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 35
... content in both the sub - facies do not show any recognisable change as against wide fluctuation in the Ni - values . ( ii ) The maximum Ni - content in massive ultra- mafics is of much higher order than the corres- ponding values in ...
... content in both the sub - facies do not show any recognisable change as against wide fluctuation in the Ni - values . ( ii ) The maximum Ni - content in massive ultra- mafics is of much higher order than the corres- ponding values in ...
Page 40
... Ni - bearing or not . Electronprobe studies may resolve this problem . ( iii ) The Cu - Pb - Zn content is of uniformly low level and is not reflected in the mineralogy . ( iv ) Curiously , though the Cr - content shows fluctuations ...
... Ni - bearing or not . Electronprobe studies may resolve this problem . ( iii ) The Cu - Pb - Zn content is of uniformly low level and is not reflected in the mineralogy . ( iv ) Curiously , though the Cr - content shows fluctuations ...
Page 44
... Ni with the observed Ni - concentration in goethite , garnierite etc. Similarly , the sample Fe - curve would ... content with the presence of goethite . ( ii ) The cluster of points lying between the above zone and the ordinate perhaps ...
... Ni with the observed Ni - concentration in goethite , garnierite etc. Similarly , the sample Fe - curve would ... content with the presence of goethite . ( ii ) The cluster of points lying between the above zone and the ordinate perhaps ...
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