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
... developed with- in the complex excepting serpentinite . It is coarse- grained , individual grains being 5 mm - 15 mm across , pale green to greenish black in colour and generally massive . It occasionally shows steep dipping mineral ...
... developed with- in the complex excepting serpentinite . It is coarse- grained , individual grains being 5 mm - 15 mm across , pale green to greenish black in colour and generally massive . It occasionally shows steep dipping mineral ...
Page 32
... developed around Sung where three big lenses 100- 250 m in length and 30-50 m in width occur within a 850 m long and 250 m wide zone ( Plate 3.12 ) ( The largest lense not shown in the map ) . The rocks show well developed primary ...
... developed around Sung where three big lenses 100- 250 m in length and 30-50 m in width occur within a 850 m long and 250 m wide zone ( Plate 3.12 ) ( The largest lense not shown in the map ) . The rocks show well developed primary ...
Page 45
... developed over the ophiolites have been broadly classified into 2 groups viz , ( a ) those over serpentinised peridotites with approxi- mately 40 % Fe and average 1 % Ni and ( b ) those developed over weakly serpentinised peridotites ...
... developed over the ophiolites have been broadly classified into 2 groups viz , ( a ) those over serpentinised peridotites with approxi- mately 40 % Fe and average 1 % Ni and ( b ) those developed over weakly serpentinised peridotites ...
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