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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Results 1-3 of 18
Page 13
Coarse grained porphyroblastic granite occurs in the northern part of the area , it
is leucocratic to mesocratic rock with moderately developed gneissosity having
general EW trend and northerly dip . It contains fine to medium grained biotite
rich ...
Coarse grained porphyroblastic granite occurs in the northern part of the area , it
is leucocratic to mesocratic rock with moderately developed gneissosity having
general EW trend and northerly dip . It contains fine to medium grained biotite
rich ...
Page 88
At places , quartz grains are recrystallised ; sericite flakes are arranged in a
preferred direction and are bent and curved ... The non - porphyritic type is seen
in Rajamunda and surrounding area and is fine grained , more or less
equigranular ...
At places , quartz grains are recrystallised ; sericite flakes are arranged in a
preferred direction and are bent and curved ... The non - porphyritic type is seen
in Rajamunda and surrounding area and is fine grained , more or less
equigranular ...
Page 89
The groundmass is very fine grained consisting of anhedral quartz , long
prismatic grains of feldspar , secondary epidote - zoisite , devitrified glass ,
ehloritic minerals and opaques . There is a tendency of the long prisms of
feldspar and the ...
The groundmass is very fine grained consisting of anhedral quartz , long
prismatic grains of feldspar , secondary epidote - zoisite , devitrified glass ,
ehloritic minerals and opaques . There is a tendency of the long prisms of
feldspar and the ...
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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
Bibliographic information
| Title | Records of the Geological Survey of India, Volume 128, Part 3 Memoirs of the Geological Survey of India |
| Author | Geological Survey of India |
| Publisher | The Survey, 1995 |
| Original from | the University of Michigan |
| Digitized | 3 Aug 2009 |
| Export Citation | BiBTeX EndNote RefMan |