Records of the Geological Survey of India, Volume 73, Parts 1-2Government of India, 1938 - Earthquakes Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 183
... grey and brown . Inci- pient siliceous growths are often seen on the parting planes of the slaty formation . Phyllite . The phyllites are generally dark grey in colour ; the rock varies in hardness and fissility . In its typical form ...
... grey and brown . Inci- pient siliceous growths are often seen on the parting planes of the slaty formation . Phyllite . The phyllites are generally dark grey in colour ; the rock varies in hardness and fissility . In its typical form ...
Page 236
... grey ) . P. S. 231. X 54 . PLATE 7 , FIG . 1. — Wolfram ( W ) crystal replaced by scheelite ( S ) . Cassiterite ( C ) ... ( grey ) and car- bonate ( black ) . P. S. 164. X 180 . FIG . 3. - Arsenopyrite needles in chlorite ( dark grey ) ; the ...
... grey ) . P. S. 231. X 54 . PLATE 7 , FIG . 1. — Wolfram ( W ) crystal replaced by scheelite ( S ) . Cassiterite ( C ) ... ( grey ) and car- bonate ( black ) . P. S. 164. X 180 . FIG . 3. - Arsenopyrite needles in chlorite ( dark grey ) ; the ...
Page 300
... grey colours . . Etch tests : Negative -- KCN , KOH , HgCl2 , FeCl3 , HCl . Positive - HNO , with effervescence . Microchemical tests : Bi and S present . No Pb . Bismutosphaerite . - Polishes readily . Hardness : B + , little greater ...
... grey colours . . Etch tests : Negative -- KCN , KOH , HgCl2 , FeCl3 , HCl . Positive - HNO , with effervescence . Microchemical tests : Bi and S present . No Pb . Bismutosphaerite . - Polishes readily . Hardness : B + , little greater ...
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Common terms and phrases
A. L. Coulson Abstract andradite anticline Aravalli bands beds Bengal Bihar biotite bismuthinite Bombay Burma calcareous calcite Calcutta cassiterite chaung coal collection colour conglomerate Congr Cretaceous crystalline Current Science Deccan trap deposits district earthquake east eastern Eastern States Agency Eocene fault feet felspar formation fossil galena garnet Geol Geological Survey Geologist Ghosh gneisses gneissic granite gravel grey hill intrusions Kashmir Khasi Kyaukse Lahiri Lameta laterite limestone mapped metamorphic metamorphosed meteorite miles minerals Mining Journ muscovite Nala North-West Frontier Province noted occur outcrops Panjal trap pegmatite phyllites Plateau Limestone Proc Punjab pyrite quartz quartzites replaced reports reservoir ridge river rocks Sahni sandstones scheelite schists Science and Culture shales sheet 93 shock Siwalik slates south-west southern specimens sphalerite Surv Survey of India tahsil Tertiary tons tourmaline Twenty-fourth Ind Upper Siwaliks valley veins Waziristan wolfram