Records of the Geological Survey of India, Volume 82, Parts 2-4The Survey, 1952 - Earthquakes |
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Page 263
... Quartz - reefs The area covered by the Bundelkhand gneiss has been cut by many quartz - reefs . They are fairly equally distributed over the ground . The reefs with serrated summits add much to the scenic grandeur of the area . The ...
... Quartz - reefs The area covered by the Bundelkhand gneiss has been cut by many quartz - reefs . They are fairly equally distributed over the ground . The reefs with serrated summits add much to the scenic grandeur of the area . The ...
Page 273
... quartz containing crystals of black and red quartz . The crystals are opaque and probably of no use to the jewellers . The author fully agrees with the following views of Crook- shank regarding the economics of amethyst in the State ...
... quartz containing crystals of black and red quartz . The crystals are opaque and probably of no use to the jewellers . The author fully agrees with the following views of Crook- shank regarding the economics of amethyst in the State ...
Page 316
... quartz - biotite - schist . As one proceeds in a south - easterly direction , away from the granite - gneiss , the quartz - biotite - schist is replaced by quartz- sericite - schist and sericitic quartzite . Further south - east appear ...
... quartz - biotite - schist . As one proceeds in a south - easterly direction , away from the granite - gneiss , the quartz - biotite - schist is replaced by quartz- sericite - schist and sericitic quartzite . Further south - east appear ...
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1948 Quantity Value acres Ajmer Andamans Asbestos Assam bands Barytes beds belt Beryl Bihar biotite Calcutta cent Chirala chromite clay cleavage Coal coast colour concentrates Cumbum Cycadeoidea Datia deposits DETAILS OF MINERAL district east ending 31st December epicentre epidiorite export feet Felspar Foraminifera fossil furlongs garnet Geol Geological map Geological Survey gneiss grains grey hill ilmenite inches Indian Union Jubbulpore Kyanite leaf bases Limestone M. S. Krishnan Madras magnetite Markapur Messrs metal Mica miles Mineral Concessions Mining Leases monazite Mysore Nagpur nala Nausahi occur Ochre Operculina Orissa percentage plates present produced in India production Prospecting License Quantity Value Quantity quartz quartzite railway Rajasthan samples seen serpentine shale Shri siliceous sillimanite slates Soapstone species specimen Statement of Mineral surface Surv Survey of India TABLE talc thickness tons valued TOTAL Trial pit Trichinopoly Value Quantity Value Vindhya Pradesh