Records of the Geological Survey of India, Volume 128, Part 3Vols. 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 97
SSE trending fault . Close - spaced NE - SW trending fractures are very
prominent . A narrow strip of gneissic rock is exposed in a NW - SE oriented
linear area between the Gondwana and the Gangpurs . A younger granitic rock
showing a ...
SSE trending fault . Close - spaced NE - SW trending fractures are very
prominent . A narrow strip of gneissic rock is exposed in a NW - SE oriented
linear area between the Gondwana and the Gangpurs . A younger granitic rock
showing a ...
Page 100
rocks , is seen along the N - S trending shear zone , which seperates Easternghat
group of rocks in the east from the basement rocks in the west . The Easternghat
Group in this area is dominantly represented by Khondalite which forms linear ...
rocks , is seen along the N - S trending shear zone , which seperates Easternghat
group of rocks in the east from the basement rocks in the west . The Easternghat
Group in this area is dominantly represented by Khondalite which forms linear ...
Page 103
Central portion of the metasediments trending E - W abuts against a composite
feature of two circular bodies ( Plutons ? ) . Thin zones of these metasediments
wrap around the suspected plutons and form part of a slightly arcuate and
elongate ...
Central portion of the metasediments trending E - W abuts against a composite
feature of two circular bodies ( Plutons ? ) . Thin zones of these metasediments
wrap around the suspected plutons and form part of a slightly arcuate and
elongate ...
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Contents
Coastal studies and Neotectonics | 5 |
Chhotonagpur Gneiss East | 12 |
Investigation for copper and associated mineralisation | 18 |
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Common terms and phrases
Andaman anomaly apatite associated bands base basemetal basic basin belt Bihar block body boreholes carried clay Code collected complex conglomerate construction continued covered deposits depth detailed Director district Division drilling east Eastern Engineering exploration exposed extension faults FIELD SEASON fold Formation GEOLOGICAL MAP geophysical geotechnical gneiss gold grade grained granite granite gneiss gravity Group INDEX indicate intersected intrusive Island land length lineaments located magnetic major mineralisation minerals nature occur Orissa OVERVIEW phyllite places Plate potential present Project proposed quartz quartz veins quartzite recorded regional REPORTS represented river road rocks samples sand scale schist sector sediments sequence sericite shear zone Singhbhum slope soil sq km stage strike structural suggested surface SURVEY SURVEY OF INDIA taken thick tion trending types values volcanics West Bengal western