Records of the Geological Survey of India, Volume 114Geological Survey of India, 1986 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 147
... quartz - sericite schist , quartz - chlorite schist , quartzite and epidiorite belonging to the Daling Formation . Two thin bands of quartz - magnetite rock with very poor Pb - Zn sulphide mineralisation were noticed in Thare khola ...
... quartz - sericite schist , quartz - chlorite schist , quartzite and epidiorite belonging to the Daling Formation . Two thin bands of quartz - magnetite rock with very poor Pb - Zn sulphide mineralisation were noticed in Thare khola ...
Page 148
... quartz - galena- sphalerite - pyrite - pyrrhotite ore bodies occur in segrega- ted lenses ( upto 240 m in strike length and upto 13.17 m in width ) containing ( upto 30.98 % ) Pb + Zn . There are four major horizons of quartz ...
... quartz - galena- sphalerite - pyrite - pyrrhotite ore bodies occur in segrega- ted lenses ( upto 240 m in strike length and upto 13.17 m in width ) containing ( upto 30.98 % ) Pb + Zn . There are four major horizons of quartz ...
Page 180
... quartz - major , amphibole - good amount and felspar - trace . ( i ) Three powdered samples from Adash area , Sambal- pur district , Orissa were analysed . In one sample Kaoli- nite was major with good amount of goethite ; in the other ...
... quartz - major , amphibole - good amount and felspar - trace . ( i ) Three powdered samples from Adash area , Sambal- pur district , Orissa were analysed . In one sample Kaoli- nite was major with good amount of goethite ; in the other ...
Contents
DRILLING DIVISION | 5 |
MAHARASHTRA CIRCLE EAST | 10 |
PUBLICATION INFORMATION DIVISION | 23 |
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Common terms and phrases
alignment amphibolite analysed Andhra Pradesh anomaly bands basin bed rock belt Bihar biotite block boreholes carried chalcopyrite charnockite clay coalfield comprising core covering an area depth dips Director DISTRICT Division dolomite drill holes dykes excavation exploration exposed fault folds foliation Formation geochemical geological investigation geological mapping geotechnical investigation glacier gneiss Gondwana granite gneiss granitoid grey Group Headquarters Hydel Project indicated intrusive Jammu Karnataka km long Laboratory Ladakh laterite limestone line km lineaments located logging magnetic magnetite mapped an area mica migmatites mineralisation minerals nala occur Orissa pegmatite phyllite pits power house proposed pyrite quartz quartz veins quartzite Rajasthan regional river rock types samples were collected sandstone scale schist seams sector sediments shale shear zone Shri siltstone slate spillway sq km sq km area strike length studies sulphide Survey of India thickness tion tonnes toposheet trending tunnel upto valley varying volcanics