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 xxii
... rock averaging 7.3 % PO , has been estimated down to the depth of 50m . The carbonate rocks have been confirmed as carbonatite , based on REE data . Drilling in Bhabanipore - Baikunthapur Block , north of Beldih apatite deposit ...
... rock averaging 7.3 % PO , has been estimated down to the depth of 50m . The carbonate rocks have been confirmed as carbonatite , based on REE data . Drilling in Bhabanipore - Baikunthapur Block , north of Beldih apatite deposit ...
Page 73
... rocks are komatiitic basalts . In terms of CaO- Na2O , few rocks are spilitic . Komatiitic rocks in the area is found to occupy different horizons and it appears that ultramafic flows preceded basic volcanism . Low TiO , of Dhanjori ...
... rocks are komatiitic basalts . In terms of CaO- Na2O , few rocks are spilitic . Komatiitic rocks in the area is found to occupy different horizons and it appears that ultramafic flows preceded basic volcanism . Low TiO , of Dhanjori ...
Page 76
... rocks . The chromite - rich rocks show gradational textural features . Depending on the ratio of olivine and chromite contents in the rocks , the textures grade from a net - work of chromite grains between larger olivine ( seen in the ...
... rocks . The chromite - rich rocks show gradational textural features . Depending on the ratio of olivine and chromite contents in the rocks , the textures grade from a net - work of chromite grains between larger olivine ( seen in the ...
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