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 5
... tion of bore hole , sub - surface inter - section position of coal seam / s gets shifted in respect of the postula- ted position as per calculations and as a result cor- relation of seam / s appear doubtful . ( iv ) If the operational ...
... tion of bore hole , sub - surface inter - section position of coal seam / s gets shifted in respect of the postula- ted position as per calculations and as a result cor- relation of seam / s appear doubtful . ( iv ) If the operational ...
Page 55
... tion between them ( Mullick and Basu Chowdhury , 1968 , Nandy et al , 1975 ) . The present author , also , while mapping in the Siang and Subansiri districts found gradual transi- tion from the lower Gondwana shales to Miri / Buxa ...
... tion between them ( Mullick and Basu Chowdhury , 1968 , Nandy et al , 1975 ) . The present author , also , while mapping in the Siang and Subansiri districts found gradual transi- tion from the lower Gondwana shales to Miri / Buxa ...
Page 86
... tion . The tearing apart of the schist band has taken place essentially due to shearing , that induced the differential movement of the migmatitic com- ponents . Three generations of folding have been recognised in the area . The ...
... tion . The tearing apart of the schist band has taken place essentially due to shearing , that induced the differential movement of the migmatitic com- ponents . Three generations of folding have been recognised in the area . The ...
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