Records of the Geological Survey of India, Volume 72The Survey, 1937 - 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 213
... polishing machine . IV . THE POLISHING MACHINE . Metallographers may be inclined to look upon this method of polishing as unnecessarily complicated . But the material which the petrologist is treating is vastly different from the alloys ...
... polishing machine . IV . THE POLISHING MACHINE . Metallographers may be inclined to look upon this method of polishing as unnecessarily complicated . But the material which the petrologist is treating is vastly different from the alloys ...
Page 214
... polishing . Polishing with water as a lubricant on plates and on cloth is of the rolling grain type , i.e. , the polishing medium polishes by rolling along and abrading the surface . This results in soft minerals being gouged out more ...
... polishing . Polishing with water as a lubricant on plates and on cloth is of the rolling grain type , i.e. , the polishing medium polishes by rolling along and abrading the surface . This results in soft minerals being gouged out more ...
Page 217
... polished at a time in order to eliminate vibration ; if a less number is required one head must be fully loaded with three speci- mens . The polishing process is divided into three stages , a different lap being used for each stage ...
... polished at a time in order to eliminate vibration ; if a less number is required one head must be fully loaded with three speci- mens . The polishing process is divided into three stages , a different lap being used for each stage ...
Contents
1727 | 1 |
The Snout of the Gangotri Glacier Tehri Garhwal By J B Auden | 7 |
PERMOCARBONIFEROUS LIMESTONE INLIERS IN THE SUBHIMA | 13 |
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A. L. Coulson Agglomeratic Slate Assam Attock bakelite band beds Burma Burzil calc-gneisses Calcutta cement cent Central Provinces chalcopyrite clay coal Cretaceous deposits district east Eocene epidiorite fault feet fossils galena Gangotri Gangotri glacier Garhwal Geol Geological Survey Geologist gersdorffite Ghundai Tarako glacier gneisses granite grey Hills Himalaya India intrusions Isa Khel Journ Kashmir Khyber Agency limestone lower seam marble Mergui series metamorphism Middlemiss miles minerals moraine north-west North-West Frontier Province Nummulitic objective sand occur Oreinus outcrops P. L. Renewal Panjal Petroleum Plate Plateau polishing production Punjab pyrite quartz quartzites range Rhacopteris river rocks Sahni sandstones schistose Schizothorax sections shales Shali Shan sheet Siju Sivapithecus Siwaliks snout South Waziristan south-west species specimens sphalerite strata Surv Survey of India syncline Tarako Tertiary tetrahedrite thick tons valued Tura Upper valley volcanic Wadia