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 4
... SHALE CARBONACEOUS SHALE HMO GRIT COAL NOT TO SCALE PLATE 1.1 ( i ) Stratigraphic position ( i.e. , parting - height ) of each ( a ) Gondwana coal seam in respect of the base of any recognisable geological formation ( e.g. , Rani- ganj ...
... SHALE CARBONACEOUS SHALE HMO GRIT COAL NOT TO SCALE PLATE 1.1 ( i ) Stratigraphic position ( i.e. , parting - height ) of each ( a ) Gondwana coal seam in respect of the base of any recognisable geological formation ( e.g. , Rani- ganj ...
Page 50
... shale . The colour is generally medium to dark grey . The diamictite shows lateral gradation to finely layered argillite containing dispersed outsized clasts . The clasts range in size from granules to boulders and is polymictic ...
... shale . The colour is generally medium to dark grey . The diamictite shows lateral gradation to finely layered argillite containing dispersed outsized clasts . The clasts range in size from granules to boulders and is polymictic ...
Page 106
... shale , sandy shale at different depths . In of the coal samples , titanium is as high as 2 % by weight . In sandstone samples , it is as high as 4 % . No other rare elements are present exceeding a few ppm . Though coalfields of north ...
... shale , sandy shale at different depths . In of the coal samples , titanium is as high as 2 % by weight . In sandstone samples , it is as high as 4 % . No other rare elements are present exceeding a few ppm . Though coalfields of north ...
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