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| ........ .. Pegmatitic quartz veins .... .. ......... ... ....... ... Quartz veins ... ... .. .........and stock-work deposits ..... .. ... .. .. . Gold-quartz veins ..... .. ....... .. .. .... .. .. Veins of..... ... .... ...... . ... .. .. Beaverlodge Lake area ... .. ... ... ...... ... ...... .... ... .... ......... .... ... .. . Black Lake area .... .. ... .. . Cree Lake area.. ........... ... ........ ... .......... .. Lac Ia Ronge area........ .. ..... ...... ... . . Amisk Lake area.. .... .. ... ..... ... |
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| Size Categories Dana's Classification of Minerals Quartz Family Gemstones The Various Names and Forms of...archaeologists working in the remote Lake Rudolf area of Africa's Kenya found shaped stone implements...ancient gems), calcite, fluorspar, jadeite, pyrite, quartz family minerals ( agate, carnelian, chalcedony...C. from mines in Kenya. This amorphous form of quartz, with its brilliant flickering of rainbow colors...Reube~), topaz (probably citrine or yellow "topaz" quartz, assigned to Simeon), and carbuncle ( any bright |
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| this part of the state. In this rough, uncurried region are found the famed Fairburn agates, brilliantly...for gemstone materials. An extensive collecting region of agatized and opalized wood for high gem quality...Calcite crystals, Marcasite and Pyrite cubes. The area around the confluence of the Loup River with the...and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte R., especially...wood). CHEYENNE, DEUEL, GARDEN & KEITH COUNTIES AREA, between North and South Platte rivers and in all |
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| ................................ J 15.-Fig. J. Quartz (etched)-Hart.'s l\Jine, Torrington ..........................• ······ ( 2. Rutile in Quartz (grass•atone)-Tingha .............................................................} 3. Nath ·e Bismuth in Quartz-Kingsgatc ................................... ........... .) 32.-Fig. 1.-1\-Iap of the Barrier District ................................................Torrington........................... l2-2 Cook's Vein, St:innum ••••••••••••••••••••••••••• 123 Smith |
 | | Journal (volume) |
| Olaf P. C. A. Logan, District Mining Engineer C. McK. Laizure, District W. Burling Tucker, Reid...Engineer District Mining Engineer Sampson, Assistant District Engineer Chas. V. Averill, District Mining...Francisco - San Francisco TABLE OF CONTENTS Page DISTRICT REPORTS OP MINING ENGINEERS Redding Field Division...EMPLOYMENT SERVICE PUBLICATIONS 7 91 91 Gold Quartz Deposits ADMINISTRATIVE MINERALS AND STATISTICS...possibilities, and developments). REPORTS OF DISTRICT MINING ENGINEERS In 1919-1920 the Mining Bureau |
