A Note on the Characters of Some Lower Gondwana Coals of West Siang District in the Arunachal Himalaya and their Trace Element Content

Lower Gondwana coal from Garu-Gensi area in the West Siang district of Arunachal Pradesh in the Eastern Himalayas have been characterized with respect to their maceral constituents, mineral matter, ash composition, sulphur- and trace-element contents. These are low-rank bituminous coals (V-0 = 0.64) and their vitrinite content is about 60%. A first hand data with respect to twenty one trace-elements are reported. Our data indicate that these Lower Gondwana coals of extra-peninsular region are richer in terms of their trace-element content when compared with their counter parts of peninsular India.