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 25
... trending intracratonic basin within the basement . The southern fringe of the craton is occupied by Mesozoic - Tertiary sediments overlying the Mesozoic Sylhet Traps . Several phases of granitic intrusions have been recognised within ...
... trending intracratonic basin within the basement . The southern fringe of the craton is occupied by Mesozoic - Tertiary sediments overlying the Mesozoic Sylhet Traps . Several phases of granitic intrusions have been recognised within ...
Page 60
... trending Dauki fault system involving the crystal- line basement . Thus the Surma tectonic event found some inhomogeneities in the basin floor that may have guided the Pliocene folds and faults . This is more pronounced towards the ...
... trending Dauki fault system involving the crystal- line basement . Thus the Surma tectonic event found some inhomogeneities in the basin floor that may have guided the Pliocene folds and faults . This is more pronounced towards the ...
Page 59
... trending anticlines , the Sylhet and Chha- tak structures . 3. The folded zone is wider in the central part in comparison to the southern part . The cen- tral part shows a large number of anticlinal ridges that are less in the south ...
... trending anticlines , the Sylhet and Chha- tak structures . 3. The folded zone is wider in the central part in comparison to the southern part . The cen- tral part shows a large number of anticlinal ridges that are less in the south ...
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