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 226
... grains , either pinkish or colourless . Inclusions of magnetite are occasionally seen which in some cases are arranged radially . Grains often show irregular cracks . The mineral is characterised by high relief and by its isotropic ...
... grains , either pinkish or colourless . Inclusions of magnetite are occasionally seen which in some cases are arranged radially . Grains often show irregular cracks . The mineral is characterised by high relief and by its isotropic ...
Page 227
... grains , pale yellow or lemon yellow in colour . The grains are marked by high relief and high birefringence . Zircon is present as straight prismatic grains which are either colourless or pinkish . in colour . The grains are marked by ...
... grains , pale yellow or lemon yellow in colour . The grains are marked by high relief and high birefringence . Zircon is present as straight prismatic grains which are either colourless or pinkish . in colour . The grains are marked by ...
Page 262
... grains , the contact of the minerals being sharp . In other sections rutile is interfingered with ilmenite ; similar fingers in places , are connected with grains of rutile outside the ilmenite . A few grains of rutile have tongues ...
... grains , the contact of the minerals being sharp . In other sections rutile is interfingered with ilmenite ; similar fingers in places , are connected with grains of rutile outside the ilmenite . A few grains of rutile have tongues ...
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