Records of the Geological Survey of India, Volume 76, Issue 12Geological Survey of India, 1942 - Earthquakes |
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Page 3
... cherts , siliceous shales , tripoli and diatomite are employed as the abrasive base . Liquid polishing materials are made by mixing powdered siliceous materials in various liquids . Considering the large number and variety of imported ...
... cherts , siliceous shales , tripoli and diatomite are employed as the abrasive base . Liquid polishing materials are made by mixing powdered siliceous materials in various liquids . Considering the large number and variety of imported ...
Page 22
... chert - like rock of white or cream colour .......... It is intimately associated with and often replaces crystalline limestone .. Dr. Hayden thinks this rock to have originated from the limestones by the metasomatic replacement of ...
... chert - like rock of white or cream colour .......... It is intimately associated with and often replaces crystalline limestone .. Dr. Hayden thinks this rock to have originated from the limestones by the metasomatic replacement of ...
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Common terms and phrases
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