Records of the Geological Survey of India, Volume 129, Parts 3-4Government of India, 1994 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 24
... migmatites Kotshila Fault Zone 1 Kiribera 2 Bansal 3 " 3 11 4 » 111 5 Karunamandi 6 Raghunathpur 9 Dhuniadangu 10 Maguria - Laipur 11 Lalpur 17 Sindurpur 12 Nandanpur - Ramkristinapur 13 Chadannagar 14 Upardanga 7 Isradanga | 15 ...
... migmatites Kotshila Fault Zone 1 Kiribera 2 Bansal 3 " 3 11 4 » 111 5 Karunamandi 6 Raghunathpur 9 Dhuniadangu 10 Maguria - Laipur 11 Lalpur 17 Sindurpur 12 Nandanpur - Ramkristinapur 13 Chadannagar 14 Upardanga 7 Isradanga | 15 ...
Page 160
... migmatite like structure with grey and pink colour banding akin to the famous multicoloured granite and have taken good polish . South of Jhajha a dolerite dyke is seen trending WNW - ESE for about one km . Both ends of ... migmatites 160.
... migmatite like structure with grey and pink colour banding akin to the famous multicoloured granite and have taken good polish . South of Jhajha a dolerite dyke is seen trending WNW - ESE for about one km . Both ends of ... migmatites 160.
Page 189
... migmatites and granite gneisses . Loose morrumy material generally caps the mineralised belt . The general trend of rocks is NNE - SSW with dips of 60 ° to 75 ° towards ESE . The manganese ore occurs along three main prominent bands ...
... migmatites and granite gneisses . Loose morrumy material generally caps the mineralised belt . The general trend of rocks is NNE - SSW with dips of 60 ° to 75 ° towards ESE . The manganese ore occurs along three main prominent bands ...
Contents
WEST BENGAL SIKKIM A N ISLANDS | 1 |
Report of investigation for rare metal mineralisation within pegmatite | 7 |
Gold | 14 |
Copyright | |
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Common terms and phrases
acid volcanics amphibolite Andaman anomaly Arunachal Pradesh Assam bands basemetal basin bed rock belt Bihar biotite block boreholes Chhotanagpur clay Code colour comprising conglomerate covered depth Division drilling dykes east eastern Engineering Geology erosion exploration exposed fault feldspar field season fold foliation Formation geochemical GEOLOGICAL MAP geophysical GEOTECHNICAL INVESTIGATION gneiss gneissic gold Gondwana grade granite granite gneiss granitoids grey Group of rocks GSI Rec Hills district identified intrusives Karbi Anglong laterite limestone lineament lithological located medium grained Meghalaya mica schist migmatites mineralisation minerals nala occurs Orissa OVERVIEW pegmatite phyllite plagioclase Proterozoic Purulia district quartz quartz veins quartzite Quaternary Region river sand sandstone scale schist sector sequence shale Shillong Shillong Group Sikkim siltstone Singhbhum slope soil spillway sq km STAGE GEOTECHNICAL INVESTIGATION stream sediment samples structure sulphide Surface SURVEY OF INDIA terrain thick Toposheet trending ultramafic upto West Bengal western