Records of the Geological Survey of India, Volume 125, Parts 3-5Government of India, 1990 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 27
... schist belt at its central part around RGF comprises talc - tremolite schist , hornblende schist , metabasalt , chlorite / sericite schist , acid volcanics , basic tuff , quartzite , chert , quartz - chlorite schist , Banded Iron ...
... schist belt at its central part around RGF comprises talc - tremolite schist , hornblende schist , metabasalt , chlorite / sericite schist , acid volcanics , basic tuff , quartzite , chert , quartz - chlorite schist , Banded Iron ...
Page 31
... schist , quartz - chlorite- sericite schist and banded iron formation , with thin quartz - ankerite veins . A major NNW - SSE trending shear zone conforming to the synformal axis is de- lineated . Besides , four cross faults trending NW ...
... schist , quartz - chlorite- sericite schist and banded iron formation , with thin quartz - ankerite veins . A major NNW - SSE trending shear zone conforming to the synformal axis is de- lineated . Besides , four cross faults trending NW ...
Page 45
... schist belt in the western margin consists of banded gneiss , migmatite and banded prophyritic gneiss . It is overlain by mataba- salt and its variants with minor acid volcanics . The con- tact between basement gneiss and the schist ...
... schist belt in the western margin consists of banded gneiss , migmatite and banded prophyritic gneiss . It is overlain by mataba- salt and its variants with minor acid volcanics . The con- tact between basement gneiss and the schist ...
Contents
Studies of granites of Hazaribagh Gaya and Palamau districts Bihar | 7 |
Geological mapping around PindaraBiharbariBaghmari area Bhagalpur district Bihar | 13 |
FIELD SEASON 199091 | 91 |
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Common terms and phrases
alignment amphibolite ANDHRA PRADESH anomaly bands basemetal basin Bihar biotite block boreholes charnockite chromite clay comprises CONSTRUCTION STAGE GEOTECHNICAL deposits depth DISTRICT dolerite drilled dykes earth dam east eastern Engineering Geology Engineering Geology Division excavation exposed field season folds foliation Formation geochemical GEOLOGICAL MAP geophysical Geotechnical and Special GEOTECHNICAL INVESTIGATION gneiss gold grained granite granite gneiss granitoid granulite grey Group grouting hill holes hornblende indicated irrigation joints KARNATAKA khondalite kimberlite laterite limestone located magnetite Meghalaya migmatite mineral mineralised zone nala occur Orissa pegmatite phyllite pink granite plagioclase power house proposed pyrite pyroxenite quartz quartz veins quartzite Quaternary Regional Geology reservoir river rock types samples sandstone scale schist schist belt schistose sediments shale shear zone Shillong Singhbhum slope soil Special Investigation spillway sq km stage geotechnical investigation strike length structure sulphide surveys syenite thick traverses trending tunnel upto volcanics West Bengal