Records of the Geological Survey of India, Volume 108The Survey, 1983 - 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 93
... types in the area with pegmatite and dolerite bands . The general strike of foliation trend and dips at 60 ° to 80 ° either towards north or south due to a low easterly plunging fold . Several shear zones are present in the rock types ...
... types in the area with pegmatite and dolerite bands . The general strike of foliation trend and dips at 60 ° to 80 ° either towards north or south due to a low easterly plunging fold . Several shear zones are present in the rock types ...
Page 231
... types of granite occuring in the Central Crystallines comprise layered biotite granite , porphyritic granite , aplite and pegmatite . Biotite occurs as clusters as well as scattered grains in the granite . A few discontinuous mica ...
... types of granite occuring in the Central Crystallines comprise layered biotite granite , porphyritic granite , aplite and pegmatite . Biotite occurs as clusters as well as scattered grains in the granite . A few discontinuous mica ...
Page 236
... types encountered in the area are orthogneiss and hornblende - mica schist of Central Crystallines , phyllites with bands of massive and sericitic quartzite of Nawgaon Formation , phyllites , slates and grawackes of Simla Slates , and ...
... types encountered in the area are orthogneiss and hornblende - mica schist of Central Crystallines , phyllites with bands of massive and sericitic quartzite of Nawgaon Formation , phyllites , slates and grawackes of Simla Slates , and ...
Contents
Offshore Mineral Exploration and Marine Geology Division | 27 |
Central Chemical Laboratory | 44 |
COAL WING | 52 |
Copyright | |
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alignment amphibolite Andhra Pradesh anomaly Asstt bands basalt bauxite bed rock Bihar biotite block boreholes carried chalcopyrite charnockite Circle clay collected comprising conglomerate copper cores covered Deccan Trap deposits depth dips Director DISTRICT dolerite dolomite drill holes dykes encountered exploration exploratory exposed fault folds foliation Formation foundation garnetiferous geochemical geological mapping Geologists Jr GEOLOGY DIVISION geophysical geotechnical gneiss grade grained granite granite gneiss graphite grey Group Gupta Hydel indicated intrusives laboratory laterite limestone located logged magnetite mica schist migmatite million tonnes mineralisation minerals Murthy nala NW-SE occur Orissa pegmatite phyllite pits plane porphyritic power house Pradesh Project proposed pyrite quartz quartz veins quartzite Quaternary Rajasthan Region river rock types samples sand sandstone Sarvashri scale schist seams sediments sequence shales shear zone Shri Singh Sinha soil spillway sq km strike length studies sulphide surveys thick traverse trending tunnel upto valley varies Verma