Records of the Geological Survey of India, Volume 76, Part 10Geological Survey of India, 1942 - Earthquakes |
From inside the book
Results 1-3 of 28
Page 13
... inches in each block . For splittings it is cut into rounded shapes . Recently there has been a tendency to cut ... inches . Area , Size Size Area , Size No square inches . in inches . in inches . Size No. square inches . etc. Over Ex ...
... inches in each block . For splittings it is cut into rounded shapes . Recently there has been a tendency to cut ... inches . Area , Size Size Area , Size No square inches . in inches . in inches . Size No. square inches . etc. Over Ex ...
Page 19
... inches and 001-002 inch thick ; each sheet must be absolutely flawless , and especially free from the most minute ... inches in length for large genera- tors and motors . The edge - hardness of phlogopite is distinctly softer than that ...
... inches and 001-002 inch thick ; each sheet must be absolutely flawless , and especially free from the most minute ... inches in length for large genera- tors and motors . The edge - hardness of phlogopite is distinctly softer than that ...
Page
... Inches 3 2 No. 4 . No.3 . No ! 2 . No.1 . No.6 . No.5 . 2 Inches 31 TEMPLATE FOR GRADING MICA . 4 Size No. Over Ex . Ex . Special Area , sq . inches . Size No. over 100 A. I. Ex . Ex . Special Extra Special Special 80-100 No. I. 64-80 ...
... Inches 3 2 No. 4 . No.3 . No ! 2 . No.1 . No.6 . No.5 . 2 Inches 31 TEMPLATE FOR GRADING MICA . 4 Size No. Over Ex . Ex . Special Area , sq . inches . Size No. over 100 A. I. Ex . Ex . Special Extra Special Special 80-100 No. I. 64-80 ...
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