Records of the Geological Survey of India, Volume 134, Part 3Geological Survey of India, 1999 - 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 99
... sericite - quartz schist , quartzo feldspathic schist and mica schist with migmatites and pegmatites . A thin quartzite band is traced between Matkangara and Amtanr while a thicker band , occupying the southern periphery of the mapped ...
... sericite - quartz schist , quartzo feldspathic schist and mica schist with migmatites and pegmatites . A thin quartzite band is traced between Matkangara and Amtanr while a thicker band , occupying the southern periphery of the mapped ...
Page 171
... sericite . In thin sections , quartzites are recrystallised with mosaic of polygonal quartz and minor sercite ... sericite schist with massive quartzite interbands , quartzite with lenses of quartz - muscovite - sericite schist , quartz ...
... sericite . In thin sections , quartzites are recrystallised with mosaic of polygonal quartz and minor sercite ... sericite schist with massive quartzite interbands , quartzite with lenses of quartz - muscovite - sericite schist , quartz ...
Page 195
... sericite schist . These rocks are occurring as rafts within garnetiferous gneiss . A total of 150 cu . m pitting work has been carried out in Bhusal - Kanchanbahali sector to assess the thickness and nature of mineralisation . A total ...
... sericite schist . These rocks are occurring as rafts within garnetiferous gneiss . A total of 150 cu . m pitting work has been carried out in Bhusal - Kanchanbahali sector to assess the thickness and nature of mineralisation . A total ...
Contents
HEADQUARTERS Page | 1 |
Petrology Division | 7 |
Palynostratigraphy of the Gondwana sediments in the Brahmani and Birbhum coalfield | 13 |
Copyright | |
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alluvium amphibolite anomaly antiform axial bands basemetal basin bauxite beach bed rock belt Bihar biotite block BOLANGIR DISTRICT boreholes carried charnockite chromite coarse grained Code construction core samples covered Deogarh deposits depth DISTRICT drilled earth dam eastern Engineering Geology Engineering Geology Division excavated exposed fault field season fold foliation formation fracture gabbro garnet garnetiferous geochemical sampling GEOLOGICAL MAP Geology Division Opn geophysical GEOTECHNICAL INVESTIGATION gneiss Gondwana grade granite granite gneiss granitoids grey identified indicated intersected iron Jharkhand khondalite laminated landslide laterite lithounits located manganese mica schist mineralisation minerals nala occurs Orissa pegmatite phyllite Project Engineering Geology Purulia pyrite quartz quartz veins quartzite regional river sandstone scale schist sector shale shear zone Sikkim Singhbhum slope soil spillway sq.km stream sediment sampling strike length structure Super Group supracrustal surface survey synforms thickness toposheet trench trending ultramafic volcanics WEST BENGAL WEST SINGHBHUM