Records of the Geological Survey of India, Volume 77, Issue 6Geological Survey of India, 1942 - Earthquakes |
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Page 4
... Tourmaline ( Pink and brown ) . 8. Zircon ( Pink and colourless ) . 9. Rutile . 10. Leucoxene . 11. Monazite . 12. Sphene . 13. Biotite . Other minerals of minor occurrence are kyanite , sillimanite and muscovite . HORNBLENDE ...
... Tourmaline ( Pink and brown ) . 8. Zircon ( Pink and colourless ) . 9. Rutile . 10. Leucoxene . 11. Monazite . 12. Sphene . 13. Biotite . Other minerals of minor occurrence are kyanite , sillimanite and muscovite . HORNBLENDE ...
Page 5
... TOURMALINE Two varieties ; pink and brown . Generally occurs as prismatic grains with varied terminations . Nearly rounded ( Basal form ) and fractured grains with ir- regular outlines are also observed . The pink variety is lesser in ...
... TOURMALINE Two varieties ; pink and brown . Generally occurs as prismatic grains with varied terminations . Nearly rounded ( Basal form ) and fractured grains with ir- regular outlines are also observed . The pink variety is lesser in ...
Page 6
... Tourmaline ( T ) P Nil Nil Nii • Nil Nil .. Zircon ( Z ) { Nil 3-92 • • 0.54 1.00 1-36 1 Nil Nil Nil Nil Nil .. Rutile ( R ) Nil Nil Nil • Nil Nil .. Monazite ( M ' ) Nil • Nil Nil Nil Nil .. Leucoxene ( L ) Nil 3-92 • 1-08 1.00 1.50 2 ...
... Tourmaline ( T ) P Nil Nil Nii • Nil Nil .. Zircon ( Z ) { Nil 3-92 • • 0.54 1.00 1-36 1 Nil Nil Nil Nil Nil .. Rutile ( R ) Nil Nil Nil • Nil Nil .. Monazite ( M ' ) Nil • Nil Nil Nil Nil .. Leucoxene ( L ) Nil 3-92 • 1-08 1.00 1.50 2 ...
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Common terms and phrases
1.-Jurassic A. K. Roy A. L. Coulson Argada Asansol ASSEMBLAGES OF DAMODAR Average B. C. Roy Bhojudih Biotite Burma Calcutta cent centre Chapadanga Cretaceous crystals Damodar Bridge Damodar River sands Description of Important different grades E. L. G. Clegg Epidote finer grades fractured grains Frequencies of Minerals frequency numbers Garnet Geological Survey grades of sands HEAVY MINERAL ASSEMBLAGES heavy mineral suite Hornblende inclusions J. A. Dunn J. B. Auden Kulgachia and Bagnan Leucoxene LXXVII M. R. Sahni M. S. Krishnan Magnetite and Ilmenite Mechanical Analyses Memoir Mica Mineral Content Figures mineral species Mohuda Monazite nearly rounded grains Nil Nil Nil non-pleochroic Occurs as irregular percentage of heavies Pink and brown Pink and colourless pink variety Plate Press Price Prismatic grains Professional Paper river bed Rutile S. R. Narayana Rao samples of sands show zoning sieving Southern Shan Sphene Survey of India TOURMALINE VOLUME LXXVI Zircon Zoisite وو دو دو