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Heavy mineral composition of sandstones are widely used in the provenance studies in sedimentary petrology. These minor accessory minerals of sandstones are marked by a higher than average specific gravity and they are the surviving remnants of the rather abundant but unstable mafic components of the source rock. 1 Over fifty different non-opaque heavy mineral species have been recognized in sandstones, many of which have specific parageneses that enable a direct match between sediment and source lithology. 2 Heavy mineral assemblage is controlled by a number of factors such as nature of the parent rocks, vagaries of climatic conditions during weathering, relative solubility and stability of the various detrital minerals, their mineralogy, abrasion history, their density, size, sorting and past depositional changes experienced by the sediments. Because of their generally low abundance in sandstones and siliciclastic sediments, heavy minerals are usually concentrated for study by heavy liquid separation. A linear belt of Permian Gondwana rocks occur in parts of Lesser Himalayan morphotectonic unit of Arunachal Pradesh. In Daring-Garu-Gensi area of eastern Arunachal Pradesh, the Bichom Formation equivalent to Lower Gondwana Group of rocks of Peninsular India is present and lies in Article Research

Heavy mineral studies of Gondwana sandstones of Eastern Arunachal Himalaya and implications for provenance