Records of the Geological Survey of India, Volume 76, Parts 9-14Government of India, 1947 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
From inside the book
Results 1-3 of 28
Page 4
... nature . Some of the statements in J. Coggin - Brown's " Notes on mica " , published by the Indian Industries and Labour Department in 1921 , in G. V. Hobson's " Mica and its international relationships " , published in the Proceedings ...
... nature . Some of the statements in J. Coggin - Brown's " Notes on mica " , published by the Indian Industries and Labour Department in 1921 , in G. V. Hobson's " Mica and its international relationships " , published in the Proceedings ...
Page 12
... nature of sheet mica . Block mica is used in two ways , either in the simple form as plates or sheets of various ... natural and synthetic resins or certain patent products are preferred . A very useful property of built - up mica is ...
... nature of sheet mica . Block mica is used in two ways , either in the simple form as plates or sheets of various ... natural and synthetic resins or certain patent products are preferred . A very useful property of built - up mica is ...
Page 11
... nature is as one or other of the sulphides ; the only important excep- tion is the native copper of the deposits on the Keweenaw Peninsula , Michigan . These sulphides have been deposited in the rocks of the earth's crust by uprising ...
... nature is as one or other of the sulphides ; the only important excep- tion is the native copper of the deposits on the Keweenaw Peninsula , Michigan . These sulphides have been deposited in the rocks of the earth's crust by uprising ...
Contents
GENERAL | 1 |
THE MODE OF OCCURRENCE | 8 |
Indian provincial production of manganese | 12 |
13 other sections not shown
Other editions - View all
Common terms and phrases
abrasive albite alloys amount annual average B. C. Roy belt beryl Beryllium Bihar block mica Bombay braunite Brazil built-up mica Calcutta Canada cent Central Provinces chalcocite chalcopyrite cleavage colour condenser films containing copper copper deposits corundum countries crystals deposits occur district dressed mica electrical exports fair stained feet felspar ferromanganese garnet Geol Geological Survey gonditic granite Heavily stained important inches India insulation iron and steel iron-ores J. A. Dunn known Kodarma limestone lode M. S. Krishnan Madras mainly manganese manganese-ore manufacture metal mica industry mica-schists micanite miles million tons Mineral Resources mines muscovite Mysore obtained ore-bodies oxide pegmatites phlogopite plate production psilomelane pyrolusite quality block quality mica quartz Rajputana recent replacement rocks ruby Sandur schists sheet mica silicate Singhbhum sizes smelting South splittings sulphide surface Surv Survey of India Table thickness United vanadium veins world's