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MINERAL PRODUCTION FROM FRONTIER PROVINCE
Records of the Geological Survey of India Issued in a series of professional papers which make up
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acid amount amphibole appear associated band basic basic charnockite beds biotite cent Central charnockites Cherra clay coal coke colour composition contain continuous Cretaceous crust crystals deposits derived developed diopside diopside-gneisses direction district east evidence feet felspars ferruginous field formation formed fossils Frontier Province further garnet Geol Geological Survey granite hills hornblende hypersthene important indicate intermediate iron latter limestone lower marble margin material metamorphic meteorite miles minerals nature North-West noted Nummulitic observed obtained occur original pass plagioclase Plate plateau portion possible present Price probably production quartz Range reaction Records regarded region Report represent river rocks Salt sandstone schists seam secondary seems seen shales shows side similar Siwalik slide sometimes specimen stage structure Surv Survey of India TABLE thickness tion types Upper veins vide zone