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 191
... places as at one kilometre S.75 ° E . of 2107 ridge . in radiating aggregates ( rosette structures ) of about 34 mm . diameter . The amphibole bearing quartzites also show in places pitting of varying sizes due to removal of ferro ...
... places as at one kilometre S.75 ° E . of 2107 ridge . in radiating aggregates ( rosette structures ) of about 34 mm . diameter . The amphibole bearing quartzites also show in places pitting of varying sizes due to removal of ferro ...
Page 214
... places . Small flakes of biotite and iddingstite are occasionally noticed . Amygdaloidal basalts are common in this area . They are usually porphy- ritic containing phenocrysts of greyish white felspar and less frequently of olivine ...
... places . Small flakes of biotite and iddingstite are occasionally noticed . Amygdaloidal basalts are common in this area . They are usually porphy- ritic containing phenocrysts of greyish white felspar and less frequently of olivine ...
Page 249
... places the ore - bodies pinch and swell suddenly and vary in composition rather abruptly along the strike . At many places there are also irregular patches of manganiferous khondalite within the ore - body . Thin veins and stringers of ...
... places the ore - bodies pinch and swell suddenly and vary in composition rather abruptly along the strike . At many places there are also irregular patches of manganiferous khondalite within the ore - body . Thin veins and stringers of ...
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