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 132
... anorthosite - granite suite of rocks , ( ii ) Geochronology of magmatism to the north of Rajgir - Gaya metasedimentary belt vis - a- vis that of Chhotanagpur Gneissic Complex and ( iii ) Nature of magnetite - ilmenite mineralisation ...
... anorthosite - granite suite of rocks , ( ii ) Geochronology of magmatism to the north of Rajgir - Gaya metasedimentary belt vis - a- vis that of Chhotanagpur Gneissic Complex and ( iii ) Nature of magnetite - ilmenite mineralisation ...
Page 138
... anorthosite to noritic anorthosite or gabbroic anorthosite and troctolitic to leuconorite . The central part of the massif is occupied by coarse to very coarse grained leuconorite which constitutes the main component of JAC . An overall ...
... anorthosite to noritic anorthosite or gabbroic anorthosite and troctolitic to leuconorite . The central part of the massif is occupied by coarse to very coarse grained leuconorite which constitutes the main component of JAC . An overall ...
Page 157
... anorthositic gabbro and anorthosite . Plagioclase in anorthosite often shows bent twin lamellae suggesting pretectonic emplacement . Thin bands of magnetite , 1-1.5m in thickness , have been observed within the gabbroid envelope ...
... anorthositic gabbro and anorthosite . Plagioclase in anorthosite often shows bent twin lamellae suggesting pretectonic emplacement . Thin bands of magnetite , 1-1.5m in thickness , have been observed within the gabbroid envelope ...
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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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