Records of the Geological Survey of India, Volume 77, Issues 11-12Government of India, 1943 - Earthquakes Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 3
... Grades , each grade containing a range of sizes . These grades are : - Grades . Special and Extra Special A. 1 No. 1 No. 2 No. 3 No. 4 No. 5 · No. 5 No. 6 · Area in square inches . 48 and over 48 36 to 48 24 to 36 15 to 24 10 to 15 6 to ...
... Grades , each grade containing a range of sizes . These grades are : - Grades . Special and Extra Special A. 1 No. 1 No. 2 No. 3 No. 4 No. 5 · No. 5 No. 6 · Area in square inches . 48 and over 48 36 to 48 24 to 36 15 to 24 10 to 15 6 to ...
Page 4
... grade the block belongs place the block to be measured on the bottom right hand corner of the Chart in such a ... Grade . Plate 2 illustrates a block of mica from which the largest rectangle obtainable is 2 × 4 inches . The upper and ...
... grade the block belongs place the block to be measured on the bottom right hand corner of the Chart in such a ... Grade . Plate 2 illustrates a block of mica from which the largest rectangle obtainable is 2 × 4 inches . The upper and ...
Page 10
... grading chart . Having thus ascertained the position of the largest rectangle obtainable , each triangle comprised in ... grade . It is hard and slightly wavy and from those characteristics may be any quality from Slightly Stained down ...
... grading chart . Having thus ascertained the position of the largest rectangle obtainable , each triangle comprised in ... grade . It is hard and slightly wavy and from those characteristics may be any quality from Slightly Stained down ...
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Common terms and phrases
A. L. Coulson annular stolons B. C. Roy Bauxite birmanica sp blemishes block mica bore-hole records Brachiopoda Burma Calcutta Chowringhee complete triangles contain dense contain small air Cotter Cretaceous d'Arch damaged films Damodar river DENSE STAINS diameter Discocyclina Douvillé E. L. G. Clegg Eocene equatorial chambers Fair Stained Fauna Foraminifera Foraminifera from Yaw G. S. I. Type genus Geol Geological Maps Geological Survey Geology of India grade Holotype Indian Muscovite Mica J. A. Dunn J. B. Auden Kathiawar largest rectangle obtainable Lepidocyclina Polylepidina LXXVII M. S. Krishnan MEASURING CHART megaspheric Memoirs microspheric nucleoconch Minbu mineral specks Note Nummulites Oligocene Orbitocyclina orbitoids P. K. Ghosh pagoda Priabonian Professional Paper Pseudophragmina Asterophragmina Razzaque septa Slightly Stained small air spots Sorting Chart species spiral spots and lines square inches Stage of Burma STAINED BLOCK stellate stolons Surv Survey of India Upper Eocene vegetable stains and/or Yaw shales Yaw Stage