Records of the Geological Survey of India, Volume 114, Parts 1-2Government of India, 1984 - 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 144
... sericite quart- zites . These exhibit broad and at places closed fold systems . Granites are massive , porphyritic and biotite rich . These are intruded into the schists and quartzites and display sharp contacts with schists at few ...
... sericite quart- zites . These exhibit broad and at places closed fold systems . Granites are massive , porphyritic and biotite rich . These are intruded into the schists and quartzites and display sharp contacts with schists at few ...
Page 148
... sericite schist , sericite - phyllite , carbon - phyllite , quartzite and epidiorite . Lingtse granite occupies a vast stretch of land near Rorathang - Rangli section of Sikkim . The regional schistosity of the rocks generally varies ...
... sericite schist , sericite - phyllite , carbon - phyllite , quartzite and epidiorite . Lingtse granite occupies a vast stretch of land near Rorathang - Rangli section of Sikkim . The regional schistosity of the rocks generally varies ...
Page 212
... sericite quartzite / schist ( graphitic / garne- tiferous at places ) , garnet - sillimanite - biotite . gneiss , garne- tiferous amphibolite , peridotite , gabbro , anorthositic gabbro , hornblende - biotite gneiss ( usually ...
... sericite quartzite / schist ( graphitic / garne- tiferous at places ) , garnet - sillimanite - biotite . gneiss , garne- tiferous amphibolite , peridotite , gabbro , anorthositic gabbro , hornblende - biotite gneiss ( usually ...
Contents
GEOCHRONOLOGY AND ISOTOPE GEOLOGY DIVISION | 4 |
STRATIGRAPHY AND PALAEONTOLOGY DIVISION | 14 |
MAP DIVISION | 23 |
Copyright | |
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alignment amphibolite analysis Andhra Pradesh anomaly bands basalt basin bed rock belt biotite block boreholes carried chalcopyrite charnockite clay coalfield comprising core covering an area Deccan Trap depth dips Director DISTRICT Division dolomite drill holes dykes earth dam excavation exploration exposed fault flank foliation Formation foundation geochemical geological investigation geological mapping Geologist geophysical geotechnical gneiss Gondwana granite gneiss grey Group Headquarters Hydel India indicated intruded Karnataka km long Laboratory laterite limestone line km lineaments located logging Madhya Pradesh magnetic magnetite mapped an area mica migmatites mineralisation minerals nala occur Orissa pegmatite phyllite pits power house Project proposed pyrite quartz quartz veins quartzite Rajasthan regional river rock types S/Shri samples were collected sandstone scale schist seams sediments shale shear zone Shri soil spillway sq km strike length studies sulphide Supergroup surveys thickness tion tonnes toposheet traverse trending tunnel upto valley varying Vindhyan volcanic width