Records of the Geological Survey of India, Volume 76, Part 10Geological Survey of India, 1942 - Earthquakes |
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Page 11
... separated into thin cleavage films . Manufactured mica - mica cut to any particular size or shape . Munitions and non - munitions mica - terms which have persisted since the 1914-1918 war and intended to distinguish between high and low ...
... separated into thin cleavage films . Manufactured mica - mica cut to any particular size or shape . Munitions and non - munitions mica - terms which have persisted since the 1914-1918 war and intended to distinguish between high and low ...
Page 29
... separation out of potash felspar . It appears , therefore , that although the solutions carried SiO2 and a little potash felspar from the granite , they took into solution soda felspar from the mica - schists and diabrochites . Such ...
... separation out of potash felspar . It appears , therefore , that although the solutions carried SiO2 and a little potash felspar from the granite , they took into solution soda felspar from the mica - schists and diabrochites . Such ...
Page 61
... separated its mining activities , under the name of Chrestien Mining Co. , from its purely marketing business . Other companies which , in addition to carrying out extensive mining , are dealers and export- ers , are Chatturam Horilram ...
... separated its mining activities , under the name of Chrestien Mining Co. , from its purely marketing business . Other companies which , in addition to carrying out extensive mining , are dealers and export- ers , are Chatturam Horilram ...
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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