Records of the Geological Survey of India, Volume 76, Part 10Geological Survey of India, 1942 - Earthquakes |
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Results 1-3 of 14
Page 35
... mainly to U. S. A. , at about £ 1 per ton f.o.r. South West Africa . - No workable deposits of muscovite have been found , although in places pegmatites containing the mineral are known . Lepidolite is found over a wide area around the ...
... mainly to U. S. A. , at about £ 1 per ton f.o.r. South West Africa . - No workable deposits of muscovite have been found , although in places pegmatites containing the mineral are known . Lepidolite is found over a wide area around the ...
Page 37
... mainly scrap , is produced in Japan . It is possible that production from Korea may have been listed as from Japan proper . No details of occurrences have been published , but mica is said to occur in the prefectures of Mino , Omi ...
... mainly scrap , is produced in Japan . It is possible that production from Korea may have been listed as from Japan proper . No details of occurrences have been published , but mica is said to occur in the prefectures of Mino , Omi ...
Page 61
... mainly dealers and exporters . Some of the larger producers , such as the Chota Nagpur Mica Syndicate , and Messrs . S. K. Sahana , sell their mica entirely in the local market . A few of the medium producers , such as Jetmull - Bhojraj ...
... mainly dealers and exporters . Some of the larger producers , such as the Chota Nagpur Mica Syndicate , and Messrs . S. K. Sahana , sell their mica entirely in the local market . A few of the medium producers , such as Jetmull - Bhojraj ...
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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