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 203
... joint planes in the area , shows that most of them have a strike N. 60 ° E - S.60 ° W . with steep dips ( Fig . 4 ) . The second system of joints appears to be a set of complementary fractures . N 85 POLES OF JOINT PLANES ON LOWER ...
... joint planes in the area , shows that most of them have a strike N. 60 ° E - S.60 ° W . with steep dips ( Fig . 4 ) . The second system of joints appears to be a set of complementary fractures . N 85 POLES OF JOINT PLANES ON LOWER ...
Page 271
... joints . - As there is less cohesion at the junction of two flows , joints tend to develop ; these are similar to the bedding joints of sedimentary rocks . In the Ajanta Caves these joints are pronounced due to the presence of veins of ...
... joints . - As there is less cohesion at the junction of two flows , joints tend to develop ; these are similar to the bedding joints of sedimentary rocks . In the Ajanta Caves these joints are pronounced due to the presence of veins of ...
Page 272
Geological Survey of India. Joint Planes Joints are ubiquitously developed in the basalt , but columnar jointing ... joints show chalcedony , zeolites and other signs of secondary silicification suggesting that joints in which they are ...
Geological Survey of India. Joint Planes Joints are ubiquitously developed in the basalt , but columnar jointing ... joints show chalcedony , zeolites and other signs of secondary silicification suggesting that joints in which they are ...
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