Records of the Geological Survey of India, Volume 108Geological Survey of India, 1977 - Earthquakes |
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Page 48
... present in our collection showing faint indication of ridges , the surface ornamentation appears to have weathered out . Locality : No. 1 Horizon : Laki ( Ypresian ) GSI Type No. 18705 Acknowledgements The present work was carried out ...
... present in our collection showing faint indication of ridges , the surface ornamentation appears to have weathered out . Locality : No. 1 Horizon : Laki ( Ypresian ) GSI Type No. 18705 Acknowledgements The present work was carried out ...
Page 83
... present in the larger grains . In some flows two generations of iron oxide are present , an earlier one represented by large irregular grains , often with inclusions , and the later by tiny anhedral , squarish and octahedral grains ...
... present in the larger grains . In some flows two generations of iron oxide are present , an earlier one represented by large irregular grains , often with inclusions , and the later by tiny anhedral , squarish and octahedral grains ...
Page 143
... present paper deals with the petrography , mineralogy and chemical characteristics of the feldspathic quartzite of Santhal Parganas and Bhagalpur districts , Bihar . The results throw sufficient light on the distribution of major and ...
... present paper deals with the petrography , mineralogy and chemical characteristics of the feldspathic quartzite of Santhal Parganas and Bhagalpur districts , Bihar . The results throw sufficient light on the distribution of major and ...
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