Records of the Geological Survey of India, Volume 106Geological Survey of India, 1971 - 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 41
... grains of quartz , pale green roun- ded , elliptical and subangular grains of felspar and occasional specks of pyrite . The felspar content varies from a few grains to 10 percent . A thin section of a specimen collected from 0.2 km S 10 ...
... grains of quartz , pale green roun- ded , elliptical and subangular grains of felspar and occasional specks of pyrite . The felspar content varies from a few grains to 10 percent . A thin section of a specimen collected from 0.2 km S 10 ...
Page 45
... grains of quartz , about 0.3 mm in size . The grains are in close contact with each other and are almost in optical continuity . A few rounded tourmaline and subrounded magnetite grains are seen . Quartz grains represent two cycles ...
... grains of quartz , about 0.3 mm in size . The grains are in close contact with each other and are almost in optical continuity . A few rounded tourmaline and subrounded magnetite grains are seen . Quartz grains represent two cycles ...
Page 99
... grain borders and pseudomorphs of iddingsite after olivine , have been noted . The criss - crossly oriented plagioclase plates very often penetrate the pyroxene grains giving rise to the ophitic texture . In the epidioritic rocks , the ...
... grain borders and pseudomorphs of iddingsite after olivine , have been noted . The criss - crossly oriented plagioclase plates very often penetrate the pyroxene grains giving rise to the ophitic texture . In the epidioritic rocks , the ...
Contents
Geology of the area around the Panchet dam reservoir district | 13 |
Lower Vindhyan Formations of Rajasthan by Balmiki Prasad | 31 |
Stratigraphic analysis of the Chert Member Lower Tal Forma | 54 |
Copyright | |
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amphibolite average grade axial plane B₁-folds bands basin beds Bhagwanpura Bhutan Binota Shale biotite boreholes calcareous calcite carbonaceous chert chert member chlorite clay coarse grained conglomerate copper Deccan Traps deposit distribution district dolomite dolomitisation drill holes east facies fault felspar flow-unit folds formation fossil Gangotri glacier Geol Geological Survey gneiss Gondwanas granite grey Himalaya hornblende indicate interbedded Intertrappean isopach Jangpangi Khairmalia Khardeola Kundarkocha lateral moraine limestone lineation lithological lode Lower Vindhyan Maldeota Maleri-Kota metamorphism metres Milam glacier mineralisation minerals Mussoorie nala Nimbahera occur outcrops overlies Pagladiya pelitic phosphate rock phosphate unit Phuntsholing phyllite plagioclase Plate plunge Pradesh present pyroxene quartz veins quartzite ratio reservoir river rock types S₁ sample data Sand sandstone Sawa schist schistosity sedimentary sediments Series shales snout stratigraphic structures Survey of India syncline tectonic thickness Thimpu thin Trap Flow upto valley values zone