 | | Journal (article/letter/editorial) | | PHILLIPSITE, and THOMSONITE. Adams County Alaska mine, Seven Devils district: azurite, grossular, malachite...malachite, powellite, and scheelite. Arkansas mine, Seven Devils district: grossular. Blue Jacket claim...and stilbite. Copper Bo~' mine, Seven Devils district: epidote. Helena mine (reportedly just northwest...northwest of the Peacock mine at the present site of a small open pit but also reported to be about 1 mile northwest...scheelite. Little Goose Creek Canyon, 5 miles east of New Meadows, placer deposits: chromite, CORUNDUM, diamond |  | | Book | | editing the book. The second edition incorporates new information on recently identified minerals as well...mineralogists have resulted in the discovery of many new minerals and mineral occurrences within the state...In addition to numerous new illustrations, this second edition contains many new locality listings, entries...species, varieties and synonyms, minerals new to Michigan, and new references. Most general sections in Part...totally new. Noteworthy but unverified occurrences have been grouped together in Part III, and new appendices |  | GĆ¼nther, T., Haase, K.M., Junge, M., OberthĆ¼r, T., Woelki, D., Krumm, S. (2018) Oxygen isotope and trace element compositions of platiniferous dunite pipes of the Bushveld Complex, South Africa ā Signals from a recycled mantle component?. Lithos, 310. 332-341 doi:10.1016/j.lithos.2018.04.017 | Journal (article/letter/editorial) | | Bushveld Complex, Kaapvaal Craton, Large Igneous Province, Olivine, trace CE Abstract Platiniferous dunite...large igneous province (LIP). Olivine compositions in these pipes range from forsterite (Fo) 80 to 35...melting of a pyroxene-rich mantle source. igneous province, olivine, oxygen isotope MA Introduction NU...Mitchell, 1994; Viljoen and ED Scoon, 1985), (2) new magma pulses from the mantle (Cawthorn et al., 2000;...Schiffries, 1982; Stumpfl and Rucklidge, 1982). CE New trace element and O isotope data of olivine and pyroxene |  | | Journal (article/letter/editorial) | | setting of mineralisation on Tweefontein Hill, northern limb of the Bushveld Complex, South Africa Paul...A. M. Nex Tweefontein Hill is situated in the northern limb of the Bushveld Complex where there is a...Complex in the northern limb. Tweefontein Hill is situated 6Ā·5 km south of the Sandsloot Mine at the southern...PGEāNiāCu mineralised layer at the base of the northern limb of the intrusion, and exhibits a sinuous...largest resource of PGEs.7 The floor rocks to the northern limb comprise Transvaal Supergroup lithologies |  | | Journal (article/letter/editorial) | | rue de la Frrollerie, F-45071 Orlrans Cedex 2, France 2 Laboratoire des Elements de transition dans les...place A. Briand, F-92195 Meudon, Principal Cedex, France Abstract. A single-crystal of topaz was studied...is significantly (150 c m - a ) larger than in forsterite (Piriou and McMillan 1983) where corresponding...(14.5 cm -1) with respect to that observed in forsterite (107 cm -1) or in other aluminosilicates. This...than with frequencies of other silicates like forsterite (825/856 cm- 1). The frequency increase is due |  | McFall, Katie, McDonald, Iain, Tanner, Dominique, Harmer, R.E. (Jock) (2019) The mineralogy and mineral associations of platinum-group elements and precious metals in the Aurora Cu-Ni-Au-PGE deposit, Northern Limb, Bushveld Complex. Ore Geology Reviews, 106. 403-422 doi:10.1016/j.oregeorev.2019.02.008 | Journal (article/letter/editorial) | | precious metals in the Aurora Cu-Ni-Au-PGE deposit, Northern Limb, Bushveld Complex Katie McFall, Iain McDonald...precious metals in the Aurora Cu-Ni-Au-PGE deposit, Northern Limb, Bushveld Complex, Ore Geology Reviews (2019)...precious metals in the Aurora Cu-Ni-Au-PGE deposit, Northern Limb, Bushveld Complex Katie McFall1, Iain McDonald1...platinum-group element (PGE) prospect hosted in the Northern Limb of the Bushveld Complex, South Africa. It...is one of only three deposits discovered in the Northern Limb so far to be hosted in the melanocratic-leucocratic |  | | Journal (article/letter/editorial) | | Abitibi Greenstone Belt (AGB) of the Superior Province in Canada, and the extensive greenstone sequences...Abitibi Greenstone Belt (AGB) of the Superior Province in Ontario and Quebec, Canada (Fig. 1), and the...statistics Locality Agnew Albion Downs Bardoc Bellevue ā Kathleen Valley GA Binti Binti Black Swan Boundary...Younami Superterrain (formerly Southern Cross province), which occurs in the central portion of the Yilgarn...sequence of tholeiitic basalts, whereas those in the northern part between Agnew and Wiluna (NW of Kalgoorlie) |  | | Journal (article/letter/editorial) | | clinopyroxene from the lower Main Zone of the Northern Limb of the Bushveld Complex were analysed for...that plagioclase and the maļ¬c silicates in the Northern Limb of the Bushveld Complex may have crystallised...Moordkopje (MO-1) drill core that was drilled on the Northern Limb of the Bushveld Complex during late 1979...was published by Roelofse and Ashwal (2012). The Northern Limb (also known as the Potgietersrus Limb) exhibits...eastern edge and near Villa Nora in the Limpopo Province of South Africa. The limb has a triangular outline |  | | Journal (article/letter/editorial) | | dans les solides C.N.R.S. Bellevue, I Place Aristide Briand, 92190Meudon. France eNo Peul McMnreN Department...monticellite, and the Raman spectra of polycrystalline forsterite, merwinite and B- and yCa2SiOa are preselted...olivine structure refinements in a search for forsterite (Mg2SiOa),tephroite (MnzSiOr) and yCa2SiOa, systematicswhich...kWverticalaxis solarfurnaceatC.N.R.S. Odeillo, France. Crystalline samples were prepared by removal of...bands for Ca, Mg orthosilicatesand tephroite Forsterite Mg2SiOa Montlcellite (a) (b) (c ) 825.5 |  | | Book (edition) | | collectors who are active in the field and make new information and specimens available to others. vi...not-so-secret information that was never obtained, and new information that has not yet been discovered. Thjs...or a vein of massive pyrite and chalcopyrite in a mine, so references such as these were not included....particular mineral may be a certain mine, but that mine may now have a new name, or may now be a nondescript...there may be others. The biggest problems are with mine names and occasional1y mining district names. Mining |  | | Report (volume) | | of CUSMAP is the development and application of new concepts for the identification of mineral resource...possibly mineralized areas. CUSMAP is providing new information on present and potential mineral supplies...(Kiilsgaard and others, 1986). His work has provided new insight into this important class of mineral deposits... Bullion 23. Bunker Hill 24. Minnie Moore 25. Bellevue 26. Wood River 27. Triumph 28. East Fork Wood...Carrietown Bullion Bunker Hill Minnie Moore Bellevue Wood River Triumph East Fork Wood River Lake |  | Kinnaird, Judith A., Hutchinson, D., Schurmann, L., Nex, P. A. M., de Lange, Renee (2005) Petrology and mineralisation of the southern Platreef: northern limb of the Bushveld Complex, South Africa. Mineralium Deposita, 40 (5) 576-597 doi:10.1007/s00126-005-0023-9 | Journal (article/letter/editorial) | | Petrology and mineralisation of the southern Platreef: northern limb of the Bushveld Complex, South Africa Received:... forms the ļ¬oor to the maļ¬c succession in the northern limb of the Bushveld Complex. We deļ¬ne the Platreef...forms the basal unit on the eastern edge of the northern limb of the Bushveld Complex (Fig. 1) where the...limbs, with the outline of the southeastern and northern limbs interpreted from aeromagnetic and gravity...PGE, nickel, copper and gold mineralisation, and new open pit production on Zwartfontein 818LR recently |  | | Journal (issue) | | MARCH 2020 2 ROCKNGEM.COM ! d e v o M e v ā We NEW LOCATION Same Great Product 520 E. Franklin Rd. Meridian...Tradition And āLiving the Dreamā at Wild Turkey Mine 20 cherishing chert A Mother Rock for the Ages...Non-transferrable.RG6/19 RG3/20 ROYAL PEACOCK OPAL MINE Dig your own Virgin Valley Fire Opals ALL YOU FIND...BadakhshĆ£n Province from the western-backed central government of Afghanistan. A rugged mountain province in...these lenses also contain the silicate minerals forsterite, enstatite, phlogopite, and diopside, and the |  | Hepworth, Luke N., Kaufmann, Felix E. D., Hecht, Lutz, Gertisser, Ralf, OāDriscoll, Brian (2020) Braided peridotite sills and metasomatism in the Rum Layered Suite, Scotland. Contributions to Mineralogy and Petrology, 175 (2) doi:10.1007/s00410-019-1652-9 | Journal (article/letter/editorial) | | within the ELI represent sills, we have carried out new field, petrographic, and mineral chemical analyses...containing abundant harrisite layers. In addition to the new peridotite subtypes defined in this study, we find...severe modification of primary features and created new, hybrid lithologies previously assumed to be related...the formation of the layered intrusion. We present new field, petrographic, and mineral chemical data from...metasomatism, transforming primary lithologies into new, clinopyroxene-rich varieties. By recognising these |  | | Journal (issue) | | Acanthite with silver, 2.6 cm, from the Uchucchacua mine, Peru; Allan Young collection and photo. Amethyst...6 cm, from Colombia; Gene Meieran collection. Forsterite, 2 cm, from St. Johnās Island, Egypt. Ray Hill...discovered along the Fraser River in British Columbia, a new gold rush drew more than 30,000 prospectors, and...troy-ounce) Turnagain Nugget, found on a creek in northern B.C. in 1937. The B.C. Department of Mines purchased...number suggests he may have started as a boy in New Jersey. In any case, it is certain that he became |  | Otto, A., Dziggel, A., Kisters, A. F. M., Meyer, F. M. (2007) The New Consort Gold Mine, Barberton greenstone belt, South Africa: orogenic gold mineralization in a condensed metamorphic profile. Mineralium Deposita, 42 (7) 715-735 doi:10.1007/s00126-007-0135-5 | Journal (article/letter/editorial) | | 10.1007/s00126-007-0135-5 ARTICLE The New Consort Gold Mine, Barberton greenstone belt, South Africa:...2007 # Springer-Verlag 2007 Abstract The New Consort Gold Mine in the Palaeo- to Mesoarchaean Barberton...the basal granitoidāgreenstone contact along the northern margin of the greenstone belt. It is characterized...loellingite in the structurally deepest part of the mine. The main stage of gold mineralization was broadly...gold . Barberton greenstone belt . South Africa . New Consort 716 Miner Deposita (2007) 42:715ā735 |  | Maier, W. D., Barnes, S.-J., Groves, D. I. (2013) The Bushveld Complex, South Africa: formation of platinumāpalladium, chrome- and vanadium-rich layers via hydrodynamic sorting of a mobilized cumulate slurry in a large, relatively slowly cooling, subsiding magma chamber. Mineralium Deposita, 48 (1) 1-56 doi:10.1007/s00126-012-0436-1 | Journal (article/letter/editorial) | | constitutes the worldās most valuable mineral province (Naldrett 2009), hosting the bulk of global resources...mines, 2 Union platinum mine, 3 Impala platinum mines, 4 Rustenburg platinum mine, 5 Western platinum and...mines, 6 Crocodile River mine, 7 Messina platinum mine, 8 Atok platinum mine, 9 Maandagshoek section with...with Modikwa platinum mine, 10 Mineral Range and Shebaās Ridge deposit, 11 Rooipoort, Moorddrift, and... including their remarkable lateral continuity. New whole-rock compositional data are then used to build |  | | Journal (article/letter/editorial) | | author unless otherwise noted Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem...with chalcopyrite and galena from the Camp Bird mine. CSM Geology Museum specimen. veins of the central...subduction/collision/intrusive igneous event between the Wyoming Province plate and an unnamed plate located to the (present-day)...tennantite) on pyrite from the Phoenix-Burroughs mine, Central City district, Gilpin County. Specimen...chalcopyrite with sceptered quartz. The California mine on Quartz Hill has produced plates of intergrown |  | | Journal (article/letter/editorial) | | and the Abitibi greenstone belt of the Superior province. High MgO komatiite magmas, with MgO in the 25...Proterozoic Thompson Nickel Belt of the Superior province. These terranes account between them for about...terrane is in fact the third largest Ni sulfide province in the world, behind Norilāsk and Sudbury, in...endowed Abitibi greenstone belt in the Superior Province, using large databases of 755 Zimbabwe Raglan...Eastern Goldfields Superterrane, Agnew-Wiluna is the northern section of the Kalgoorlie terrane north of Leonora |  | | Journal (article/letter/editorial) | | volcanism of the Snake River Plain - Yellowstone province is characterized by bimodal basalt-rhyolite extrusive...composition lavas in the petrologic framework of this province has not been fully ascertained, but their small...classic Marscoites of the British Tertiary volcanic province (cf. Wager et al. 1965). Locally these lavas contain...(1961) and Smith (1966). Based on their work and new reconnaissance investigations, Leeman (1982b) summarized...Mtn. Ferrolatite, or SMF) were extruded near the northern and southwestern margins of the area shortly following |  | | Journal (article/letter/editorial) | | susceptibility does not necessarily correspond to a new magma batch, unless it is also associated with a...Irvine, 1975; Cawthorn and Walraven, 1998). The new model of stacked magmatic chambers, in which crystal...McBirney, 1996). The processes may include injection of new magma in a magma chamber (replenishment), tapping...For silicate solid-solutions, such as fayaliteāforsterite, the magnetic susceptibility increases with the...ferromagnetic mineral content. 5. Magnetic stratiļ¬cation ā new data Fig. 2. Thermomagnetic experiments. A ā Variation |  | | Book (volume) | | somewhere over the stateās varied surfaces. The upland northern counties are heavily forested with hardwoods,...areaļ¾Staurolite; ļ NE 2Ā½ mi.: (a) the Cochran Mica Mine (1 mi. from the Cherry Grove School, near old tenant...mi., on the Etowah R., at the Creighton-Franklin Mineļ¾Gold; ļ on the Oscar Robertson farm; and ļ on the...Fulton Co.): ļ creek bedsļ¾Diamond; ļ the Laurel Creek Mineļ¾Aquamarine, Beryl, red Corundum. COBB COUNTY BELMONT...ELBERT COUNTY AREA: ļ Rock Branch Church, old mica mineļ¾Beryl; ļ Harmony Church, areaļ¾ Aquamarine; ļ Broad |  | | Journal (issue) | | steadily To nearby mountains that we see. There is a mine owned by my friend And heāll be there at this roadās...clothes we don. After four hours we get there. The mine site fills us all with cheer. A rustic air-conditioned...dam without a din. The lodge is built right at the mine. Outside the lodge there points a sign. It says...www.jtsportsmansclub.com/gem.html 3-5āALBUQUERQUE, NEW MEXICO: Albuquerque Gem & Mineral Fall Show; Jay...fluorescent mineral display, kidsā Wheel of Fortune, Gem Mine, jewelry making, school field trips Fri., door prizes |  | Fischer, Lennart A., Wang, Meng, Charlier, Bernard, Namur, Olivier, Roberts, R. James, Veksler, Ilya V., Cawthorn, R. Grant, Holtz, FranƧois (2016) Immiscible iron- and silica-rich liquids in the Upper Zone of the Bushveld Complex. Earth and Planetary Science Letters, 443. 108-117 doi:10.1016/j.epsl.2016.03.016 | Journal (article/letter/editorial) | | ore-forming processes. In this study, we present new geochemical data for apatite-hosted multiphase inclusions...and 2 mm. Olivines from sample BK1-1094 have a forsterite (Fo = molar 100 ā [Mg/(Mg + Fe)]; with Mg and...or anorthoclase composition. Olivines have a forsterite content lower than Fo35 but rarely occur as pure...stratigraphic trends in the western limb (Fig. 1), the northern limb (Ashwal et al., 2005) and the eastern limb...Bushveld Northern Lobe: continuous geophysical and mineralogical data from the 2950 m Bellevue drillcore |  | | Journal (issue) | | about diamonds, Every day, there are new millionaires and new businesses. Asians are very investment-conscious... Fall 2011 Volume 47, No. 3 Ā® EDITORIAL 181 New Beginnings Jan Iverson FEATURE ARTICLES 182 Carat...from the Tan HuongāTruc Lau Area, Yen Bai Province, Northern Vietnam Nguyen Ngoc Khoi, Chakkaphan Sutthirat...suitable for cabochons, including star ruby. NOTES & NEW TECHNIQUES pg.182 196 Infrared Spectroscopy of...Abduriyim Tokyo, Japan Emmanuel Fritsch Nantes, France Robert E. Kane Helena, Montana Kenneth Scarratt |
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