Records of the Geological Survey of India, Volume 76, Part 10Geological Survey of India, 1942 - Earthquakes |
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Page 24
... Kodarma Reserved Forest , a tract of country occupying 56-93 square miles north of Kodarma , but an increasingly large amount is now being obtained elsewhere , particularly to the northeast of the Reserved Forest and further east near ...
... Kodarma Reserved Forest , a tract of country occupying 56-93 square miles north of Kodarma , but an increasingly large amount is now being obtained elsewhere , particularly to the northeast of the Reserved Forest and further east near ...
Page 40
... Kodarma Reserved Forest . Within the Kodarma Reserved Forest , lessees have been more or less free to choose which squares they prefer . Naturally , only such squares are taken up as are known to yield mica ; granite occupies a large ...
... Kodarma Reserved Forest . Within the Kodarma Reserved Forest , lessees have been more or less free to choose which squares they prefer . Naturally , only such squares are taken up as are known to yield mica ; granite occupies a large ...
Page 61
... Kodarma or Giridih railway stations . Even Rajputana mica is all now marketed in Kodarma and Giridih and exported from these centres . In recent years the original firm of F. F. Chrestien & Co. has separated its mining activities ...
... Kodarma or Giridih railway stations . Even Rajputana mica is all now marketed in Kodarma and Giridih and exported from these centres . In recent years the original firm of F. F. Chrestien & Co. has separated its mining activities ...
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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