Records of the Geological Survey of India, Volume 106Geological Survey of India, 1975 - 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 28
... metamorphism , though parallel to the bedding , and that the gneisses are derived from the pelitic schists by granitisation . It can be interpreted that in the first stage of metamorphism belonging to the Dharwar period , the rocks ...
... metamorphism , though parallel to the bedding , and that the gneisses are derived from the pelitic schists by granitisation . It can be interpreted that in the first stage of metamorphism belonging to the Dharwar period , the rocks ...
Page 29
... metamorphism into granulitic , quartzose and schistose formations . On intrusion by the acidic and basic magmas , as evidenced by numerous dykes , the metamorphic rocks and the intrusives were granitised and porphyroblastic and augen ...
... metamorphism into granulitic , quartzose and schistose formations . On intrusion by the acidic and basic magmas , as evidenced by numerous dykes , the metamorphic rocks and the intrusives were granitised and porphyroblastic and augen ...
Page 92
... Metamorphism : Rocks of the Thimpu and Paro Series have undergone regional metamorphism of meso and higher grades . Chekha Series of rocks have mostly undergone metamorphism under epigrade . Effects of contact metamorphism due to large ...
... Metamorphism : Rocks of the Thimpu and Paro Series have undergone regional metamorphism of meso and higher grades . Chekha Series of rocks have mostly undergone metamorphism under epigrade . Effects of contact metamorphism due to large ...
Contents
RECORDS | 1 |
Geology of the area around the Panchet dam reservoir district | 9 |
Lower Vindhyan Formations of Rajasthan by Balmiki Prasad | 31 |
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Common terms and phrases
amphibolite average grade axial plane B-folds bands basin beds Bhagwanpura Bhutan biotite boreholes calcareous calcite carbonaceous chert chert member chlorite clay coarse grained conglomerate copper Deccan Traps deposit distribution district dolerite dolomite dolomitisation drill holes dykes east facies fault felspar folds foliation formation Gangotri glacier Geol Geological Survey gneiss Gondwanas granite granulites grey Himalaya hornblende indicate interbedded Intertrappean isopach Jangpangi Jour Khairmalia Khardeola Kundarkocha lateral moraine limestone lithological Lower Vindhyan Maldeota Maleri-Kota metamorphism metres Milam glacier mineralisation minerals nala Nimbahera occur outcrops overlies Pagladiya Panchet pelitic phosphate rock phosphate unit Phuntsholing phyllite plagioclase Plate Pradesh present pyroxene quartz quartz veins quartzite ratio reservoir river rock types sample data Sand sandstone Sawa schist schistosity sedimentary sediments Series shale snout stratigraphic structures Surv Survey of India syncline tectonic thickness Thimpu thin Trap Flow upto valley values zone