| | Journal (article/letter/editorial) | Volcanic Belt, northern Wisconsin, Michigan and east-central Minnesota, USA: Implications for future...LLC, 34898 University Ave, Cambridge, MN 55008, USA A R T I C L E I N F O A B S T R A C T Keywords:...Volcanic Belt (PVB) of northern Wisconsin, Michigan and east-central Minnesota, USA. These cycles are responsible...paleoweathering proïŹles. The most signiïŹcant are at the Flambeau and Back Forty deposits where Au-Ag-enriched indigenous...ores, as was the case at Flambeau (Flambeau Mining Corporation, 1976; Flambeau Mining Inc., 1990). Although | | | Journal (article/letter/editorial) | Sciences University of Wisconsin-River Falls 410 South Third Street River Falls, Wisconsin 54022 his is Wisconsinâs... breweries, bratwurst, and Packers football, Wisconsin also has a diverse geology and a history rich...forgotten, abandoned, and overgrown. In this respect, Wisconsin represents a frontier state for the mineral collector...several new localities, including the Flambeau copper mine near Ladysmith (Rosemeyer 1999, the Vulcan Materials...Racine (Scovil 1994), the pegmatites of Florence County (Koehier 1989) and the Wausau area (Falster 1987) | | | Journal (article/letter/editorial) | Photographs JanuarylFebruary: Copper, Ray, Pinal County, Arizona. Les Presmyk specimen, Jeff Scovil photo...with quartz and albite, Tourmaline Queen mine, San Diego County, California. Houston Museum of Natural...claims, Farncomb Hill, Breckenridge district, Summit County, Colorado. Denver Museum of Natural History specimen...Azurite on malachite ring, Flambeau mine, Ladysmith, Rusk County, Wisconsin. Dan Behnke specimen and photo... calcite, and chalcopyrite, Sweetwater mine, Reynolds County, Missouri. Marvin Rausch specimen, Jeff | | | Journal (article/letter/editorial) | Jeffrey Scovil photo. July/August: Calcite, Gallatin County, Mon tana. American Museum of Natural Histo ry...September/October: Chalcocite, Flambeau mine, Ladysmith, Rusk County, Wiscon sin. F. John Barlow specimen...November/December: Chalcocite, Bristol, Hartford County, Connecticut. Jim Minette specimen, Jeffrey Scovil...Vanadinite mine, 56-59 Arkansas, Potash Sulphur Springs, 154-70 Arsenopyrite, Connecticut, 128; Wisconsin, 338...Contributed Papers in Specimen Mineralogy Azurite, Wisconsin, 338 Babcock, L . E . , see Media Reviews Babingtonite | | | Report (issue) | Canada); roquesite, sphalerite, chalcopyrite, digenite, arsenopyrite, cassiterite, scorodite (Mangabeira...Canada. In the USA, at the Flambeau mine, southwest of Ladysmith, Rusk Co., Wisconsin. Found in the Mangabeira | | | Journal (issue) | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...of bomite, 5.7 cm, from the Flam beau mine, Ladysmith, Wisconsin. William Larson collection; Jeff Scovil...Weardale fluorite miniature for $140, a beautiful 79 mine aurichalcite (2.75 inches) for $140, a Zambian libethenite...Tucson, Arizona 85721 Mexico is a geologically complex land with excellent examples of most of the tectonic...Tredwell to carefully document the localities by mine and sometimes by level. It also afforded him superior | | | Journal (issue) | Menasha, Wisconsin, the Weis Earth Science Museum (figure 1) is part of the University of Wisconsin Oshkosh...designated it as the Official Mineralogical Museum of Wisconsin, and its mission is to preserve and promote the...the unique geologic and mining heritage of Wisconsin while underscoring the importance of earth science...teaching at Lawrence University in Appleton, Wisconsin. Ten years later, he moved to UW-Fox Valley where...brown jarosite crystals on matrix from the McLean Mine, Esmeralda Co., Nevada. The Martian material was | | | Journal (issue) | described from slags at Le Celine di Cotoriano Mine (Rosia, Siena Province, Tuscany, Italy). I have...aesthetic end we saw the best stibnite from Xikuangshan Mine (Lengshuijiang, Shaoyang, Hunan Province, China)...on the This year, giYe the gift of information! Mine al The Mineral Collector's Mineral News, The Mineral...Conselheiro Pena, Minas Gerais, Brazil): 2-5 cm complex aggregates of striated crystals - are they partly...even if the specimens are perfect, they are so complex, you can hardly identify the crystal form. The | | Yesares, Lola, SĂĄez, Reinaldo, Nieto, JosĂ© Miguel, De Almodovar, Gabriel Ruiz, GĂłmez, Carmelo, Escobar, Juan Manuel (2015) The Las Cruces deposit, Iberian Pyrite Belt, Spain. Ore Geology Reviews, 66. 25-46 doi:10.1016/j.oregeorev.2014.10.019 | Journal (article/letter/editorial) | Late DevonianâMississippian Volcano-Sedimentary Complex (VSC) and the Late ViseanâMoscovian post-volcanic...ore facies The Las Cruces ore deposit shows a complex shape as a result of the Variscan deformation and...secondary lens consists mainly of chalcocite, digenite, djurleite, covellite, bornite and enargite, together...supergene Cu-sulïŹdes assemblage includes chalcocite, digenite, djurleite, covellite, enargite and bornite. Both...rounded, and are enclosed by massive chalcocite and digenite. These two mineral assemblages feature different | | | Journal (article/letter/editorial) | Alteration of the Crandon MassiveSulfideDeposit, Wisconsin ROBERT N. LAMBE* AND ROGER G. ROWE Exxon Company...locatedapproximately 10 km south of Crandon in Forest County, Wisconsin.Most of the area is coveredby glacialdepositsrangingin...ts, end of the deposit(Figs.3 and4). Crandon, Flambeau, PelicanRiver, and subeconomic Nashvilleunit:...8E andF) or pyrite-sphaleritechalcopyriteveins. Mine recoverablereserveshave been estimatedat 61 million...sphaleritemostcommonly nite, chalcocite,covellite,digenite,electrum,enar- forms blebby rounded inclusionsin | | | Journal (article/letter/editorial) | fine- to medium-grained aggregatesof subhedral digenite,bornite,and covellite;occasional grains of to...significantdifferenceswere detected. 1976). At Flambeau,a distinctioncan be madebe- Galenais foundas...southernChileby Sillitoeet al. (1968). The area caseof the Wisconsin examples the Flambeaudeposit theseworkersstudiedwas...areaswithin this part of the Shield: northern Wisconsin,the Chibougamaudistrictof northernQuebec,and northern...Supergenealteration has been documented in the Flambeau (May, op. cit., 1976) andCrandon(Schmidtet al | | | Journal (issue) | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Steven R. Morehead...COVER: COPPER, 8.3 cm, from the Central mine, Keweenaw County, Michiganâconsidered by some to be the worldâs...fine minerals on DVD wilensky Fluorite, Huanzala mine, Dos de Mayo Province, Peru. Wilensky Fine Minerals...of the localities and showcases. Then came the complex arrangements with Peter Megaw of the TGMS and Show...1900s. The epidote specimens occur within a skarn complex on privately owned patented mining claims which | | Yesares, Lola, SĂĄez, Reinaldo, Nieto, JosĂ© Miguel, de AlmodĂłvar, Gabriel Ruiz, Cooper, Stephen (2014) Supergene enrichment of precious metals by natural amalgamation in the Las Cruces weathering profile (Iberian Pyrite Belt, SW Spain) Ore Geology Reviews, 58. 14-26 doi:10.1016/j.oregeorev.2013.10.004 | Journal (article/letter/editorial) | Mineralogical studies conducted on samples from the active mine workings indicate that Hg and precious metals occur...fugacity (Krupp and Weiser, 1992). Au bisulïŹde complex [Au(SH)â 2 ] can occur in supergene environments...periods. Thus, thiosulfate is the most probable complex under near-surface environment and neutral conditions...oxidation product of Ag unlikely, although more complex sulfate phases (i.e., argentojarosite) are common...Late-Famennianâ Tournaisian Volcano-Sedimentary Complex, and the ViseanâWestphalian B Post-Volcanic Culm | | | Journal (issue) | d'Ossola, Italy; Lyangara, Uzbekistan; and the Emma Mine, Little Cottonwood District, Salt Lake Co., Utah...News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone: 208-664-2448 âą 3 E-mail: lream@comtch.iea..." and regular or reverse sceptering as well as complex multiple terminations arc very common. Other rarer...size range. with fonns typically sufficiently complex to require I Ox m:igni fication for the fullest...dimension but the microscopic crystals have a more complex morphology and display numerous habits of which | | Tornos, Fernando, Velasco, Francisco, Slack, John F., Delgado, Antonio, Gomez-Miguelez, Nieves, Escobar, Juan Manuel, Gomez, Carmelo (2017) The high-grade Las Cruces copper deposit, Spain: a product of secondary enrichment in an evolving basin. Mineralium Deposita, 52 (1) 1-34 doi:10.1007/s00126-016-0650-3 | Journal (article/letter/editorial) | Survey, National Center, MS 954, Reston, VA 20192, USA 4 Laboratorio de BiogeoquĂmica de IsĂłtopos Estables...limestone Mafic intrusive rocks Volcanosedimentary Complex. Dominantly felsic domes PQ Group: shale & sandstone...only the secondary ore, the mine has a projected life until 2022. The mine will produce ca. 1 Mt of copper...includes a lower cementation zone superimposed by a complex zone of red and black rocks rich in lead and precious...transition to the overlying Volcanic Sedimentary Complex (VS Complex; latest Devonian to middle Visean) is defined | | | Journal (issue) | COVELLITE crystal cluster, 3 cm across, From the Leonard mine, Butte, Montana. Frederick H. Pough collection;...like bornite, chalcocite, colusite, covellite, digenite, djurleite, and enargite rank among the finest...the Butte mining camp, especially in the Kelley mine, was just full of vug holes . . . the holes, some...located in Butte, at the site of the old Orphan Girl mine. . . . So wrote a trainee miner, Jerry Dolph, concerning...an underground stope at Butte, Montanaâs Kelley mine in the early 1970âs (Dolph, 1994). The wonderful | | | Book (volume) | instance, a single Spodumene crystal from the Etta Mine near Keystone on the east side of the Mount Rushmore...beds, excavations, etc.ïŸSelenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...ïŸgray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.ïŸpetrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: ï area ridges, slopes, stream beds...Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles Eye Tunnel | | | Journal (issue) | Cooper Nottingham, England Anthony R. Kampf L.A, County Mus. of Nat. Hist. Los Angeles, CA Steven R. Morehead...group, 13 cm, w ith calcite from the Minerva No. 1 mine, near Cave in Rock, Illinois. Marvin Rausch collection;...Sterling mine at Antwerp, New York; the Alpine veins near Sherbrooke, Quebec; the Nanisivik mine on Baffin...country and soon became a collector. The cobalt mine at Bou-Azzer was among his favorite localities,...really fine azurite specimens from the now-famous mine at Touissit, and later many superb cerussites and | | | Book (volume) | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.âŻcone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Toddâs Ford, a mineral depositâŻHematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarriesâŻoilstone. DELAWARE COUNTY DELAWARE...nodulesâŻPyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) âŻHematite. HOCKING COUNTY AREA | | | Book (volume) | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.âŻcone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Toddâs Ford, a mineral depositâŻHematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarriesâŻoilstone. DELAWARE COUNTY DELAWARE...nodulesâŻPyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) âŻHematite. HOCKING COUNTY AREA | | | Journal (issue) | Articles Famous mineral localities: The Kipushi mine, Z a ir e ........................................is connected by a good road to the old Kansanshi mine and the neighboring Solwezi town, about 100 km S60°W...Kolwezi, Shinkolobwe and Broken Hill. The Rokana mine is located near Kitwe. deposits in order to establish...re-exploited today, it would still be as an underground mine, despite the mechanized shovels and other heavy...egabreccia (after Francois, 1987). Figure 5. The Kipushi mine out crop in a natural karstic de pression, 1915 | | | Journal (issue) | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Articles Famous mineral localities: The Bristol copper mine, Connecticut......................................in the U.S.A. notesfrom th r EDITORS OLD YUMA MINE Another great mineral locality has now been closed...longfamous Old Yuma mine near Tucson (see R. L. Jones, âFamous mineral localities: the Old Yuma mine,â in vol....period of activity, access to the mine was cut off in 1984. In 1996 the mine area was absorbed into the Saguaro | | | Journal (issue) | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...FLUORITE crystal group, 8.1 cm, from the Shangbao mine, H unan, China. Collector's Edge Minerals specimen;...color, and give a historical background for each mine or mining venture. These catalogs, still available...DIRECTORY Natural History M useum o f Los Angeles County Fax: (213) 749-4107 Website: h ttp://nhm .org/m...than 120 minerals have been identified from this mine, but as a mineral locality it is best known fo r | | | Journal (issue) | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Johnston & E. R. Swoboda Sulfur from the Perticara mine area, Pesaro-Urbino, Italy . . . . . . . . . . ...Pezzotta Famous mineral localities: The Lord Brassy mine, Tasmania . . . . . . . . . . . . . . . . . . .... John Sinkankas (1915â2002) at the Pala Properties Mine Bash, 1977. Van Pelt photo. NOTICE Died, John Sinkankas...spent much time field collecting in the San Diego County localities. He published Mineralogy for Amateurs | | | Journal (issue) | "iron cross" (pyrite twins), "Manchurian nut" (complex plagioclase twins)... Attempts to describe these...to failure. This made it necessary to develop a complex apparatus of generalized symmetry (antisymmetry...such indefinite and controversial term such as "complex individual "[5, 6]. But everything makes sense...often (but not always) results in the formation of complex supermolecular structures. It is sufficient to...and spherulitic formations, polysynthetic and complex twins, or distorted crystals. Therefore many pathologic |
|