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 23
... contained in the volcanic matrix and have got no appa- rent relationship with the magnetite - chromite . The matrix material ( Table 3 ) and adjacent basaltic rocks also contain higher order of Ti02 . Based on the above data it may be ...
... contained in the volcanic matrix and have got no appa- rent relationship with the magnetite - chromite . The matrix material ( Table 3 ) and adjacent basaltic rocks also contain higher order of Ti02 . Based on the above data it may be ...
Page 70
... contain abundant microfossils Cao LOI ( in per cent ) 43.29 15.27 Foraminifers ; Glo- bigerina , Globotru- ncana baner jae , Globotruncana tri- carinata , Textula- ria sp . , Quinque locu- lina sp . Radiolaria : Ommato- spyris sp ...
... contain abundant microfossils Cao LOI ( in per cent ) 43.29 15.27 Foraminifers ; Glo- bigerina , Globotru- ncana baner jae , Globotruncana tri- carinata , Textula- ria sp . , Quinque locu- lina sp . Radiolaria : Ommato- spyris sp ...
Page 75
... contain pebbles of quartz , chert , sst . , shole , serpentinites , volcanics etc. in matrix of arenaceous material fine to coarse pebbly grey to light grey ( whit- ish ) loose friable to well bedded ( curr- ent bedded ) sandstone contain ...
... contain pebbles of quartz , chert , sst . , shole , serpentinites , volcanics etc. in matrix of arenaceous material fine to coarse pebbly grey to light grey ( whit- ish ) loose friable to well bedded ( curr- ent bedded ) sandstone contain ...
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