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 17
... Group Unclassified Eocene Jaintia Group Kopili Formation Predominantly arenaceous se- quence with rare calcareous shale . Ferruginous sandstone alternat- ing with khaki green shale and rare greyish - white nummulitic limestone . Sylhet ...
... Group Unclassified Eocene Jaintia Group Kopili Formation Predominantly arenaceous se- quence with rare calcareous shale . Ferruginous sandstone alternat- ing with khaki green shale and rare greyish - white nummulitic limestone . Sylhet ...
Page 19
... Group overlies the Barail Group of rocks with an unconformity marked by a bed of conglomerate which is more pronounced with larger clasts . However , the occurrence of this conglomerate is not uniform throughout and is often found ...
... Group overlies the Barail Group of rocks with an unconformity marked by a bed of conglomerate which is more pronounced with larger clasts . However , the occurrence of this conglomerate is not uniform throughout and is often found ...
Page 91
... Group and arenaceous Barail Group of rocks occupy major part of the area . The Disang Group of rocks are confined to the valleys while the Barails form high rising sandstone hills . The Surma Group constituting the Neogene sequence is ...
... Group and arenaceous Barail Group of rocks occupy major part of the area . The Disang Group of rocks are confined to the valleys while the Barails form high rising sandstone hills . The Surma Group constituting the Neogene sequence is ...
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