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 54
... Nummulitic limestone in the hill ranges about 40 km NNW of Pasighat below the Dalburing village , southeast of Yinkiong . The limestone almost entirely composed of large - sized foraminifera yielded a rich assemblage of Nummulites ...
... Nummulitic limestone in the hill ranges about 40 km NNW of Pasighat below the Dalburing village , southeast of Yinkiong . The limestone almost entirely composed of large - sized foraminifera yielded a rich assemblage of Nummulites ...
Page 55
... Nummulitic limestone . This necessitated the need to decipher the faunal relationship of Permian and Eocene strata of Dalbuing with those of the foot hills and ascertain the stratigraphic status of the plant bea- ring volcanogenic ...
... Nummulitic limestone . This necessitated the need to decipher the faunal relationship of Permian and Eocene strata of Dalbuing with those of the foot hills and ascertain the stratigraphic status of the plant bea- ring volcanogenic ...
Page 56
... Nummulitic limestone of Dal- buing Nummulites atacicus , N. lahirii , N. obtusus , N. discor- binus , N. acutus , Assilina dandotica , A. granulosa , A. spinosa , A. subspinosa , Assilina , sp . Spiroloculina sp . Quinqueloculina sp ...
... Nummulitic limestone of Dal- buing Nummulites atacicus , N. lahirii , N. obtusus , N. discor- binus , N. acutus , Assilina dandotica , A. granulosa , A. spinosa , A. subspinosa , Assilina , sp . Spiroloculina sp . Quinqueloculina sp ...
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