Records of the Geological Survey of India, Volume 108, Part 2
Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals.
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On the leadzinc mineralisation around Kushbani Purulia district
and B P Chatterjee
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appears bands Bangladesh basalt base beds belt biotite blocks brown Central Champaner characters clay coal collapse collected conglomerate contain continues covered cracks damage deposits developed diamonds direction district earthquake east eastern exposed fault field flows folding formations fossils Geol Geological Geological Survey gneisses grained granite green grey ground groundmass highly Himalayas horizon India indicated intensity kimberlite kutcha later limestone located lower major mapping margin material metamorphism metres minerals nature Niti nodules observed occur Pass phenocrysts places plagioclase Plate Pleistocene PORPHYRITIC present quartz quartzite range rare Records region reported represent river rocks samples sandstone schists seam seen sequence sericite shales shock stage structures sub-basin suggested Survey of India tectonic thickness thin trend Triassic Upper valley varying vertical vesicles village walls zone