Records of the Geological Survey of India, Volume 113, Part 4The Survey, 1984 - Earthquakes Vols. 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 57
... Bangladesh border . Fur ther west in Bagura district of Bangladesh , west o Jamuna river , in the Kuchma drillings , crystallin basement has been encountered at shallow depth within 2,200 metres , below the Gangetic alluvium and ...
... Bangladesh border . Fur ther west in Bagura district of Bangladesh , west o Jamuna river , in the Kuchma drillings , crystallin basement has been encountered at shallow depth within 2,200 metres , below the Gangetic alluvium and ...
Page 68
... Bangladesh plains with an elevation ofabout 50 ' . Physiographically the area can be broadly divided into four major units viz . , ( 1 ) the plateau to the north , ( 2 ) moderate to high denudational / structural hills in the middle ...
... Bangladesh plains with an elevation ofabout 50 ' . Physiographically the area can be broadly divided into four major units viz . , ( 1 ) the plateau to the north , ( 2 ) moderate to high denudational / structural hills in the middle ...
Page 69
... Bangladesh rivers are Simsang , R Jadukata , Balat Dare of these rivers flow with numerous rapids ormous quantity of 1 world's highest rainf the Bangladesh plai rivers are mostly brai index and become r approach the plains . open out ...
... Bangladesh rivers are Simsang , R Jadukata , Balat Dare of these rivers flow with numerous rapids ormous quantity of 1 world's highest rainf the Bangladesh plai rivers are mostly brai index and become r approach the plains . open out ...
Contents
GEOLOGICAL SURVEY OF INDIA | 1 |
Problems of correlation of PreGondwana rock units of Arunachal Pradesh and adjoining areasa review | 15 |
The Abor Group of rocks in Arunachal Pradesh | 48 |
7 other sections not shown
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Common terms and phrases
Abor Volcanic Arunachal Pradesh assemblage associated axial bands basement bedrock beds belt biotite bore holes Buxa carbonatite Chattopadhyay chert chromite coal seam coalfields complex correlation Cretaceous crystalline Daling Darjeeling developed Disangs dykes exploration fault folds Formation Gamnom garnierite geochemical Geol Geological Survey GHOSH gneiss goethite Gondwana Grade grains granite Group Himalayas horizon ijolite Khasi limestone lineaments Lohit Lohit district Manipur Manipur East Maskut Meghalaya metamorphic migmatites mineral Mishmi Naga Hills Nagaland Nandy nepheline Ni-content North Eastern occur ophiolite ophiolite suite overburden phase Phokphur Plate postulated pyroxene pyroxenite quartz quartzite Ranga valley reflected refraction regional river rocks samples sandstone schist seam/s sedimentary sediments sequence serpentinite shale Shillong Siang district sillimanite Sirohi soil profile Sonapahar stratigraphic structural studies sub-surface Subansiri district Sung Valley Survey of India tectonic Tertiary thickness thrust Tidding serpentinites tion trending ultramafics Unpublished GSI Report upto veins zone