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
... hills , Chittagong hill tracts and coastal Burma be- longs to a single stratigraphic - tectonic unit , hereafter described as folds of the ' Surma Basin ' . The Miocene Surma basin is now represented by a series of anticlinal ridges and ...
... hills , Chittagong hill tracts and coastal Burma be- longs to a single stratigraphic - tectonic unit , hereafter described as folds of the ' Surma Basin ' . The Miocene Surma basin is now represented by a series of anticlinal ridges and ...
Page 68
... hills in the middle , ( 3 ) low lying denudational hills to the extreme south and ( 4 ) alluvium . ex- Topography in the area is controlled to some tent both by structure and lithology . The horizontal to sub - horizontal beds of the ...
... hills in the middle , ( 3 ) low lying denudational hills to the extreme south and ( 4 ) alluvium . ex- Topography in the area is controlled to some tent both by structure and lithology . The horizontal to sub - horizontal beds of the ...
Page 106
... Hills ) , six coal sample from Borsara ( West Khasi Hills ) , one coal sample from Manipur , eight rock rock samples from Phek ( Nagaland ) were used . Apart from Fe , Mn , Ni , all other elements in the range of detection are found to ...
... Hills ) , six coal sample from Borsara ( West Khasi Hills ) , one coal sample from Manipur , eight rock rock samples from Phek ( Nagaland ) were used . Apart from Fe , Mn , Ni , all other elements in the range of detection are found to ...
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