Records of the Geological Survey of IndiaThe Survey, 1986 - 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 25
... strike length of nearly 60 kms . Thus , the rock types represent Central Himalayan Crysta- llines cropping out along the foot hill region of Lohit Hima- layas . Younger sedimentary rock formations outskirting the lower Himalayas ...
... strike length of nearly 60 kms . Thus , the rock types represent Central Himalayan Crysta- llines cropping out along the foot hill region of Lohit Hima- layas . Younger sedimentary rock formations outskirting the lower Himalayas ...
Page 33
... strike length of 10 km in the area in NW - SE direction and dipping at an angle of 60 ° towards NE . ( 3 ) A nearly 400 m wide band of crystalline limestone with a 10 m intercalation of schist was traced from Roing - Hunki road section ...
... strike length of 10 km in the area in NW - SE direction and dipping at an angle of 60 ° towards NE . ( 3 ) A nearly 400 m wide band of crystalline limestone with a 10 m intercalation of schist was traced from Roing - Hunki road section ...
Page 75
... Strike and dip of foliation Faults / T . Br . - Tectonic breccio Antiformal axis Synformal axis Strike and Photoin- Tecto- Village Stream Stromal limestone -C Coal streaks . N. D. Mitra et . al Fig . 16 25 ° Joo 25 ° 15 ' 25 O 30 ' 26 ...
... Strike and dip of foliation Faults / T . Br . - Tectonic breccio Antiformal axis Synformal axis Strike and Photoin- Tecto- Village Stream Stromal limestone -C Coal streaks . N. D. Mitra et . al Fig . 16 25 ° Joo 25 ° 15 ' 25 O 30 ' 26 ...
Contents
PETROLOGY AND CHEMISTRY OF LEUCOCRATIC ROCKS FROM NAGA | 1 |
BLUE SCHISTS C TYPE ECLOGITES AND GARNET BEARING MAFIC | 7 |
THE NICKELIFEROUS MAGNETITE ASSOCIATED WITH THE NAGA | 15 |
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Abor Volcanics albite amphibolite antiform Arunachal Pradesh assemblage basin blue schists calcite Chattopadhyay cherty chlorite chromite coarse colour column Dalbuing Delai river deposits diamictite Disang Formation East Siang district eclogites Eocene epidote facies feldspar float boulders folding foliation foot hills fossils garnet Geol Geological Survey glaucophane gneiss Gondwana grey greyish Hills ophiolite belt hills/ridges Himalaya hornblende host rock Hunli intercalations Ithun valley limestone Lohit Lower mafic mafic segregations magnetite magnetite body Manipur margin matrix medium grained metamorphism mineral Miri Formation Miri Group Naga Hills Naga Hills ophiolite Nagaland nala NE-SW Nummulitic occur oligomictic conglomerate Olistostromal opaques ophiolite Permian phyllite plagioclase plagiogranite Plate quartz quartzite Radiolaria region samples sandstone schist schist band schistose sedimentaries sediments sequence serpentinites shale shows sillimanite siltstone Singh structure Surv Survey of India tectonic thick thin Tidding trending Ukhrul ultramafics Upper upto veins Vidyadharan white quartzite Yinkiong zone