Records of the Geological Survey of India, Volume 108, Part 2The Survey, 1977 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 73
... 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 182
... varying NW - SE to NE - SW . The dips of the formation , in general , are moderate to steep in the easterly direction . The rocks , belonging to the Purana formations , are low dipp- ing varying from 10 ° to 35 ° and converging ...
... varying NW - SE to NE - SW . The dips of the formation , in general , are moderate to steep in the easterly direction . The rocks , belonging to the Purana formations , are low dipp- ing varying from 10 ° to 35 ° and converging ...
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 belt biotite brachiopod brown carbonatite Champaner chloritic Chorhoti clay clinopyroxene coal seams coalfield collapse conglomerate cracks crinoid Deccan Basalt Deccan Traps deposits Dhauli diamonds district earthquake epicentre exposed fault fauna felspar fibrolite folding formations fossils Gansser Geol Geological Survey Ghat Section gneisses grained granite granitisation greenish grey groundmass Haora river HIGHLY PORPHYRITIC Himalayas horizon isoseismal Karewa Kashmir kimberlite kutcha kutcha-pucca lava limestone lower Mahabaleshwar Main sub-basin metamorphism metres minerals Moher sub-basin Muth Quartzite Niti Pass nodules occur olivine Ordovician outcrops pahoehoe Permian phenocrysts phyllites plagioclase Plate PORPHYRITIC Pradesh Purewa quartz quartzite RED BOLE BED river rocks sandstone schists sediments seen sequence shales shock Spiti storeyed stratigraphic structures Survey of India tectonic thickness thin trend Triassic ultrabasic Upper upto valley vertical vesicles vesicular village ZEOLITIC zone