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 40
... weathering weathering conditions slowly migrates downwards . To study the vertical variation in further de- tails , mineralogical and trace element studies were undertaken for a selected soil profile ( I ) of Sirohi area . The details ...
... weathering weathering conditions slowly migrates downwards . To study the vertical variation in further de- tails , mineralogical and trace element studies were undertaken for a selected soil profile ( I ) of Sirohi area . The details ...
Page 44
... weathering history . Scatter Diagram A study of the scatter diagram ( Plate 4.7 ) based on the distribution of Fe - Ni in individual samples of the above population show the follow- ing features : ( i ) There are points which lie on a ...
... weathering history . Scatter Diagram A study of the scatter diagram ( Plate 4.7 ) based on the distribution of Fe - Ni in individual samples of the above population show the follow- ing features : ( i ) There are points which lie on a ...
Page 45
... weathering reaction ot in kind but in degree ( Dennen & Anderson , 1962 ) . Conceivably we may get incomplete breaking down of Ni - silicate structure , removal of part of profile etc thus attributing a superposed geochemis- try on the ...
... weathering reaction ot in kind but in degree ( Dennen & Anderson , 1962 ) . Conceivably we may get incomplete breaking down of Ni - silicate structure , removal of part of profile etc thus attributing a superposed geochemis- try on 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