Records of the Geological Survey of India, Volume 94The Survey, 1959 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
From inside the book
Results 1-3 of 27
Page 197
... noticed . Among the pyroxenes , diop- side , enstatite and hypersthene are present in increasing order of abun- dance in the rock . A few prisms of actinolite show over growth of the same mineral ; the core of the mineral shows stronger ...
... noticed . Among the pyroxenes , diop- side , enstatite and hypersthene are present in increasing order of abun- dance in the rock . A few prisms of actinolite show over growth of the same mineral ; the core of the mineral shows stronger ...
Page 269
... noticed from base to top of flow . Conse- quently variation in compactness is noticed . Base is marked by zeolite - filled tubes . 6.1 3.4 Soft vesicular porphyritic trap , amygdaloidal : 8.5 Fine massive porphyritic trap : more ...
... noticed from base to top of flow . Conse- quently variation in compactness is noticed . Base is marked by zeolite - filled tubes . 6.1 3.4 Soft vesicular porphyritic trap , amygdaloidal : 8.5 Fine massive porphyritic trap : more ...
Page 270
... noticed . In places , however , they show im- perfect gradations in size and somewhat uniform distribution . Such grada- tions , when noticed , are as a rule from the top to the base , the vesicles at the base being smaller than those ...
... noticed . In places , however , they show im- perfect gradations in size and somewhat uniform distribution . Such grada- tions , when noticed , are as a rule from the top to the base , the vesicles at the base being smaller than those ...
Other editions - View all
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