Records of the Geological Survey of India, Volume 108Geological Survey of India, 1977 - Earthquakes |
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Page 26
... bands of white quartzite are seen which possibly have been repeated due to strike faults . The following succession is seen between 1 km northeast of Sumna and Yong , in ascending order . Triassic Devonian ( 75 m ) Silurian ( 75 m ) ...
... bands of white quartzite are seen which possibly have been repeated due to strike faults . The following succession is seen between 1 km northeast of Sumna and Yong , in ascending order . Triassic Devonian ( 75 m ) Silurian ( 75 m ) ...
Page 107
... bands have developed laths of felspar with longer axes pointing in different directions without any other change ... bands of green schists , hornblende schists and amphibolites occur in great abundance within the Bandal granite ...
... bands have developed laths of felspar with longer axes pointing in different directions without any other change ... bands of green schists , hornblende schists and amphibolites occur in great abundance within the Bandal granite ...
Page 143
... bands within Chotanagpur granite gneiss distributed all over the area . Bands with almost persistent widths which vary from a fraction of a metre to about 150 m are noted . These bands are continuous and consistent in thickness ...
... bands within Chotanagpur granite gneiss distributed all over the area . Bands with almost persistent widths which vary from a fraction of a metre to about 150 m are noted . These bands are continuous and consistent in thickness ...
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