 | Van Daele, J., Hulsbosch, N., Dewaele, S., Boiron, M.-C., Piessens, K., Boyce, A., Muchez, Ph. (2018) Mixing of magmatic-hydrothermal and metamorphic fluids and the origin of peribatholitic Sn vein-type deposits in Rwanda. Ore Geology Reviews, 101. 481-501 doi:10.1016/j.oregeorev.2018.07.020 | Journal (article/letter/editorial) | | metamorphic fluids and the origin of peribatholitic Sn vein-type deposits in Rwanda J. Van Daele, N. Hulsbosch...metamorphic fluids and the origin of peribatholitic Sn vein-type deposits in Rwanda, Ore Geology Reviews (2018)...metamorphic fluids and the origin of peribatholitic Sn vein-type deposits in Rwanda. Van Daele, J.a*, Hulsbosch...leucogranite mineralization, pegmatites, cassiterite, quartz veins, fluid mixing, geochemical modelling...Abstract The fluid sources of granite-related Sn-quartz vein deposits are commonly obscured by fluid mixing |  | | Book (volume) | | (Licking Co.) and Zanesville (Muskingum Co.), a region of rolling, wooded hills. Here, prehistoric Indians...also quarried a rough, porous flintstone from outcrops, especially around McArthur, Vinton Co., for making...CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD, area creek...COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships of Washington...(on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE, area Co. exposures of blue clay |  | | Book (volume) | | (Licking Co.) and Zanesville (Muskingum Co.), a region of rolling, wooded hills. Here, prehistoric Indians...also quarried a rough, porous flintstone from outcrops, especially around McArthur, Vinton Co., for making...CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD, area creek...COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships of Washington...(on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE, area Co. exposures of blue clay |  | | Book | | 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 |  | | Book (volume) | | 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 |  | Smith, C.W., Samater, R.M., Hussain, M.A., Basheer, M.A., Trent, V.A., Cole, J.C. (1985) Preliminary report on the gold deposits at Al Habla, Kingdom of Saudi Arabia. Open-File Report Vol. 1985 (85-128) US Geological Survey doi:10.3133/ofr85128 | Report (issue) | | ......................... 10 The Al Habla mine area................................... Summary of analytical...20 21 21 23 23 23 26 TRENCHING IN THE AL HABLA AREA............................... 26 Al Habla ancient...of the Al Habla area. Paqe Figure 1. Index map showing location of the Al Habla area... 2 2. Regional...Habla area............. 38 2. Analytical data for miscellaneous sampling in the Al Habla area.........Basheer, and V. A. Trent £/ ABSTRACT The Al Habla area encompasses a zone approximately 7 by 12 km where |  | | Report (issue) | | ........ .. 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.. .... .. ... ..... ... |  | | Report (issue) | | ................................ 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) | | Nevada Mining at Bingham, Utah The Greenwater District Ditto Ditto Ditto Abyssinia, Minerals In The...Charles [64 James W. 82 431 114 Nelll 815 District, British W Columbia, The 783 431 795 736 241...Tube-Mill Lining Forbes Rlckard 511 17 The Boundary District The Mineral Output of. In 1906 Broken Hill, Acid...Editorial Wm. Amalgamation of Copper Ore Pan Amalle District of California, The American Copper Spiral Pipe...E. California, Alluvial Mining In The Amalle District of 785, 818 The Ancient River Channels of 567 |  | | 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 |
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Quartz vein outcrops, Knöttel area, Krupka, Teplice District, Ústí nad Labem Region, Czech Republic