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 78
... mica - pegmatite is mica gneiss ( generally biotite - rich ) containing migmatitic patches , where occurrence of mica pegmatites occur in abundance . A total of 520.10 m drilling was done in five bore- holes ( four completed and one in ...
... mica - pegmatite is mica gneiss ( generally biotite - rich ) containing migmatitic patches , where occurrence of mica pegmatites occur in abundance . A total of 520.10 m drilling was done in five bore- holes ( four completed and one in ...
Page 93
... MICA BIHAR Gaya and Hazaribagh districts S. P. Singh and B. K. Acharyya mapped an area of 205 sq km on 1 : 31,680 scale in Saphi North and Saphi South Sub - Blocks . The rocktypes include mica schist , mica gneiss , quartzite ...
... MICA BIHAR Gaya and Hazaribagh districts S. P. Singh and B. K. Acharyya mapped an area of 205 sq km on 1 : 31,680 scale in Saphi North and Saphi South Sub - Blocks . The rocktypes include mica schist , mica gneiss , quartzite ...
Page 183
... MICA ANDHRA PRADESH The integrated programme for mica exploration was continued in the Nellore Mica Belt . A. K. Rao , J. N. Das and P. N. Sharma carried out the work at Ammavari- palem - Tatiparti , Pokkandala and Shah Mine Blocks . An ...
... MICA ANDHRA PRADESH The integrated programme for mica exploration was continued in the Nellore Mica Belt . A. K. Rao , J. N. Das and P. N. Sharma carried out the work at Ammavari- palem - Tatiparti , Pokkandala and Shah Mine Blocks . An ...
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