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 ...
Contents
GEOLOGICAL SURVEY OF INDIA | 190 |
STRUCTURE | 200 |
SUMMARY AND CONCLUSIONS | 209 |
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amphibole amphibole bearing quartzites amphibolites amygdaloidal aperture Balasore banded magnetite-hematite quartzites basalts beds biotite calcite cent chambers chondrules colour convolute laminations Cretaceous Deccan Traps deposits 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 gneisses grade grains granites grey quartzites heavy mineral hematite hornblende ilmenite intergrowth Kalahandi kilometres kyanite length Lenticulina limestone magnetite manganese content manganese-ore manganiferous khondalite Marginulina massive trap meta-intrusives meta-sediments metamorphism metres metres long metres wide Nishkhal occur old dunes olivine opaques outcrop pebbles phenocrysts plagioclase porphyritic porphyritic trap pyroxenes quartz quartzites Reuss ridge rutile samples sand dunes schistosity sediments shales siliceous sillimanite Soft vesicular species Subarnarekha Subarnarekha river Survey of India sutures thickness thin trend Utatur stage veins vesicles vesicular trap white gritty quartzites width Yerabali zircon