Records of the Geological Survey of India, Volume 116The Survey, 1987 - 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 97
... pegmatites . The garnetiferous quartz felspathic mica gneiss unit is found to be the most suitable host rock to the mica pegmatite . Lenses and bands of mica pegmatite of both concordant and discordant types are noted in the mica ...
... pegmatites . The garnetiferous quartz felspathic mica gneiss unit is found to be the most suitable host rock to the mica pegmatite . Lenses and bands of mica pegmatite of both concordant and discordant types are noted in the mica ...
Page 99
... pegmatite bodies . On the eastern bank of Kolab river two prominent outcrops of metabasites are traversed by four pegmatite veins but with rare specks of cassiterite . In west and NW of Tentuligumma , 5 pegmatite veins were noted to cut ...
... pegmatite bodies . On the eastern bank of Kolab river two prominent outcrops of metabasites are traversed by four pegmatite veins but with rare specks of cassiterite . In west and NW of Tentuligumma , 5 pegmatite veins were noted to cut ...
Page 116
... Pegmatite Test Geophysical Investigation for Locating Mica - bearing Pegmatite in Kodarma Reserve Forest , Tisri and Lachhipur Areas , Bihar B. Sarkar , P. Chatterjee and Rajani Kumar carried out test geophysical surveys employing ...
... Pegmatite Test Geophysical Investigation for Locating Mica - bearing Pegmatite in Kodarma Reserve Forest , Tisri and Lachhipur Areas , Bihar B. Sarkar , P. Chatterjee and Rajani Kumar carried out test geophysical surveys employing ...
Contents
PALAEONTOLOGY AND STRATIGRAPHY DIVISION | 18 |
PUBLICATION AND INFORMATION DIVISION | 24 |
GEOPHYSICAL DIVISION | 34 |
Copyright | |
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alignment amphibolite Andhra Pradesh anomaly Asstt attended bands Bangalore basalt basemetal basin belt Bihar Bijawar biotite block boreholes Calcutta carried charnockite Circle clay coal coalfield comprises core covering an area Deccan Trap deposits depth Director District Divn dolomite drill holes dykes exploration exposed fault flows folds Formation fossils geochemical geological mapping Geologist Jr Geology Division geophysical geotechnical investigations glacier gneiss Gondwana granite gneiss Group Headquarters Hyderabad indicated Karnataka Kumar Laboratory laterite limestone line km located logged Lucknow Madhya Pradesh magnetic mapped an area mica mineral mineralisation Nagpur nala NW-SE Orissa pegmatite phosphorite phyllite power house proposed quartz quartzite Quaternary Regional river rock types S/Shri samples were collected sandstone scale schist seams sediments shale shear zone Shillong Shri Singh spillway sq km sq km area Srivastava strike length studies Supergroup surveys thickness toposheet traverse trending tunnel upto varying veins Vindhyan West