Records of the Geological Survey of India, Volume 127, Parts 3-4Government of India, 1992 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 46
... granite . Xenoliths of metabasalt and quartz- ite within gabbro are seen east of Mahuldiha ( 21 ° 43 ' : 85 ° 01 ' ) and Masainta ( 21 ° 29'10 " : 83 ° 44'20 " ) . The gabbro is coarse grained , meso - to melanocratic , and is made up ...
... granite . Xenoliths of metabasalt and quartz- ite within gabbro are seen east of Mahuldiha ( 21 ° 43 ' : 85 ° 01 ' ) and Masainta ( 21 ° 29'10 " : 83 ° 44'20 " ) . The gabbro is coarse grained , meso - to melanocratic , and is made up ...
Page 55
... Granite Greenstone ( Ops : Orissa ) 220 85 ° 45 ' 2 A -IB A SCALE. Study of granite - greenstone assemblage in Mayurbhanj and Keonjhar districts , Orissa , was continued during the field season 1992-93 . For this purpose an area of 425 ...
... Granite Greenstone ( Ops : Orissa ) 220 85 ° 45 ' 2 A -IB A SCALE. Study of granite - greenstone assemblage in Mayurbhanj and Keonjhar districts , Orissa , was continued during the field season 1992-93 . For this purpose an area of 425 ...
Page 123
... granite gneiss ( Bagmundi granite ) including various en- claves of metasedimentary rocks ( zone of mappable dimensions ) appears to be the oldest unit of the area . The very coarse , pink , porphyritic granite gneiss ( Jhalda granite ) ...
... granite gneiss ( Bagmundi granite ) including various en- claves of metasedimentary rocks ( zone of mappable dimensions ) appears to be the oldest unit of the area . The very coarse , pink , porphyritic granite gneiss ( Jhalda granite ) ...
Contents
Chhotanagpur Gneiss | 8 |
Geological mapping and geochomical survey to the south | 15 |
Singhbhum Belt and North Singhbhum Shear Zone | 22 |
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ABSTRACTS OF PROGRESS Aizawl alignment amphibolite Andaman anomaly apatite ARUNACHAL PRADESH Assam bands bank basin bed rock belt Bihar biotite block boreholes Brahmaputra carbonatite chert chlorite chromite clay conglomerate Dalma deposits depth district drilling east Engineering Geology erosion exposed EXTENDED ABSTRACTS faults field season flood plain folds foliation Formation geochemical GEOLOGICAL MAP geophysical geotechnical investigation gneiss gold grained granite gneiss grey Group of rocks GSI Rec INDEX indicated Irrigation Keonjhar LATERITE limestone lithounits located manganese Manipur Meghalaya metasedimentary mica schist mineral nala occur Orissa OVERVIEW phyllite Plate proposed Purulia quartz quartz veins quartzite Quaternary regional river samples sand sandstone scale schist sector sedimentary sequence shale Shear Zone Shillong Sikkim silt siltstone Singhbhum granite slope soil spillway sq km sq.km stage geotechnical investigation structures sulphides Supergroup surface SURVEY OF INDIA thick tion toposheet traverses trending tunnel ultramafic unconformably upto volcanics West Bengal