Records of the Geological Survey of India, Volume 123, Parts 3-4Government of India, 1990 - 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 42
... grained , non - foliated light greyish biotite granite containing variable proportions of biotite , quartz and feldspar . A fine grained variety of granite occurs , at places , as small patches or as bands ( 15-20 cm ) within the medium ...
... grained , non - foliated light greyish biotite granite containing variable proportions of biotite , quartz and feldspar . A fine grained variety of granite occurs , at places , as small patches or as bands ( 15-20 cm ) within the medium ...
Page 123
... grained sandstone - 46 % and 4 ) mudstone / claystone / sandy aquifer - 5 % . Tunnelling grade rock , classified according to the NGI ( Barton et.al ) , belong to fair , poor and exceptionally poor class , and evaluated roof support ...
... grained sandstone - 46 % and 4 ) mudstone / claystone / sandy aquifer - 5 % . Tunnelling grade rock , classified according to the NGI ( Barton et.al ) , belong to fair , poor and exceptionally poor class , and evaluated roof support ...
Page 156
... grained quartz Monzo - Syenite , ( v ) dark grey , medium grained hornblende - biotite quartz Diorite and ( vi ) very coarse to medium grained biotite granite . These granite variants were emplaced in three pulses . The first pulse is ...
... grained quartz Monzo - Syenite , ( v ) dark grey , medium grained hornblende - biotite quartz Diorite and ( vi ) very coarse to medium grained biotite granite . These granite variants were emplaced in three pulses . The first pulse is ...
Contents
CONTENTS | 1 |
Quaternary geological and geomorphological mapping of the ChandanBadua | 7 |
Quaternary geological mapping in KosiGandak interfluve tract North Bihar | 13 |
Copyright | |
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alignment amphibolite anomaly anorthosite bands basin bed rock belt BIHAR BIHAR Code biotite block boreholes chromite clay CONSTRUCTION STAGE GEOTECHNICAL covered cut-off dam axis deposits depth Disang district drilling earth dam Engineering Geology Engineering Geology Division-IV excavation exposed EXTENDED ABSTRACTS field season folds foliation Formation foundation geochemical geological mapping Geology Division-II Ops geomorphological geophysical Geotechnical and Special GEOTECHNICAL INVESTIGATION gneiss gneissic Gondwana grained granite granite gneiss granitoid graphite grey grouting GSI Vol hill indicate irrigation khondalite lineaments located Meghalaya migmatites mineralisation minerals nala occur ORISSA ORISSA Code pegmatite phyllite plagioclase power house proposed Purulia Purulia district quartz veins quartzite Quaternary Regional Geology Division right bank samples sandstone scale schist sediments shale shear zone Shillong siltstone Singhbhum slope soil Special Investigation spillway sq km STAGE GEOTECHNICAL INVESTIGATION structure surface SURVEY OF INDIA thick toposheet traverse trending tunnel upto volcanic weathered West Bengal