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 82
... Formation and Dhalbhum Formation of Singhbhum Group and Dalma Volcanics of the DVB ( Plate - 37 ) . The mica schist of Chaibasa Formation is mainly exposed in the southeastern part of the area . It is well foliated and crenulated and ...
... Formation and Dhalbhum Formation of Singhbhum Group and Dalma Volcanics of the DVB ( Plate - 37 ) . The mica schist of Chaibasa Formation is mainly exposed in the southeastern part of the area . It is well foliated and crenulated and ...
Page 84
... formation , calcareous rock and phyllite . These minor folds are tight to isoclinal , reclined and appressed having long limbs and narrow hinge zones . The long limb and axial plane of F1 folds are parallel and both clip steeply towards ...
... formation , calcareous rock and phyllite . These minor folds are tight to isoclinal , reclined and appressed having long limbs and narrow hinge zones . The long limb and axial plane of F1 folds are parallel and both clip steeply towards ...
Page 121
... formation of Eocene - Oligocene age . Based on past experience in a similar formation ( in a nearby dam at Chouldari ) regarding bore - hole collapse , frequently in shale formation , which was attributed to the fact that due to very ...
... formation of Eocene - Oligocene age . Based on past experience in a similar formation ( in a nearby dam at Chouldari ) regarding bore - hole collapse , frequently in shale formation , which was attributed to the fact that due to very ...
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