Records of the Geological Survey of India, Volume 76, Issue 12Geological Survey of India, 1942 - Earthquakes |
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Page 4
... ( a ) Flint . ( b ) Quartz . ( c ) Quartzite . ( d ) Sands and Sandstones . ( e ) Diatomite . ( f ) Tripolite . ( g ) Talc . ( h ) Pumice Compact pumice . ( i ) 4 Records of the Geological Survey of India . [ VOL . LXXVI . CLASSIFICATION.
... ( a ) Flint . ( b ) Quartz . ( c ) Quartzite . ( d ) Sands and Sandstones . ( e ) Diatomite . ( f ) Tripolite . ( g ) Talc . ( h ) Pumice Compact pumice . ( i ) 4 Records of the Geological Survey of India . [ VOL . LXXVI . CLASSIFICATION.
Page 18
... sandstones which abound in this country . ( D ) DIATOMITE OR DIATOMACEOUS EARTH . Diatomaceous earth consists essentially of remains of micros- copic plants of fresh water or marine habitat , known as Diatoms . It is white in colour ...
... sandstones which abound in this country . ( D ) DIATOMITE OR DIATOMACEOUS EARTH . Diatomaceous earth consists essentially of remains of micros- copic plants of fresh water or marine habitat , known as Diatoms . It is white in colour ...
Page 31
... Sandstones , Quartz . Tripoli , Pumice and Volcanic dust . Canada Department of Mines , 1927 . Abrasives : Products of Canada Tech- nology and Application , Part II , Corundum and Diamond . Canada Department of Mines , 1927 . Abrasives ...
... Sandstones , Quartz . Tripoli , Pumice and Volcanic dust . Canada Department of Mines , 1927 . Abrasives : Products of Canada Tech- nology and Application , Part II , Corundum and Diamond . Canada Department of Mines , 1927 . Abrasives ...
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A. L. Coulson Abrasive Industry abrasive purposes Abrasive wheels Almandite aluminium artificial abrasives B. C. Roy bauxite beds Bihar Burma Canada Department Carborundum cent chert coated abrasives coated cloth coke colour corundum Corundum occurs crushed crystals Department of Mines Deposits Dhalbhum Diamond Diatomite Emery employed felspar flint Fused alumina future trend garnet garnet sands Geol Geological Survey glass grains grey grinding hard Hazaribagh district high grade honing stones impurities ingredients iron J. A. Dunn J. A. Mineral Resources Kashmir Kyanite large quantities limestone LXXVIII M. S. Krishnan Madras manufacture of abrasive manufactured abrasives Marketing and future Memoir metal polish mica Mysore natural abrasives oxide paper and cloth pebbles polishing material powders Products of Canada Pumice Resources of Bihar Rewa Risin spur rock sandstones siliceous silicon carbide sillimanite Singhbhum steel balls Steel wool suitable surfaces Surv Survey of India Talc Tripolite varies Vindhyan Volcanic dust