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 43
... intrusive contact with the rocks of the Sonakhan Supergroup as well as the Baya Gneissic Complex . Rocks of the Sonakhan Supergroup are traversed by a number of ultramafic - mafic dykes , while both the gneisses - granites and the ...
... intrusive contact with the rocks of the Sonakhan Supergroup as well as the Baya Gneissic Complex . Rocks of the Sonakhan Supergroup are traversed by a number of ultramafic - mafic dykes , while both the gneisses - granites and the ...
Page 147
... intrusive characters . Pegmatite veins are usually concordant , within the migmatite bodies and contain sparsely distributed tourmaline . 0.75 km northeast of ' Banna ' , pegmatite vein contains scanty beryl crystals ( up to 3 cm in ...
... intrusive characters . Pegmatite veins are usually concordant , within the migmatite bodies and contain sparsely distributed tourmaline . 0.75 km northeast of ' Banna ' , pegmatite vein contains scanty beryl crystals ( up to 3 cm in ...
Page 270
... intrusive granites and charnockitic rocks . Medium to coarse grained deformed / metamor- phosed biotite bearing granites are the major rocks types in the area besides small bodies of amphibole and marble along with possible charnockitic ...
... intrusive granites and charnockitic rocks . Medium to coarse grained deformed / metamor- phosed biotite bearing granites are the major rocks types in the area besides small bodies of amphibole and marble along with possible charnockitic ...
Contents
PALAEONTOLOGY AND STRATIGRAPHY DIVISION | 18 |
PUBLICATION AND INFORMATION DIVISION | 24 |
GEOPHYSICAL DIVISION | 34 |
Copyright | |
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Common terms and phrases
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