Records of the Geological Survey of India, Volume 76, Part 10Geological Survey of India, 1942 - Earthquakes |
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Page 32
... recorded from Central Australia . In Western Australia muscovite has been found in the Darling Ranges , near Perth , and on the Pilbara goldfield . Lepidolite peg- matites occur at Ravensthorpe , Pilbara , and near Coolgardie— some ...
... recorded from Central Australia . In Western Australia muscovite has been found in the Darling Ranges , near Perth , and on the Pilbara goldfield . Lepidolite peg- matites occur at Ravensthorpe , Pilbara , and near Coolgardie— some ...
Page 34
... recorded in granite between Lake Te Anau and George Sound , and on Stewart Island.1 Northern Rhodesia . - Small quantities of muscovite have been produced in Kafue , Northern Rhodesia , in deposits similar to those of Southern Rhodesia ...
... recorded in granite between Lake Te Anau and George Sound , and on Stewart Island.1 Northern Rhodesia . - Small quantities of muscovite have been produced in Kafue , Northern Rhodesia , in deposits similar to those of Southern Rhodesia ...
Page 54
... recorded but are generally doubtful , although 50 percent has been definitely recorded in one locality for a short period ) , others may be as low as 1 percent high quali- ty , or even less . The average from about 150 mines throughout ...
... recorded but are generally doubtful , although 50 percent has been definitely recorded in one locality for a short period ) , others may be as low as 1 percent high quali- ty , or even less . The average from about 150 mines throughout ...
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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