Records of the Geological Survey of India, Volume 94The Survey, 1959 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 277
Geological Survey of India. FORAMINIFERA FROM THE UTATUR * STAGE OF THE CRETA- CEOUS FORMATIONS OF TRICHINOPOLY DISTRICT ... Utatur ' only . may be 277 INTRODUCTION During the year 1956 the authors visited the Cretaceous 15 GSI / 62 12.
Geological Survey of India. FORAMINIFERA FROM THE UTATUR * STAGE OF THE CRETA- CEOUS FORMATIONS OF TRICHINOPOLY DISTRICT ... Utatur ' only . may be 277 INTRODUCTION During the year 1956 the authors visited the Cretaceous 15 GSI / 62 12.
Page 279
... Utatur division . Material for Study About 50 samples were collected in all but only some of these have yielded foraminifera . 14 samples which are being dealt with in this paper are from the Utatur stage . These samples can be divided ...
... Utatur division . Material for Study About 50 samples were collected in all but only some of these have yielded foraminifera . 14 samples which are being dealt with in this paper are from the Utatur stage . These samples can be divided ...
Page 295
... Utatur shales overlying the coral reef limestone near Kallakkudi were deposited under similar environ- mental conditions as those of Lower Utaturs and could be contemporaneous age with the latter . in The topmost beds of the Utatur ...
... Utatur shales overlying the coral reef limestone near Kallakkudi were deposited under similar environ- mental conditions as those of Lower Utaturs and could be contemporaneous age with the latter . in The topmost beds of the Utatur ...
Contents
GEOLOGICAL SURVEY OF INDIA | 190 |
STRUCTURE | 200 |
SUMMARY AND CONCLUSIONS | 209 |
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amphibole amphibole bearing quartzites amphibolites amygdaloidal aperture Balasore banded magnetite-hematite quartzites basalts beds biotite calcite cent chambers chondrules colour convolute laminations Cretaceous Deccan Traps deposits dipping district dolerites dune sands dykes east enstatite felspar ferruginous Figured specimen flows folds foraminifera formations G.S.I. Type garnet Genus Geol Geological Geologist gneisses grade grains granites grey quartzites heavy mineral hematite hornblende ilmenite intergrowth Kalahandi kilometres kyanite length Lenticulina limestone magnetite manganese content manganese-ore manganiferous khondalite Marginulina massive trap meta-intrusives meta-sediments metamorphism metres metres long metres wide Nishkhal occur old dunes olivine opaques outcrop pebbles phenocrysts plagioclase porphyritic porphyritic trap pyroxenes quartz quartzites Reuss ridge rutile samples sand dunes schistosity sediments shales siliceous sillimanite Soft vesicular species Subarnarekha Subarnarekha river Survey of India sutures thickness thin trend Utatur stage veins vesicles vesicular trap white gritty quartzites width Yerabali zircon