Records of the Geological Survey of India, Volume 76, Part 10Geological Survey of India, 1942 - Earthquakes |
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Page 64
... Table 17 . The average export price for all mica , block and splittings , Table 8 , has also been calculated from Table 13 , and ranged between Rs . 0.66 and Rs . 0.89 for the years 1934 to 1938 . TACLE 8. - Average export price for ...
... Table 17 . The average export price for all mica , block and splittings , Table 8 , has also been calculated from Table 13 , and ranged between Rs . 0.66 and Rs . 0.89 for the years 1934 to 1938 . TACLE 8. - Average export price for ...
Page 65
... Table 9. White mica was valued at 20 percent less than ruby for sizes No. 4 and up and at 10 percent less for No. 5 and down . Black spotted mica was valued at 45 percent less than ruby for No. 3 and up , and 65 percent less for No. 4 ...
... Table 9. White mica was valued at 20 percent less than ruby for sizes No. 4 and up and at 10 percent less for No. 5 and down . Black spotted mica was valued at 45 percent less than ruby for No. 3 and up , and 65 percent less for No. 4 ...
Page 71
... Table 14 shows the exports from Calcutta ; for the five years from 1934-38 these averaged 17,173 cwts block , 71,897 ... Table 13 it will be seen that , for all India , between 16 and 30 percent of the exported mica is block , and 70 to ...
... Table 14 shows the exports from Calcutta ; for the five years from 1934-38 these averaged 17,173 cwts block , 71,897 ... Table 13 it will be seen that , for all India , between 16 and 30 percent of the exported mica is block , and 70 to ...
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Common terms and phrases
2nd quality albite amount approximately average Bihar Bihar mica Black dotted Black spotted block and splittings block mica built-up mica Calcutta Canada cleavage condenser films condenser plates countries country rock crude mica dealers diopside district electrical exported block feet felspar Geological Survey Giridih grade granite ground mica Heavily stained 1st high quality mica India Indian mica insulation Intermediate stained J. A. Dunn Kodarma Kodarma Reserved Forest large number larger sizes Lepidolite loose splittings M. S. Krishnan Madagascar Madras mainly manufacture mica belt mica exported mica industry mica mining mica produced mica splittings mica trade mica-schists micanite microcline miles muscovite obtained pegmatites percentage phlogopite potash felspar pyroxenite quality block mica quartz quartz core Rajputana Rajputana mica recent recorded ruby mica schists scrap mica sheet mica Short tons smaller solutions South stained 1st quality stoping Survey of India Table 13 trimmed United uparchalla veins washers