Records of the Geological Survey of India, Volume 108Geological Survey of India, 1977 - Earthquakes |
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Page 79
... varying degree of vesicularity . The interspaces of the larger fragments and blocks are filled by small fragments and extremely comminuted material . Microscopic Petrography The following account of petrographic studies is based on the ...
... varying degree of vesicularity . The interspaces of the larger fragments and blocks are filled by small fragments and extremely comminuted material . Microscopic Petrography The following account of petrographic studies is based on the ...
Page 183
... varies from N 60 ° W - S 60 ° E to E - W with 65 ° to 75 ° northerly dip . At the northeastern end , it attains a N - S trend with 70 ° to 75 ° easterly dip . The general trend of the rocks of the Bailadila series is N - S varying from ...
... varies from N 60 ° W - S 60 ° E to E - W with 65 ° to 75 ° northerly dip . At the northeastern end , it attains a N - S trend with 70 ° to 75 ° easterly dip . The general trend of the rocks of the Bailadila series is N - S varying from ...
Page 184
... varying from 10 ° to 35 ° . At places due to local folding the dip is steep , increasing upto 60 ° . The dips of the formation , in general , are converging , which is indicative of the basinal nature of deposition . Description of rock ...
... varying from 10 ° to 35 ° . At places due to local folding the dip is steep , increasing upto 60 ° . The dips of the formation , in general , are converging , which is indicative of the basinal nature of deposition . Description of rock ...
Contents
OF | 1 |
On the leadzinc mineralisation around Kushbani Purulia district | 36 |
Eocene ostracoda from Kolayatji area Rajasthan by V D Mamgain | 42 |
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Amboli Amilia Aravalli Bandal granite bands Barakar basalt flows beds belt biotite brachiopod brown carbonatite Champaner Chorhoti clay clinopyroxene coal seams coalfield collapse conglomerate cracks crinoid damage Deccan Basalt Deccan Traps deposits Dhauli diamonds district earthquake east epicentre exposed fault fauna felspar fibrolite folding formations fossils Gansser Geol Geological Survey Ghat gneisses grained granite granitisation grey Griesbach groundmass Haora river Himalayas horizon isoseismal Karewa Kashmir kimberlite kutcha kutcha-pucca lava limestone lower Mahabaleshwar Main sub-basin masonry metamorphic metres mica minerals Moher sub-basin Muth Quartzite Niti Pass nodules observed occur olivine Ordovician outcrops pahoehoe Permian phenocrysts phyllites plagioclase Plate porphyritic Pradesh present Purewa quartz quartzite river rocks samples sandstone schists sediments seen sequence shales shock Silurian Spiti storeyed stratigraphic structures Surv Survey of India tectonic thickness thin trend Triassic ultrabasic Upper upto valley vertical vesicles village zone