Records of the Geological Survey of India, Volume 106Geological Survey of India, 1976 - Earthquakes 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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Page 99
... pegmatite , diorite , amphibolite , quartzite , dolerite etc. with veins of secondary minerals ( quartz , epidote , chlorite and felspar ) . Two genera- tions of pegmatite are recorded in Kabrai ( 25 ° 24′14 ′′ : 80 ° 00'00 " ) . The ...
... pegmatite , diorite , amphibolite , quartzite , dolerite etc. with veins of secondary minerals ( quartz , epidote , chlorite and felspar ) . Two genera- tions of pegmatite are recorded in Kabrai ( 25 ° 24′14 ′′ : 80 ° 00'00 " ) . The ...
Page 175
... pegmatite bodies of small dimensions within the mica schists country to the southwest of Gobindih , where minor quantity of Beryl also occurs . Large erratic crystals of potash feldspar were also noted at places in small bodies of pegmatite ...
... pegmatite bodies of small dimensions within the mica schists country to the southwest of Gobindih , where minor quantity of Beryl also occurs . Large erratic crystals of potash feldspar were also noted at places in small bodies of pegmatite ...
Page 209
... pegmatites are roughly conformable with the schistosity while local discordance is not uncommon . Sill - like bodies of pegmatite , concordant and co - folded with the bedding but discordant with the axial plane schistosity of the ...
... pegmatites are roughly conformable with the schistosity while local discordance is not uncommon . Sill - like bodies of pegmatite , concordant and co - folded with the bedding but discordant with the axial plane schistosity of the ...
Contents
MAHARASHTRA CIRCLE | 12 |
Engineering Geology Division | 92 |
HIMALAYAN GEOLOGY DIVISION | 100 |
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Common terms and phrases
alignment alluvium amphibolite Andhra Pradesh anomaly aquifers bands bauxite bed rock Bihar biotite biotite gneiss block bore holes boreholes charnockite clay coal Coalfield comprising copper covered an area deposits depth to water dips district dolerite dolomite drill holes dykes electrical logging exploration Exploratory drilling fault folds foliation formation garnetiferous geochemical geohydrological geological investigations geological mapping geophysical gneiss Gondwana granite gneiss graphite Groundwater Groundwater occurs Hazaribagh district Hydel indicated Khondalites Laboratory laterite limestone located magnetite mapped an area mapped on scale metres mica schist million tonnes mineralised zones minerals Mysore nala Orissa pegmatite period under review phyllites pits power house Project pyrite quartzite Rajasthan recommended Region rock types S/Shri sand sandstone schist seams sediments shales shear zone Sheet Shri sillimanite Siwalik spillway strike length studies Subansiri suggested sulphide Survey of India taluk thickness toposheet traverse trending tubewells tunnel upto valley varies West Bengal