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 3
... surface data as regards dip and strike of the beds exposed ; nature , alignment and amount of displace- ment ( throw ) by faulting ( if any ) .; extent of continu- ity of bed / s , coal seam , etc. on the surface ; nature of palaeo ...
... surface data as regards dip and strike of the beds exposed ; nature , alignment and amount of displace- ment ( throw ) by faulting ( if any ) .; extent of continu- ity of bed / s , coal seam , etc. on the surface ; nature of palaeo ...
Page 5
... 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 area contains large number ...
... 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 area contains large number ...
Page 6
... surface evidences , sup- plemented sometimes by the surface observations , existence of a fault met at depth in a bore hole can be reasonably correlated with the fault at the sur- face ( if , of course , the fault extends upto the ...
... surface evidences , sup- plemented sometimes by the surface observations , existence of a fault met at depth in a bore hole can be reasonably correlated with the fault at the sur- face ( if , of course , the fault extends upto 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