first time, range from...
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