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 268
... VESICULAR TRAP Hard vesicular prophyritic trap , amygdaloidal : phenocrysts of felspar are about 3 mm . long and show 1 2 breadth to length ratio . Base of flow is marked by 7.7 cm . thick red bole ( ? ) which at 544 and 539 metres ...
... VESICULAR TRAP Hard vesicular prophyritic trap , amygdaloidal : phenocrysts of felspar are about 3 mm . long and show 1 2 breadth to length ratio . Base of flow is marked by 7.7 cm . thick red bole ( ? ) which at 544 and 539 metres ...
Page 270
... vesicular trap , amygdaloidal : has 90 cm . thick lens of hard vesicular trap . One in - filled cracks is also seen . 2.7 Fine massive porphyritic trap : highly jointed . Phenocrysts of felspar show 1 : 3 breadth to length ratio . 2.4 ...
... vesicular trap , amygdaloidal : has 90 cm . thick lens of hard vesicular trap . One in - filled cracks is also seen . 2.7 Fine massive porphyritic trap : highly jointed . Phenocrysts of felspar show 1 : 3 breadth to length ratio . 2.4 ...
Page 273
... Vesicular Traps . - The vesicular traps constitute the major portion of the basalts in this area . Along the Ghat road the vesicular basalts account for 121 metres thickness out of a section of 199 metres measured between 578 and 379 ...
... Vesicular Traps . - The vesicular traps constitute the major portion of the basalts in this area . Along the Ghat road the vesicular basalts account for 121 metres thickness out of a section of 199 metres measured between 578 and 379 ...
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