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 33
... limestone is white in the marginal part , sometimes interbanded with siliceous bands which , due to differen- tial weathering on the surface , form rib like structure . The central part is composed exclusively of crystalline calcite . A ...
... limestone is white in the marginal part , sometimes interbanded with siliceous bands which , due to differen- tial weathering on the surface , form rib like structure . The central part is composed exclusively of crystalline calcite . A ...
Page 63
Geological Survey of India. Clegg ( 1941 ) , while describing the limestone occurrences of Manipur pointed out similarity with " Pegu Limestone " of Burma considered by Theobold as of Cretaceous age . Systematic geological mapping in ...
Geological Survey of India. Clegg ( 1941 ) , while describing the limestone occurrences of Manipur pointed out similarity with " Pegu Limestone " of Burma considered by Theobold as of Cretaceous age . Systematic geological mapping in ...
Page 71
... limestone trending EW with southerly dip Age : Upper Creta- 11. Khangkhui ( VJ / 36 ) Bedded limestone exotics for about 100m strike with scarp thickness at base area of 2500 sq.m. 12. Phanycham South Limestone block measures 0.5mx0.5m ...
... limestone trending EW with southerly dip Age : Upper Creta- 11. Khangkhui ( VJ / 36 ) Bedded limestone exotics for about 100m strike with scarp thickness at base area of 2500 sq.m. 12. Phanycham South Limestone block measures 0.5mx0.5m ...
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