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 61
... zone of maximum facies variation and , therefore , represents the zone of tectonic hinge . To the north of this hinge , there is a progressive decrease in the phosphate rock content , but the rate of facies change is low . Similarly the ...
... zone of maximum facies variation and , therefore , represents the zone of tectonic hinge . To the north of this hinge , there is a progressive decrease in the phosphate rock content , but the rate of facies change is low . Similarly the ...
Page 71
... zone with restricted circulation and un- dulatory floor topography . ( c ) The absence of the rich zones of phosphate rock in the Sir- mur district , is principally due to the presence of facies , similar to those found beyond the hinge ...
... zone with restricted circulation and un- dulatory floor topography . ( c ) The absence of the rich zones of phosphate rock in the Sir- mur district , is principally due to the presence of facies , similar to those found beyond the hinge ...
Page 183
... zone , referred to above , encouraged the author to sug- gest and take up exploratory drilling in the area . Four ... zone had gone upto a depth exceeding 20 m ( sand zone in PHA - 2B ) but not reaching a depth of 30 m ( no zone of sand ...
... zone , referred to above , encouraged the author to sug- gest and take up exploratory drilling in the area . Four ... zone had gone upto a depth exceeding 20 m ( sand zone in PHA - 2B ) but not reaching a depth of 30 m ( no zone of sand ...
Contents
106 | 1 |
Geology of the area around the Panchet dam reservoir district | 13 |
Lower Vindhyan Formations of Rajasthan by Balmiki Prasad | 31 |
Copyright | |
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Common terms and phrases
amphibolite average grade axial plane B₁-folds bands basic 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 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 lithological Lower Vindhyan Maldeota Maleri-Kota metamorphism metres Milam glacier mineralisation minerals nala Nimbahera occur outcrops overlies Pagladiya pelitic phosphate rock phosphate unit Phuntsholing phyllite plagioclase Plate Pradesh present pyroxene quartz quartz veins quartzite ratio reservoir retreat river rock types S₁ Sala sample data Sand sandstone Sawa schist schistosity sedimentary sediments Series shale snout stratigraphic structures Survey of India syncline tectonic thickness Thimpu thin Trap Flow upto valley values zone