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 30
Page 197
... seen altering to serpentine . The opaque mineral is mainly magnetite . Granites and gneisses The granites and gneisses form the country rock surrounding the land of meta - sediments of the Yerabali area . Within the meta - sediments ...
... seen altering to serpentine . The opaque mineral is mainly magnetite . Granites and gneisses The granites and gneisses form the country rock surrounding the land of meta - sediments of the Yerabali area . Within the meta - sediments ...
Page 250
... seen fringing small vein networks of manganese - ore and replacing quartz grains . Garnets which are occasionally seen in the rock are cut by veins of manganese - ore along cracks . Mineralogy . The mineralogy of the ores is not yet ...
... seen fringing small vein networks of manganese - ore and replacing quartz grains . Garnets which are occasionally seen in the rock are cut by veins of manganese - ore along cracks . Mineralogy . The mineralogy of the ores is not yet ...
Page 270
... seen . 2.7 Fine massive porphyritic trap : highly jointed . Phenocrysts of felspar show 1 : 3 breadth to length ratio . 2.4 Soft vesicular porphyritic trap , amygdaloidal . 3.0 Soft vesicular trap . amygdaloidal : 394-379 metres ...
... seen . 2.7 Fine massive porphyritic trap : highly jointed . Phenocrysts of felspar show 1 : 3 breadth to length ratio . 2.4 Soft vesicular porphyritic trap , amygdaloidal . 3.0 Soft vesicular trap . amygdaloidal : 394-379 metres ...
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