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 57
... rock unit . The chert member can further be subdivided broadly into two informal unit , viz an upper Phosphate unit ( consisting of phosphate rock , with or without shale and / or chert alternations ) , and a lower Chert unit ...
... rock unit . The chert member can further be subdivided broadly into two informal unit , viz an upper Phosphate unit ( consisting of phosphate rock , with or without shale and / or chert alternations ) , and a lower Chert unit ...
Page 58
... Phosphate rock ratio ; and iii ) Phosphate rock / Chert + Shale + Phos- phate rock ratio . B. For the Phosphate unit : ( i ) Percentage phosphate ratio = ( Phosphate rock / Phosphate unit ) × 100 . From the above ratios the following ...
... Phosphate rock ratio ; and iii ) Phosphate rock / Chert + Shale + Phos- phate rock ratio . B. For the Phosphate unit : ( i ) Percentage phosphate ratio = ( Phosphate rock / Phosphate unit ) × 100 . From the above ratios the following ...
Page 61
... phosphate rock content , but the rate of facies change is low . Similarly the rate of change of facies to the south ... Phosphate unit : The plate 7 , fig 2 depicts the lithofacies varia- tion in the phosphate unit , shown by the ...
... phosphate rock content , but the rate of facies change is low . Similarly the rate of change of facies to the south ... Phosphate unit : The plate 7 , fig 2 depicts the lithofacies varia- tion in the phosphate unit , shown by 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