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 56
... chert member in different parts of the Mussoorie syncline . The present work of bringing out the complete picture of the anatomy of the chert member , is based on the critical re - examination of the thickness data and the lithologic ...
... chert member in different parts of the Mussoorie syncline . The present work of bringing out the complete picture of the anatomy of the chert member , is based on the critical re - examination of the thickness data and the lithologic ...
Page 57
... 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 ( comprising chert and chert ...
... 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 ( comprising chert and chert ...
Page 58
... Chert member : i ) Chert / Shale ratio ; ii ) Chert + Shale / Phosphate rock ratio ; and iii ) Phosphate rock / Chert + Shale + Phos- phate rock ratio . B. For the Phosphate unit : ( i ) Percentage phosphate ratio = ( Phosphate rock ...
... Chert member : i ) Chert / Shale ratio ; ii ) Chert + Shale / Phosphate rock ratio ; and iii ) Phosphate rock / Chert + Shale + Phos- phate rock ratio . B. For the Phosphate unit : ( i ) Percentage phosphate ratio = ( Phosphate rock ...
Contents
RECORDS | 1 |
Geology of the area around the Panchet dam reservoir district | 9 |
Lower Vindhyan Formations of Rajasthan by Balmiki Prasad | 31 |
9 other sections not shown
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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