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 204
Geological Survey of India. Minor folds . - The unmappable folds whose wave - length and amplitude range from a fraction of a metre to several metres are grouped under this head as follows : Open isoclinal folds with vertical axial ...
Geological Survey of India. Minor folds . - The unmappable folds whose wave - length and amplitude range from a fraction of a metre to several metres are grouped under this head as follows : Open isoclinal folds with vertical axial ...
Page 205
... folds . During the early period , the sedi- ments with intrusives were folded into a doubly plunging syncline tren ... folds . Most of the joints in the area are steep dipping fractures which strike N.60 ° E. - S.60 ° W . They appear to ...
... folds . During the early period , the sedi- ments with intrusives were folded into a doubly plunging syncline tren ... folds . Most of the joints in the area are steep dipping fractures which strike N.60 ° E. - S.60 ° W . They appear to ...
Page 248
... folds which are usually sinistral ( Pl . 12 ) . The contiguity of the horizons at the surface is broken at some Places where the regional fold axes plunge away in opposite directions . Intrusion and doming action of granite around ...
... folds which are usually sinistral ( Pl . 12 ) . The contiguity of the horizons at the surface is broken at some Places where the regional fold axes plunge away in opposite directions . Intrusion and doming action of granite around ...
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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