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 41
... Shillong Group of rocks . The eastern and southern parts of the area are occupied by a granitic complex represented mainly by biotite granite . The youngest group of rocks exposed in the area is represented by isolated cappings of sub ...
... Shillong Group of rocks . The eastern and southern parts of the area are occupied by a granitic complex represented mainly by biotite granite . The youngest group of rocks exposed in the area is represented by isolated cappings of sub ...
Page 105
... Shillong CONSTRUCTION STAGE GEOTECHNICAL INVESTIGATION OF LOWER BORPANI HYDROELECTRIC PROJECT ,. Tilabari village . But in the houses which are made of thick mud walls no damage has taken place . On the basis of these evidences and ...
... Shillong CONSTRUCTION STAGE GEOTECHNICAL INVESTIGATION OF LOWER BORPANI HYDROELECTRIC PROJECT ,. Tilabari village . But in the houses which are made of thick mud walls no damage has taken place . On the basis of these evidences and ...
Page 156
... Shillong Group status . Shillong Group rocks , along with the mafic - ultramafic rocks have undergone lower greenschist facies of metamorphism . Imprints of later thermal metamorphism temporarily and spatially related to granite pluton ...
... Shillong Group status . Shillong Group rocks , along with the mafic - ultramafic rocks have undergone lower greenschist facies of metamorphism . Imprints of later thermal metamorphism temporarily and spatially related to granite pluton ...
Contents
CONTENTS | 1 |
Quaternary geological and geomorphological mapping of the ChandanBadua | 7 |
Quaternary geological mapping in KosiGandak interfluve tract North Bihar | 13 |
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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