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 197
... minor lenses , generally less than 120 metres , of granites are noticed within 0.4 km . from the contact of the meta- sedimentary band with the country rock . The colour , texture and composition of the granite found within the meta ...
... minor lenses , generally less than 120 metres , of granites are noticed within 0.4 km . from the contact of the meta- sedimentary band with the country rock . The colour , texture and composition of the granite found within the meta ...
Page 200
... Minor structures Bedding . It is the only sedimentary structure preserved in the various quartzites exposed in the area . It is well exhibited in the banded magne- tite - hematite quartzites ; and occasionally noticed in the ...
... Minor structures Bedding . It is the only sedimentary structure preserved in the various quartzites exposed in the area . It is well exhibited in the banded magne- tite - hematite quartzites ; and occasionally noticed in the ...
Page 204
... Minor thickenning and thinning at the crests and troughs and limbs of folds are noticed . The limbs and the axial planes dip as schistosity or foliation of the rock in which the ptygmatic veins are seen . The wave - length of the folds ...
... Minor thickenning and thinning at the crests and troughs and limbs of folds are noticed . The limbs and the axial planes dip as schistosity or foliation of the rock in which the ptygmatic veins are seen . The wave - length of the folds ...
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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