Records of the Geological Survey of India, Volume 130, Parts 2-3The Survey, 1995 - 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 28
... quartz pebble con- glomerate in between them . Smoky grey to black quartz veins which are known host of gold are emplaced roughly along the foliation of the phyllite and associated tale schist . The black quartz veins within the ...
... quartz pebble con- glomerate in between them . Smoky grey to black quartz veins which are known host of gold are emplaced roughly along the foliation of the phyllite and associated tale schist . The black quartz veins within the ...
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... quartz with subordinate to minor proportion of mica , epidote , tourmaline and opaque . Rare presence of chlorite , apatite , stilpnomelane and garnet is also noticed . Quartz forms a recrystallised xenoblastic to granoblastic mosaic ...
... quartz with subordinate to minor proportion of mica , epidote , tourmaline and opaque . Rare presence of chlorite , apatite , stilpnomelane and garnet is also noticed . Quartz forms a recrystallised xenoblastic to granoblastic mosaic ...
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... quartz in the area . Geologically , the area is constituted of quartz - mica schist , cherty quartzite and chlorite schist showing tuffaceous characters belonging to the Singhbhum Group . These rocks are later intruded by quartz veins ...
... quartz in the area . Geologically , the area is constituted of quartz - mica schist , cherty quartzite and chlorite schist showing tuffaceous characters belonging to the Singhbhum Group . These rocks are later intruded by quartz veins ...
Contents
ANTARCTICA DIVISION 5359 | 53 |
BHUTAN UNIT 6079 | 60 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING 80125 | 80 |
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amphibolite analysis Andaman anomaly assemblage bands Barakar Barakar Formation basalt basemetal basin belt Bhutan Bihar biotite block boreholes carried charnockites clay coal seams Coalfield coarse Code covered Deccan Deccan trap deposits depth Director district Division drilling east Eastern fault feldspar field season foliation garnet geochemical GEOLOGICAL MAP geophysical GEOTECHNICAL INVESTIGATION gneiss gold Gondwana grade grained granite gneiss granitoids granulite grey Group heavy minerals indicated intersected Kamthi lignite limestone lineament lithounits located magnetic metamorphism mica mineralisation occur olivine Orissa OVERVIEW pegmatite petrographic phyllite plagioclase potential present programme Project quartz quartz veins quartzite range Raniganj REGIONAL EXPLORATION river rocks sand sandstone scale schist seabed seam zones sector shale shear zone silty Singhbhum slope soil spillway sq km STAGE GEOTECHNICAL INVESTIGATION stream sediment surface Survey of India thickness tion toposheet trending ultramafic upto varies volcanics West Bengal