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 256
... portion and in part of the middle portion , the deposit has manganese content of 30 per cent . , while the rest of the deposit is poorer . The manganese content is higher away from the calc - silicate rock . ( 2 ) At 400 metres W.S.W. ...
... portion and in part of the middle portion , the deposit has manganese content of 30 per cent . , while the rest of the deposit is poorer . The manganese content is higher away from the calc - silicate rock . ( 2 ) At 400 metres W.S.W. ...
Page 286
... portion coiled , later uncoiled ; perip- hery sub - acute , ventral margin concave . dorsal margin convex ; the earliest 4 to 6 chambers coiled , remainder uncoiled . Sutures distinct , not raised ; wall smooth . The last formed ...
... portion coiled , later uncoiled ; perip- hery sub - acute , ventral margin concave . dorsal margin convex ; the earliest 4 to 6 chambers coiled , remainder uncoiled . Sutures distinct , not raised ; wall smooth . The last formed ...
Page 309
... portion of Rajmahal hills in the vicinity of Pakur ( Pakaur ) railway station ( 24 ° 38 ′ : 87 ° 50 ′ ) of Sahibgunj loop line of the North - Eastern Railway . This collec- tion comprises a large number of well preserved silicified ...
... portion of Rajmahal hills in the vicinity of Pakur ( Pakaur ) railway station ( 24 ° 38 ′ : 87 ° 50 ′ ) of Sahibgunj loop line of the North - Eastern Railway . This collec- tion comprises a large number of well preserved silicified ...
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Common terms and phrases
Ajanta Caves amphibole amphibole bearing quartzites amygdaloidal assemblage Balasore Balasore coast basalts beds biotite calc-silicate rocks calcite cent chambers chondrules Coarse colour convolute laminations Cretaceous crystals Deccan Traps 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 Gir forest grade grains granites heavy mineral hematite hills hornblende ilmenite intergrowth kilometres kyanite length Lenticulina limestone magnetite manganese manganese content manganiferous khondalite Marginulina massive trap meta-sediments metamorphism meteorite metres metres long metres wide nala Nishkhal north-west occur old dunes olivine opaques Orissa outcrop phenocrysts plagioclase porphyritic porphyritic trap pyroxenes quartz quartzites Rajasthan Reuss ridge rutile samples sand dunes Sastry schistosity sediments shales siliceous sillimanite Soft vesicular species Subarnarekha river Surv sutures thickness thin trend Trichinopoly Utatur stage veins vesicles vesicular trap width zircon