Records of the Geological Survey of India, Volume 76, Part 10Geological Survey of India, 1942 - Earthquakes |
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Page 31
... reported from the adjacent Eastern States . In Madras , apart from Nellore , a small production comes from the Wynaad , and Nilgiri district . In the Mudgula estate of Vizagapatam district , muscovite is found in pegmatites intrusive in ...
... reported from the adjacent Eastern States . In Madras , apart from Nellore , a small production comes from the Wynaad , and Nilgiri district . In the Mudgula estate of Vizagapatam district , muscovite is found in pegmatites intrusive in ...
Page 39
... reported from southwest of Irkutsk at the southwestern end of Lake Baikal ; a micanite factory has been established at Irkutsk . Mica has also been reported from Yeniseisk on the Yenisei river , and near Krasnoyarsk on the Trans ...
... reported from southwest of Irkutsk at the southwestern end of Lake Baikal ; a micanite factory has been established at Irkutsk . Mica has also been reported from Yeniseisk on the Yenisei river , and near Krasnoyarsk on the Trans ...
Page 72
... reported combined production from Rajputana and Calcutta was 20,000 cwts in excess of the exports from Calcutta . Allowing for these abnormal 1938 figures , it is apparent that there is a large annual excess of exports over produc- tion ...
... reported combined production from Rajputana and Calcutta was 20,000 cwts in excess of the exports from Calcutta . Allowing for these abnormal 1938 figures , it is apparent that there is a large annual excess of exports over produc- tion ...
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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