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 17
... metamorphic reactions and both Potin and Khetabari Formations are interpreted as overthrust units while the ... metamorphism grades from green- schist to almandine - amphibole sub - facies ( c ) the phyl- litic / slaty basal units of the ...
... metamorphic reactions and both Potin and Khetabari Formations are interpreted as overthrust units while the ... metamorphism grades from green- schist to almandine - amphibole sub - facies ( c ) the phyl- litic / slaty basal units of the ...
Page 18
... metamorphic rocks grade imperceptibly along the strike and vertically into younger sedimentaries of Miri Group which are locally metamorphosed under green - schist facies . The Miri quartzites are regarded by some wor- kers as younger ...
... metamorphic rocks grade imperceptibly along the strike and vertically into younger sedimentaries of Miri Group which are locally metamorphosed under green - schist facies . The Miri quartzites are regarded by some wor- kers as younger ...
Page 87
... metamorphism of hyperaluminous pelitic sediments containing excess alumina ( e.g. , lithomargic or bauxitic clays ) and ... metamorphic process which in regionally migmatized areas is posterior to syntectonic metatectic migma- tization ...
... metamorphism of hyperaluminous pelitic sediments containing excess alumina ( e.g. , lithomargic or bauxitic clays ) and ... metamorphic process which in regionally migmatized areas is posterior to syntectonic metatectic migma- tization ...
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