Records of the Geological Survey of India, Volume 107Geological Survey of India, 1979 - 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 132
... granite , traversed by veins of pegmatite and quartz containing crystals of pyrite , garnet , beryl and flourite . Polokongkala granite comprising blue quartz and two generations of orthoclase felspars . Paragneiss with bands of ...
... granite , traversed by veins of pegmatite and quartz containing crystals of pyrite , garnet , beryl and flourite . Polokongkala granite comprising blue quartz and two generations of orthoclase felspars . Paragneiss with bands of ...
Page 136
... granite intruded by fine grained tourmaline bearing granite . Coarse grained tourmaline , muscovite , biotite , and beryl bearing pegmatites intrude both into biotite - granite and tourmaline - granite . Aplite is the youngest phase of ...
... granite intruded by fine grained tourmaline bearing granite . Coarse grained tourmaline , muscovite , biotite , and beryl bearing pegmatites intrude both into biotite - granite and tourmaline - granite . Aplite is the youngest phase of ...
Page 211
... granite and later by pink granite . A number of quartz and pegmatite veins are found cutting through the granites . B. K. Ranganath mapped 155 sq km ( 16 ° 45 ' - 51 ' : 77 ° 08 ' - 15 ' ; 56 H / 1 ) on 1 : 50,000 scale . Granites are ...
... granite and later by pink granite . A number of quartz and pegmatite veins are found cutting through the granites . B. K. Ranganath mapped 155 sq km ( 16 ° 45 ' - 51 ' : 77 ° 08 ' - 15 ' ; 56 H / 1 ) on 1 : 50,000 scale . Granites are ...
Contents
CENTRAL HEADQUARTERS | 1 |
AIRBORNE MINERAL SURVEYS EXPLORATION WING | 56 |
ORGANISATIONAL SET UP | 358 |
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alignment amphibolite Andhra Pradesh anomaly Assistant Geologists bands Banerjee basalt bauxite Bihar biotite block boreholes Calcutta chalcopyrite charnockite Circle clay coalfield comprising copper cores covering an area Deccan Trap Delhi deposits depth dips Director district Division dolerite dolomite drill holes dykes Engineer excavation exploration exploratory exposed fault folds formation fossils foundation geochemical samples geological mapping Geologists Jr geophysical Geophysicist geotechnical Ghosh gneiss Gondwana grade granite gneiss Gupta Hydel indicated intruded investigation Laboratory laterite limestone located logged Madhya Pradesh magnetite mapped an area million tonnes mineralisation minerals Mukherjee nala occurs Orissa pegmatite phyllite pits power house Project pyrite quartz quartz veins quartzite Quaternary Rajasthan Regional river rock types samples were collected sand sandstone Sarvashri scale schist seams sediments shale shear zone Shri Singh Sinha soil spillway sq km Srivastava strike length studies sulphide thickness toposheet traverse trending tunnel Udaipur district upto varies