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On the leadzinc mineralisation around Kushbani Purulia district
Eocene ostracoda from Kolayatji area Rajasthan by V D Mamgain
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appears Aravalli bands Bangladesh basalt basalt flows 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 exhibit exposed fault field flows folding formations fossils further Geol Geological Geological Survey gneisses grained granite grey ground groundmass highly Himalayas horizon India indicated intensity kimberlite kutcha later limestone located lower mainly major margin material metamorphism metres minerals nature Niti nodules northern observed occur origin Pass Permian phenocrysts places plagioclase Plate Pleistocene present quartz quartzite range recorded region reported represent river rocks roof samples sandstone schists seam seen sequence shales shock stage structures sub-basin suggested tectonic thickness thin trend Triassic Upper valley varying vertical village walls zone