Records of the Geological Survey of India, Volume 122, Parts 2-4Geological Survey of India, 1989 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 122
... zone ) numbering I to IV from bottom upwards . Seam zones , in general , are well defined and widely separated in the northern and eastern parts around DPD - 9 and DPD - 10 , while in the central part seam - zones II and III have ...
... zone ) numbering I to IV from bottom upwards . Seam zones , in general , are well defined and widely separated in the northern and eastern parts around DPD - 9 and DPD - 10 , while in the central part seam - zones II and III have ...
Page 86
... zone form shear zone schists like hornblende schist , talc - tremolite schist , quartz sericite schists etc. Width of the shear zone varies very frequently and ranges from 200 m to 800 m . This shear zone has been physically traced out ...
... zone form shear zone schists like hornblende schist , talc - tremolite schist , quartz sericite schists etc. Width of the shear zone varies very frequently and ranges from 200 m to 800 m . This shear zone has been physically traced out ...
Page 58
... zone is comparable with the Lower Barakar assemblage zones of other coal fields of India . Assemblage Zone II ( 73.85 m to 138.59 m ) is char- acterised by striate disaccates ( 56 % ) along with triletes ( 21 % ) and few monstriate ...
... zone is comparable with the Lower Barakar assemblage zones of other coal fields of India . Assemblage Zone II ( 73.85 m to 138.59 m ) is char- acterised by striate disaccates ( 56 % ) along with triletes ( 21 % ) and few monstriate ...
Contents
CENTRAL HEADQUARTERS 179 | 1 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 80104 | 80 |
COAL WING 105 174 | 105 |
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amphibolite analysed anomaly anorthosite assemblage bands Barakar Barakar Formation basin bed rock belt Bhuban Bihar BIHAR Code biotite block boreholes Calcutta carbonatite carried clay coal seams Coal Wing COALFIELD Construction stage geotechnical cores covered dam axis deposits depth Disang district drilling dykes Eastern Engineering Geology evaluation fault Feasibility stage field season folds geochemical geological mapping Geology Division-II Ops geophysical geotechnical investigation gneiss Gondwana grade grained granite granite gneiss grey Group grouting horizon indicate irrigation limestone lineaments located magnetic metamorphic mica migmatites mineral mineralisation nala occur Orissa pegmatite phyllite PPB PPB PRADESH quartz quartzite Quaternary Raniganj Reservoir Scheme river rock types samples sand sandstone scale schist sediments shale shear zone Shillong siltstone Singhbhum slope Special Investigation spillway sq km stage geotechnical investigation structure surface Survey of India Talchir thickness toposheet traverses trending Upper upto valley varies veins volcanics West Bengal