Records of the Geological Survey of India, Volume 108Geological Survey of India, 1977 - Earthquakes |
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Page 26
... contain a rich Ordovician brachiopod fauna . Unfossiliferous green and pink very fine grained quartzitic sandstone and quartzites . The following fossils indicative of Middle to Upper Ordovician age were collected from 1 km NNE of Sumna ...
... contain a rich Ordovician brachiopod fauna . Unfossiliferous green and pink very fine grained quartzitic sandstone and quartzites . The following fossils indicative of Middle to Upper Ordovician age were collected from 1 km NNE of Sumna ...
Page 66
... contain animal and plant remains , in several places . The lower intertrappean beds generally comprise cherts , impure limestone and pyroclastic materials and occur nearly all along the eastern margin of the Trap country . They have ...
... contain animal and plant remains , in several places . The lower intertrappean beds generally comprise cherts , impure limestone and pyroclastic materials and occur nearly all along the eastern margin of the Trap country . They have ...
Page 80
... contain a trail of somewhat flattened vesicles with their longer axes parallel to the length of the band . In addition to banding these flows and flow MAZ 7 contain several irregularly shaped microscopic patches , similar in composition ...
... contain a trail of somewhat flattened vesicles with their longer axes parallel to the length of the band . In addition to banding these flows and flow MAZ 7 contain several irregularly shaped microscopic patches , similar in composition ...
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