 | | Book | | berg Organ Pipes / Twyfelfontein 7 AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 ...Mountainland The Central Northern to Northwest Region including Damaraland The Central Namib Desertand...Mine and Surrounding Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits...__ Republic of Namibia The President State House W°Ntdhoek FOREWORD Namibia is endowed with an |  | | Report (issue) | | ~"f IIJ II IIJ MINERAL RESOURCE SERIES ~j - FLUORITE I ~j by GIC Schneider & KG Seeger I iJ ,....MINISTRY OF MINES Al'TD ENERGY GEOLOGICAL SURVEY NAMIBIA -jl i 1990 ,.1 Open File Report :MRS 09 -~I... ~ '.! -I -1. I MINERAL RESOURCE SERIES FLUORITE by GIC Schneider & KG Seeger edited by BJM Diehl...GEOLOGICAL SURVEY NAMIBIA 1990 Open File Report MRS 09 2 Abstract A number of fluorite deposits occur in Namibia...breccia pipe classes of fluorite deposits. The most important one is at Okorusu Fluorite Mine, a replacement-type |  | Bühn, B., Rankin, A.H., Schneider, J., Dulski, P. (2002) The nature of orthomagmatic, carbonatitic fluids precipitating REE,Sr-rich fluorite: fluid-inclusion evidence from the Okorusu fluorite deposit, Namibia. Chemical Geology, 186 (1) 75-98 doi:10.1016/s0009-2541(01)00421-1 | Journal (article/letter/editorial) | | luid-inclusion evidence from the Okorusu f luorite deposit, Namibia B. Bühn a,*, A.H. Rankin b, J. Schneider a, P...accepted 7 December 2001 Abstract The Okorusu fluorite deposit occurs in Pan-African carbonaceous rocks...rocks of the Damara Sequence in northern Namibia. The epigenetic mineralization formed from fluids expelled...around 120 jC. The immediate country rocks of the fluorite mineralization contain a highly varied H2O – CO2...represent an orthomagmatic fluid responsible for the fluorite mineralization. Cathodoluminescence imaging of |  | | Book (volume) | | rises abruptly into the 6,000 sq. mi. Black Hills region enclosed by the Belle Fourche and Cheyenne rivers...has come only from the core of the Black Hills region. Two divisions are recognized: the Northern Section...The northern section is characterized by vein deposits, while the Southern Hills Dist. Includes both...Fluorapatite (fluorescent orange). BUFFALO GAP, entire region W 37 mi. to the WY line, in stream gravels, cut...FAIRBURN: NW about 10 mi. and just S of the Game Farm (zoo) on US Alt. 16, areaFairburn agates; W on |  | | Journal (article/letter/editorial) | | Pseudomorphs of pyromorphite after galena and cerussite are reported, as are those of apatite, galena...variety of other minerals in the oxidized zones of deposits containing relatively abundant galena at depth...so plentifully in the upper levels of some ore deposits, such as Broken Hill, New South Wales, Australia;...important ore mineral. Associated species can include cerussite, smithsonite, hemimorphite, anglesite, malachite...vicinity of old lead mines at Middletown, with cerussite and wulfenite as a trace mineral in pegmatites |  | | Book | | and collecting them A field guide to mineral deposits, categorized by color and degree of hardness for...Please ,o pen .. ➔ ith ay- • • Black Pages 104 to 135 Here you-will find minerals with a gray to...64 Brown Streak 72 Green Streak 86 Black Streak 104 White Streak 136 Collecting Minerals 212 Finding...fluorine, chlorine, bromine, and iodine-for example, fluorite (CaF,) and halite, also known as rock salt (NaCl)...Gypsum a fingernail can be 3. Calcite scratched 4. Fluorite with a 5. Apatite knife 6. Feldspar 7. Quartz |  | | Journal (article/letter/editorial) | | Pennsylvanian periods, with minor Permian-age deposits. Cretaceous and Cenozoic rocks in the westernmost...Dominated by veins containing barite, calcite, fluorite, and sphalerite, it has not been actively mined...Jackson and others in 1835. Large quantities of fluorite, barite, and zinc ores (sphalerite and smithsonite)...occurs primarily as vein deposits and as minor bedding replacement (mantos) deposits. Deeply weathered surface...consolidated these names. Minerals from noneconomic deposits of interest to collectors occur in pockets or |  | | Book | | REPUBLIC OF NAMIBIA - MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY THE MINERAL RESOURCES OF NAMIBIA FIRST...ENERGY Of the several hundred minerals present in Namibia, around sixty have been exploited. some, such as...sector, significant deposits of base metals and industrial minerals have helped Namibia rank amongst the...terms of production and reserves. In this context, Namibia is a major producer of copper, lead, zinc, cadmium...unpublished. It is evident that mineral exploration in Namibia, as elsewhere. has changed from serendipitous discoveries |  | | Journal (article/letter/editorial) | | of the sulfides associated with the barite-fluorite deposits exposed at the Stanislaw6w mine in the Kaczawa...of sulfide minerals associated with the barite-fluorite . mineralization in the Stanislaw6w mine in the...SETTING AND MINERALOGY OF THE DEPOSIT The barite-fluorite deposit at Stanislaw6w occurs in the Lower Paleozoic...frequently found in the immediate contact of the barite-fluorite deposit. " 50 1.. KARWOWSKI & W. KOWALSKI...weaker in WNW-ESE and NE-SW directions. The barite-fluorite deposit at Stanislawow formed within the deep |  | | Journal (issue) | | was pulling out. That was the death-knell for fluorite mining in the United States, the e~d of 163 year-long... 1. Field trip members turning fluorite slabs searching for fluorite crystals at Hastie's Quarry. A...gave detailed insight into the mining at the Wise fluorite mine, Westmoreland, New Hampshire. The Rocks and...on display dispelled any doubts. The Wise Mine fluorite and quartz matrix specimens on display were more...geology and geologic history of the state region by region. Following that, the more detailed geology |  | | Journal (issue) | | of quartz, smoky quartz, cassiterite, amethyst, fluorite, autunite and other fluorescents, together with...barite from Sheppey, calcite from Plumpton and fluorite •• from the North Pennine orefield for example...from the Copper Valley mine, Mesopotamia 504, Namibia, consisting of small but very aesthetic blue-green...tuperssuatsiaite from the Aris quarry, South Windhoek, Namibia, both showing exquisite tufts of very dark green...given the need to get it back in one piece from Namibia. Nick Hawes Class 3. A display of British minerals |  | | Journal (article/letter/editorial) | | these rocks are partially blanketed by glacial deposits and outwash that no doubt cover other potential...(crystals, some etched), epidote (microcrystals), fluorite (crystals), hematite (microcrystals), magnetite...epidote (crystals), ferrogedrite (green byssolite), fluorite, helvite, hematite, kaolinite, magnetite (crystals)...(crystals), fluocerite-(Ce), fluorapatite (crystals), fluorite* (crystals), goethite (after siderite), microcline...miles WSW of Jackson: bazzite (microcrystals), fluorite, galena, helvite (microcrystals), hematite (martite |  | | Journal (article/letter/editorial) | | E. of Albuquerque. Galena King mine: barite, fluorite, galena, malachite. Hell Canyon subdistrict (Seiiora...NE of Glenwood: acanthite, bornite, chalcocite, fluorite, gold, hematite, pyrargyrite, rhodochrosite, stromeyerite...Sacaton mine, Blue Rock and Bit Spar prospects: fluorite. Volume 67, September/October 1992 315 Downloaded...quartz (“Pecos diamonds”). Fort Sumner (Dunlap region), Near Fort Sumner: gypsum. Pecos River Valley...Grants. Mirabel and Sec. 21 and 27 mines: barite, fluorite, malachite. Doiia Ana County Figure 2: Spessartine |  | | Journal (issue) | | Green, Trevor F Bridges and Tim Neall Mud-filled fluorite vugs in Greenlaws mine, Weardale, Co. Durham Stephen...and David I. Green Epirnorphs of quartz after fluorite from Rampgill, Coalcleugh and Bameycraig mine...overlying rocks have influenced the growth of fluorite in Greenlaws mine, Weardale, and Stephen and David...sequence is partly covered by Pleistocene glacial deposits (Worssam and Old, 1988; Carney et al., 2001; Horton... sphalerite, calcite, aurichalcite, azurite, cerussite, hemimorphite, malachite, mottramite, smithsonite |  | | Journal (issue) | | ................. 731 by W. E. Wilson COVER: FLUORITE crystal on celestine, 8 cm (see page 672), from...quarry is best known for the “root beer” brown fluorite crystals which have been found there since at...that are mineralized with fine specimens of brown fluorite, white to colorless celestine crystals, calcite...specimens are found in many other quarries in the region, but the White Rock quarry at Clay Center has become...Toledo in northwestern Ohio. This northwestern region of the state is intersected by the Findlay Arch |  | | Book (volume) | | (Licking Co.) and Zanesville (Muskingum Co.), a region of rolling, wooded hills. Here, prehistoric Indians...occurrences are widespread throughout Ohio, the chief deposits of true flint (characterized by ease of working)...good specimens of Celestite, Dolomite crystals, Fluorite (fluorescent), , Galena, Marcasite, Pyrite, Selenite...COUNTY MILFORD, area creek gravels and alluvial deposits, rare⎯Diamond. CLINTON COUNTY WILMINGTON, area...occurrences in shale or sandstone); and conspicuous deposits in townships of Clark (limestone occurrences) |  | | Book (volume) | | (Licking Co.) and Zanesville (Muskingum Co.), a region of rolling, wooded hills. Here, prehistoric Indians...occurrences are widespread throughout Ohio, the chief deposits of true flint (characterized by ease of working)...good specimens of Celestite, Dolomite crystals, Fluorite (fluorescent), , Galena, Marcasite, Pyrite, Selenite...COUNTY MILFORD, area creek gravels and alluvial deposits, rare⎯Diamond. CLINTON COUNTY WILMINGTON, area...occurrences in shale or sandstone); and conspicuous deposits in townships of Clark (limestone occurrences) |  | | Report (issue) | | MINERAL RESOURCES BULLETIN 17 ARITE AND FLUORITE WESTE AUSTRALIA * by R 6. Abeysinghe and J. M. Fetherston...P. B., and FETHERSTON, J. M., 1997, Barite and fluorite in Western Australia: Western Australia Geological...and fluorite in Western Australia Bibliography. Includes index. ISBN 0 7309 6539 2. 1. Fluorite- Western......................... Marble Bar (Big Stubby deposits) ........ ... 111 15 17 17 17 17 17 18 18 18.... Part Two - Fluorite Chapter 5: Mineralogy, mode of occurrence and uses of fluorite Mineralogy ... |  | | Journal (article/letter/editorial) | | TUCSON SHOW GALENA from Mississippi Valley-Type Deposits RAYMOND L A S M A M S Department of Natural Resources...Mississippi Valley-type (MVT) deposits. So prolific are these deposits that in 1985 the mines of the...classified as MVT are also major producers of zinc, fluorite, and barite as well as accessory copper and lesser...nickel, and silver. What are M V T deposits? They are mineral deposits with common characteristics that...mid-continent region of the United States. Geologists have now classified numerous deposits and mining districts |  | | Journal (issue) | | resources, for instance he investigated the chromite deposits of the Shetlands, It was from his mother Lady...excellent suites of chalcopyrite, chalcocite, fluorite, barite, pyromorphite and mimetite. One of Russell's...quartz geodes Moroccan Mine minerals - including Fluorite Combinations, Anglesites, Native Silver, Erythrites...oxidised galena with well-developed crystals of cerussite and wulfenite, filled the floor of the cave. This...crystal of galena entirely coated by crystallised cerussite. The upper face shown is 57 mm across (specimen |  | | Journal (article/letter/editorial) | | SPECIAL MINERAL & ROCK COLLECTING IN THE ROSICLARE FLUORITE DISTRICT OF SOUTHEASTERN ILL. By JOSEPH SCHRAUT...magnificent collecting of in the vein-type fluorite deposit and can fluorite in the Rosiclare District of South-...Rosiclare district is more notably the multi-colored fluorite. The associated argentiferous than the galena...veinlets in fluorite. The galena malachite, quartz, smirhsonite, cerussite, usually occurs with fluorite, calcite...surfaces of the galena, e.g., ceruscurrence of the fluorite which is found site as films or crusts. Galena |  | | Book (edition) | | rocks, pegmatites, ore veins or other types of ore deposits, including secondary minerals, in Alpine fissures...metamorphic rocks and in residual and alluvial deposits. Special attention was paid to localities of gemstones...named according to chemical composition (e.g. fluorite). to crystallographic tenns (e .g. prismatine)...to reflect the light gypsum. 3 - calcite, 4 - fluorite, 5 - apatite, 6 - ortho- beam on the polished...abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country |  | | Journal (issue) | | Medici & K. Bladh Fluorite find in the Valley of the Fiescher Glacier, Oberwallis Region, Switzerland ...................................... 497 COVER: FLUORITE phantom crystal with calcite crystals on matrix...FineMineral.com Goboboseb Mountains, Brandberg Area, Namibia 12 cm CRYSTAL CLASSICS FINE MINERALS orders@crystalclassics...Somerset, England BA22 9HY Azurite Easter Pocket, Namibia 12.0 x 6.8 x 6.7cm Rhodochrosite Tourmaline with...especially multicolored, iridescent and non-iridescent fluorite cubes, some with purple phantoms, are the principal |  | Richter, D.H., Sharp, W.N., Watts, K.C., Raines, G.L., Houser, B.B., Klein, D.P. (1983) Mineral resource assessment of the Silver City 1 degree x 2 degrees Quadrangle, New Mexico-Arizona. Open-File Report Vol. 1983 (83-924) US Geological Survey doi:10.3133/ofr83924 | Report (issue) | | Porphyry Cu (Mo) deposits..................................... Cu-Zn-Fe replacement deposits................Cu-Ag-Au (Pb-Zn) vein deposits................................ Cu vein deposits.........................Porphyry Cu (Mo) deposits..................................... Stockwork Mo deposits....................Cu-Zn-Fe replacement deposits.................. Zn-Pb (Cu-Ag-Au) vein and replacement deposits.................(Cu-Zn-Au) vein deposits................................ Cu-Ag-Au (Pb-Zn) vein deposits............... |  | | Report (issue) | | copper, gold, iron, lead, silver, zinc, barite,and fluorite. Detailed and summary information on site location...skarn/replacement deposits in marble bordering tholeiitic diabase sheets. These deposits contain abundant...minerals enriched in Cu, Co, Au, and Ag. 2) hornfels deposits in metamorphosed calcareous siltstone units bordering...intrusion. Deposits in this category include: 1) sediment-hosted and stratabound/replacement deposits of Cu...Cu and/or In. Sandstone-hosted deposits are copper-rich, typically enriched in Ag and sometimes U, and |
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