Records of the Geological Survey of India, Volume 76, Part 10Geological Survey of India, 1942 - Earthquakes |
From inside the book
Results 1-3 of 25
Page 7
... known as percussion figures , the best defined crack is parallel to the clino- pincoid ( 010 ) which is also the plane of symmetry . A second series of lines at right angles to these may be formed by pressing on the cleavage face with a ...
... known as percussion figures , the best defined crack is parallel to the clino- pincoid ( 010 ) which is also the plane of symmetry . A second series of lines at right angles to these may be formed by pressing on the cleavage face with a ...
Page 9
... known , muscovite and phlogopite are the finest insulating materials used in the electrical industry , not only because of their high insulating properties but also because they are waterproof , flexible , relatively infusible , and ...
... known , muscovite and phlogopite are the finest insulating materials used in the electrical industry , not only because of their high insulating properties but also because they are waterproof , flexible , relatively infusible , and ...
Page 37
... known of any deposits . Czechoslovakia . - Lepidolite has been found in pegmatites in Bohemia . France . - Lithia mica is produced . Finland . - Mica has been recorded from Pargas and Kimito . Germany . - Lithia mica is produced ...
... known of any deposits . Czechoslovakia . - Lepidolite has been found in pegmatites in Bohemia . France . - Lithia mica is produced . Finland . - Mica has been recorded from Pargas and Kimito . Germany . - Lithia mica is produced ...
Other editions - View all
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