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 27
... Kf pyroxenite . X nicols , 20 X C. PLATE 3.06 Regularly banded carbonatite . Northwest of Maskut . late fine medium grained carbonatite veins . North of Maskut . PLATE 3.09 : Zoned aegirine augite in feldspathic PLATE 3.11.
... Kf pyroxenite . X nicols , 20 X C. PLATE 3.06 Regularly banded carbonatite . Northwest of Maskut . late fine medium grained carbonatite veins . North of Maskut . PLATE 3.09 : Zoned aegirine augite in feldspathic PLATE 3.11.
Page 62
... Plate ( Plate 7.1 ) Earlier ' Mishmi Gneiss ' was believed to be the basement thrusted over the metamorphites and con- sidered equivalent to the Central Crystalline Com- plex of the Higher Himalaya , while the Tidding Serpentinite was ...
... Plate ( Plate 7.1 ) Earlier ' Mishmi Gneiss ' was believed to be the basement thrusted over the metamorphites and con- sidered equivalent to the Central Crystalline Com- plex of the Higher Himalaya , while the Tidding Serpentinite was ...
Page 77
... Plate 9.2 This generalised time - distance curve explains the observations of the reflection signals near point of critical angle . The reflections near the critical distance are indistinct due to interference with other waves . Plate ...
... Plate 9.2 This generalised time - distance curve explains the observations of the reflection signals near point of critical angle . The reflections near the critical distance are indistinct due to interference with other waves . Plate ...
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