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 13
Major lithounits recorded are different types of composite - gneiss ,
porphyroblastic granite gneiss , graphite bearing garnet - sillimanite - quartz mica
schist , quartz mica - schist , quartzite , calc - silicate rocks and metabasites .
These are ...
Major lithounits recorded are different types of composite - gneiss ,
porphyroblastic granite gneiss , graphite bearing garnet - sillimanite - quartz mica
schist , quartz mica - schist , quartzite , calc - silicate rocks and metabasites .
These are ...
Page 74
The area exposes two groups of metamorphosed volcano - sedimentary rocks
separated by an unconformity defined by the presence of a conglomerate bed at
the base of the younger group containing clasts of quartzite , mica schist , chert ...
The area exposes two groups of metamorphosed volcano - sedimentary rocks
separated by an unconformity defined by the presence of a conglomerate bed at
the base of the younger group containing clasts of quartzite , mica schist , chert ...
Page 141
The higher values of Zn ( Viz ; 1100 ppm , 1800 ppm , 1250 ppm , 925 ppm ) was
shown by silicified metabasic rocks and limonitic quartzite . The values of Ni
ranges from 15 ppm to 2000 ppm . The higher values of Ni ( viz . 950 ppm , 1280
...
The higher values of Zn ( Viz ; 1100 ppm , 1800 ppm , 1250 ppm , 925 ppm ) was
shown by silicified metabasic rocks and limonitic quartzite . The values of Ni
ranges from 15 ppm to 2000 ppm . The higher values of Ni ( viz . 950 ppm , 1280
...
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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 |