Records of the Geological Survey of India, Volume 140, Part 3The Survey, 2009 - 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 59
... shows the presence of biotite inclusion within gahnite ( ZnO ranges from 30.7-33.7 % ) as well as within sillimanite , which indicates that both gahnite and sillimanite are possibly produced from breakdown of biotite . This inclusion ...
... shows the presence of biotite inclusion within gahnite ( ZnO ranges from 30.7-33.7 % ) as well as within sillimanite , which indicates that both gahnite and sillimanite are possibly produced from breakdown of biotite . This inclusion ...
Page 120
... shows manifestation of shearing in the form of brecciation , anastomosing foliation , tension gashes , minor shear planes and stretching of mineral grains . Thin section studies show phyllite having quartz , sericite , muscovite ...
... shows manifestation of shearing in the form of brecciation , anastomosing foliation , tension gashes , minor shear planes and stretching of mineral grains . Thin section studies show phyllite having quartz , sericite , muscovite ...
Page 157
... shows bent twin lamellae suggesting pretectonic emplacement . Thin bands of magnetite , 1-1.5m in thickness , have been observed within the gabbroid envelope . Polished sections of the magnetite show very thin lenticular exsolutions of ...
... shows bent twin lamellae suggesting pretectonic emplacement . Thin bands of magnetite , 1-1.5m in thickness , have been observed within the gabbroid envelope . Polished sections of the magnetite show very thin lenticular exsolutions of ...
Contents
HEADQUARTER Page | 1 |
Study of Palaeotsunami depositsPalaeoseismology for estimation of recurrence history | 7 |
Photogeology and Remote Sensing Division | 13 |
Copyright | |
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Common terms and phrases
alkaline amphibolite Andaman anorthosite apatite arsenic bands BAptd barrage belt Bihar biotite block boreholes charnockite Chhotanagpur chlorite CODE complex composite comprises construction craton dam axis delineated depth Dolerite drainage drilling dyke Eastern Ghat EGMB Engineering Geology Engineering Geology Division exposed fault field season fold foliation Formation gabbro garnet Geochemical Mapping GEOLOGICAL MAP GEOLOGICAL SURVEY GEOTECHNICAL INVESTIGATION gneiss gneissic Gondwana grade grained granite gneiss granulite ground water hornblende indicate Jharkhand jhoras K-feldspar KENDUJHAR DISTRICT Khondalite landslide laterite leuconorite limestone located magmatic magnetite manganese manganiferous mg/l mica schist mineral mineralisation nala occur Orissa OVERVIEW pegmatite phyllite plagioclase Purulia quartz quartz veins quartzite range river samples were collected scale schist schistosity shear zone shows Sikkim Singhbhum slope spillway sq km SSSC STAGE GEOTECHNICAL INVESTIGATION stream sediment samples study area surface SURVEY OF INDIA syenite toposheet trend values varies water samples West Bengal