Records of the Geological Survey of India, Volume 118, Part 1government of India., 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 131
... granite and ( 2 ) medium - grained equigranular granite . The porphyroblastic granite is composed dominantly of varying proportions of magablasts of potash feldspar set in a matrix of quartz , plagioclase , biotite , hornblende and ...
... granite and ( 2 ) medium - grained equigranular granite . The porphyroblastic granite is composed dominantly of varying proportions of magablasts of potash feldspar set in a matrix of quartz , plagioclase , biotite , hornblende and ...
Page 210
... granite show , at places the development of incipient gneissosity in concordance with the foliation of the older metamor- phics . Pink porphyritic granite is coarse grained with porphyritic texture and consists of phenocrysts pink K ...
... granite show , at places the development of incipient gneissosity in concordance with the foliation of the older metamor- phics . Pink porphyritic granite is coarse grained with porphyritic texture and consists of phenocrysts pink K ...
Page 273
... granite with Pengong gneisses and granites , Palaeozoic and Triassic ? rocks , Pengong granite with Khardung Volcanics etc. have been studied . The various geological units esta- blished are Tirit granodiorite , Volcano - sedimentary se ...
... granite with Pengong gneisses and granites , Palaeozoic and Triassic ? rocks , Pengong granite with Khardung Volcanics etc. have been studied . The various geological units esta- blished are Tirit granodiorite , Volcano - sedimentary se ...
Contents
EASTERN REGION | 74 |
ENGINEERING GEOLOGY DIVISION I | 94 |
GEOPHYSICS DIVISION | 106 |
Copyright | |
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alluvium amphibolite analysis Andhra Pradesh anomalies Asstt bands basalt basin Bihar biotite block boreholes Calcutta carried chalcopyrite clay coal Coalfield comprises covering an area Deccan Trap depth district dolomite drill cores drill holes dykes east exploration exposed fault flows folds Formation fossils geochemical geological mapping Geologist Jr geophysical geotechnical investigation Ghosh gneiss Gondwana grade granite granite gneiss grey Headquarters Hydel Project Hyderabad India indicated intruded Karnataka Kumar Laboratory limestone line km located logging magnetic magnetite mapped an area mica million tonnes mineral mineralisation nala NW-SE pegmatite phyllite power house quartz quartz veins quartzite Rajasthan regional river rock types S/Shri samples were collected sandstone scale schist seams sector sediments shale Sharma shear zone Shri siltstone Singh Siwalik spillway sq km sq km area Srivastava strike length studies sulphide surveys thickness tion Toposheet traverse trenching trending tunnel upto varying volcanics West