 | | Journal (article/letter/editorial) | | RAYMOND McDOUGALL Figure 1. White pines tower over the highlands of the Bancroft area, Ontario. PO...the Bancroft area were in the east, in Renfrew County. Beginning in the late 1870s, apatite workings...By about 1900, the corundum deposits of Renfrew County were in production, and the first mineral deposits...minerals in the Bancroft area for forty years. County. During this time, significant uranium mines were...was the Faraday (Madawaska) mine near Bancroft (operated as the Faraday mine from 1954 to 1964 and again |  | Holtstam, Dan, CĂĄmara, Fernando, Skogby, Henrik, Karlsson, Andreas, Langhof, Jörgen (2019) Description and recognition of potassic-richterite, an amphibole supergroup mineral from the Pajsberg ore field, VĂ€rmland, Sweden. Mineralogy and Petrology, 113 (1) 7-16 doi:10.1007/s00710-018-0623-6 | Journal (article/letter/editorial) | | and recognition of potassic-richterite, an amphibole supergroup mineral from the Pajsberg ore field, VĂ€rmland... is recognized as a valid member of the amphibole supergroup (IMACNMNC 2017â102). Type material is from...fugacities. Keywords Potassic-richterite . Amphibole supergroup . Crystal structure . Skarn . Pajsberg ...[A]K+], is not a new mineral in the sense that amphibole of this composition never has been reported before;...Mangiagalli 34, 20133 Milan, Italy dominant amphibole varieties in what is now defined as the richterite |  | | Journal (issue) | | v/Dec2023 1. 98, No.6 - - - - - - - - ROCKS & MINE $12.95US $12.95CAN IIUJ ., . vww.tandfonlirie...tandfonlirie .com/vram MIM MUSEUM Vesuvianite Jeffrey Mine. Val-des-Sources. Les Sources RCM, Es t rie, Quebec...I. Jacobson, Denver, CO Anthony R. Kampf, L.A. County Museum of Natural History, CA Virgil W. Lueth...across a local area network. Subscription offices: USA/North America: Taylor & Francis Group, LLC, 530 Walnut...Copyright Clearance Center (www.copyright.com) in the USA or the Copyright Licensing Agency (www. cla.co.uk) |  | | Journal (article/letter/editorial) | | including the pyrochlore supergroup (Atencio et al. 2010), the tourmaline supergroup (Henry et al. 2011),... the amphibole supergroup (Hawthorne et al. 2012), the garnet supergroup (Grew et al. 2013), and the...the perovskite supergroup (Mitchell et al. 2017). In addition, even if information on compositional ranges...subaerial geothermal minerals 53 13 1 15. Black/white smoker minerals; seafloor hydrothermal minerals...544 10 8 54. Coal and other mine fire minerals 212 9 4 55. Anthropogenic mine minerals 234 13 4 56. Slag |  | | Journal (issue) | | Editor SHAWN STIGSELL Graphic Design JIM BRACE-THOMPSON MARC DAVIS RUSS KANIUTH BOB RUSH HELEN SERRAS-HERMAN...about the Polka Dot Mine in Central Oregon, information about connecting with the mine via Facebook was...Creede, Colorado. Although Creedeâs last producing mine closed 35 years ago, its mining and mineral heritage...include a historic mining district with an underground-mine tour and an underground mining museum, collecting...unusually beautiful metal ore. Combine all this with mine-drilling contests and an underground rockand-mineral |  | | Journal (article/letter/editorial) | | Metamorphic Suite of northwestern North Carolina, USA Loren A. Raymond, Arthur Merschat & R. Kelly Vance...Metamorphic Suite of northwestern North Carolina, USA, International Geology Review, 58:7, 874-912, DOI:...Metamorphic Suite of northwestern North Carolina, USA Loren A. Raymonda, Arthur Merschatb and R. Kelly... NC, USA; bUS Geological Survey, Reston, VA, USA; cDepartment of Geology and Geography, Georgia Southern...Southern University, Statesboro, GA, USA ABSTRACT ARTICLE HISTORY Metaultramafic rocks (MUR) in the Ashe |  | Bosi, Ferdinando, Naitza, Stefano, Secchi, Francesco, Conte, Aida M., Cuccuru, Stefano, Andreozzi, Giovanni B., Skogby, Henrik, HĂ„lenius, Ulf (2019) Petrogenetic controls on the origin of tourmalinite veins from Mandrolisai igneous massif (central Sardinia, Italy): Insights from tourmaline crystal chemistry. Lithos, 342. 333-344 doi:10.1016/j.lithos.2019.05.042 | Journal (article/letter/editorial) | | pluton is almost entirely composed of RI biotite amphibole granodiorites, intruded northwestward by leucogranitic...well-developed (up to 1cm), twinned and zoned calcic amphibole coupled with oscillatory zoned 5 ACCEPTED MANUSCRIPT...followed by dark mica, K-feldspar and quartz. Amphibole composition, reported in Table S1 of the Supplementary...Late-stage mineral phases consist of small euhedral amphibole grains NU associated with dark mica and small...contacts with the host rock, by thin (1-2 cm), white bands made of quartz and feldspar (both K-feldspar |  | | Journal (article/letter/editorial) | | of these minerals. In this study, 12 natural amphibole samples spanning a range of 10 compositions were...slabs into overlaying mantle may originate from amphibole dehydration (Schmidt and Poli 1998). The accommodation...formula. The W site hosts OHâ or halogens. The amphibole family is divided into two symmetries (monoclinic...orthorhombic) and five structures (C2/m, P21/m, P2/a, THOMPSON ET AL.: HYDROXYL IN AMPHIBOLES AT HIGH PRESSURE...al. 2003; Jahn et al. 2012). The wide range of amphibole compositions in this study was chosen to investigate |  | | Journal (article/letter/editorial) | | and NWA 5790: Insights from terrestrial chloro-amphibole Paul A. GIESTING1* and Justin FILIBERTO2 1 Department...37996â1410, USA 2 Department of Geology, Southern Illinois University, Carbondale, Illinois 62901, USA * Corresponding...NWA 5790. It is some of the most chlorine-rich amphibole ever analyzed. In this article, we evaluate what...chlorine-dominant amphibole (chloro-amphibole) forms and apply these insights to the nakhlites. Chloro-amphibole is...augite-hosted melt inclusions that bear extremely Cl-rich amphibole, mostly 1.4â1.8 atoms per formula unit (apfu; |  | Della Ventura, Giancarlo, Vigliaturo, Ruggero, GierĂ©, Reto, Pollastri, Simone, Gualtieri, Alessandro, Iezzi, Gianluca (2018) Infra Red Spectroscopy of the Regulated Asbestos Amphiboles. Minerals, 8 (9). 413pp. doi:10.3390/min8090413 | Journal (article/letter/editorial) | | Street, Hayden Hall, Philadelphia, PA 19104-6316, USA; ruggero.vigliaturo@gmail.com (R.V.); giere@sas.upenn...University of Pennsylvania, Philadelphia, PA 19104, USA CERIC-ERIC, ss 14, Km 163.5, Basovizza, I-34149 Trieste...well-characterized samples of the five regulated amphibole species: anthophyllite, amosite, and crocidolite...regulated as asbestos minerals: five species of the amphibole group, and chrysotile, which belongs to the serpentine...and legal issues arising from exposure to the amphibole fibers [11,12]. Another critical aspect concerns |  | Narduzzi, F., Farina, F., Stevens, G., Lana, C., Nalini, H.A. (2017) Magmatic garnet in the Cordilleran-type GalilĂ©ia granitoids of the AraçuaĂ belt (Brazil): Evidence for crystallization in the lower crust. Lithos, 282. 82-97 doi:10.1016/j.lithos.2017.02.017 | Journal (article/letter/editorial) | | indicate that garnet, epidote, biotite as well as white mica crystals (low-Si phengite), are magmatic. There...coexistence of grossular-rich IP garnet, epidote and white mica are consistent with magma crystallization at...and Ringwood, 1968, Schmidt, 1993; Schmidt and Thompson, 1996) on metaluminous andesitic and tonalitic...Schmidt, 1993; Schmidt and Poli, 2004; Schmidt and Thompson, 1996; Zen and T Hammarstrom, 1984a, b). More...of NU the magma (â„ 10 wt% of H2O)(Schmidt and Thompson, 1996). Experimental evidence (Holdaway, 1972; |  | | Journal (article/letter/editorial) | | pages 55â68, 2018 Chlorine incorporation into amphibole and biotite in high-grade iron-formations: Interplay...1 Abstract Minor amounts of markedly Cl-rich amphibole and biotite are found in the Archean (2.8â2.9...~775â800 °C and 6â8 kbar. The metamorphic Cl-rich amphibole and biotite are prograde and occur as inclusions...into amphibole and biotite is more likely where Cl-bearing anion sites are enlarged. In amphibole threshold...brine-CO2 immiscibility during peak metamorphism. In amphibole once the threshold values for significant Cl incorporation |  | | Journal (article/letter/editorial) | | modified even in large garnets (Caddick, Konopasek, & Thompson, 2010). However, there are examples of garnets... Petrakakis, & Rhede, 2007) and in the Moine Supergroup of Scotland garnet preserves up to three distinct...(1988). The thermodynamics of garnet solutions and white mica follow the models of Berman (1988) and Keller...chlorite, Accepted Article biotite, epidote, and amphibole. The models consider the composition space K2...subordinate epidote, quartz, titanite, rutile, rare amphibole, and Fe-sulphide. The Ph- and Chl-rich rocks are |  | Filippi, Marco, Zanoni, Davide, Lardeaux, Jean-Marc, Spalla, Maria Iole, Gosso, Guido (2020) Evidence of Tethyan continental break-up and Alpine collision in the Argentera-Mercantour Massif, Western Alps. Lithos, 372. 105653pp. doi:10.1016/j.lithos.2020.105653 | Journal (article/letter/editorial) | | thermobarometric -p estimates on newly-formed white mica and chlorite in Permian-Mesozoic sedimentary...2002), with sub- lP millimetric to millimetric amphibole phenocrysts into a cryptocrystalline to very-fine...coarse-grained, locally pegmatitic, aggregates of Jo ur amphibole, plagioclase, minor K-feldspar, and rare quartz...fine-grained phaneritic rock characterized by amphibole-rich domains of centimeter size enclosed within...included in a groundmass of millimeter-sized amphibole and plagioclase; fine-grained domains are alternating |  | | Journal (article/letter/editorial) | | natural philosophers (Locke 1690; Linnaeus 1758; Thompson 1910). The modern mineral classification system...wide ranges of solid solution. The tourmaline supergroup is a case in point. The IMA now recognizes at...provide a more parsimonious description of the supergroup and would facilitate a more accurate understanding...kinds into many species occurs in the complex amphibole group with more than 100 approved species (Hawthorne...HĂ„lenius, U. (2013) Nomenclature of the garnet supergroup. American Mineralogist, 98, 785â811. Grew, E |  | Pujol-SolĂ , NĂșria, Proenza, JoaquĂn A., Garcia-Casco, Antonio, GonzĂĄlez-JimĂ©nez, JosĂ© MarĂa, RomĂĄn-Alpiste, Manuel J., Garrido, Carlos J., Melgarejo, Joan Carles, Gervilla, Fernando, Llovet, Xavier (2020) Fe-Ti-Zr metasomatism in the oceanic mantle due to extreme differentiation of tholeiitic melts (Moa-Baracoa ophiolite, Cuba) Lithos, 358. 105420 doi:10.1016/j.lithos.2020.105420 | Journal (article/letter/editorial) | | Barcelona. xavier@ccit.ub.edu ABSTRACT Ti-rich amphibole, Mg-rich ilmenite, baddeleyite, zirconolite, srilankite...assemblage made up of re Fe-Ni-Cu sulfides, apatite, amphibole, and unidentified oxides of Ti, Zr, Y, Ca, Fe...recrystallized Ti- and Fe3+- rich chromite, Ti-rich amphibole, orthopyroxene, clinopyroxene, plagioclase, and...taken from the outcrops of old mine works and some were collected in the mine dumps. 3.2 Analytical techniques... clinopyroxene, orthopyroxene, olivine, -p amphibole, apatite, zircon, and baddeleyite were measured |  | | Book (edition) | | McDonald Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones...gemandmineralmuseum.arizona.edu) is located in the old Pima County Courthouse building at 115 North Church Avenue...on the market. The mines at Bisbee, in Cochise County, have produced large quantities of gem-quality...mineral stamp issued in 1992. At Morenci, in Greenlee County, gem-quality azurite was also commercially recovered...cut parallel to the grain. The Blue Ball Mine, in Gila County, has produced thousands of azurite nodules |  | | Journal (issue) | | crystals on matrix, 17.2 cm, from the NâChwaning I mine, collected in 1978. Private collection and photographer...Tucson USA Visit us at these international shows: Houston Ste. Marie Denver Munich USA France USA Germany...and Riverpark Inn Rhodochrosite, Sweet Home Mine, USA, 10 cm Photo: Malte Sickinger MARCUS BUDIL Monaco...budil-minerals.com Chrysocolla on Malachite Mashamba West Mine Democratic Republic of Congo 26 cm - Joe Budd Photo...mineral shows worldwide! Rhodochrosite - Sweet Home Mine, Colorado - 13cm | Brazilianite - Minas Gerais, |  | Ferrero, Silvio, Godard, Gaston, Palmeri, Rosaria, Wunder, Bernd, Cesare, Bernardo (2018) Partial melting of ultramafic granulites from Dronning Maud Land, Antarctica: Constraints from melt inclusions and thermodynamic modeling. American Mineralogist, 103 (4) 610-622 doi:10.2138/am-2018-6214 | Journal (article/letter/editorial) | | retrograde symplectites at contacts between garnet and amphibole. Garnet contains two generations of melt inclusions...inclusions are <30 ÎŒm in size, secondary, and contain amphibole, feldspars, and zoisite. Type 2 inclusions appear...melting degrees in the presence of biotite and amphibole as reactants. Keywords: Nanogranitoids, partial...The metavolcanic complex (Fig. 1) consists of amphibole-bearing gneisses, amphibolites, and plagiogneisses...most abundant mineral is brown-green pargasitic amphibole (AlIV â 1.9 apfu; XMg â 0.69; Table 1). Clinopyroxene |  | Grew, E. S., Locock, A. J., Mills, S. J., Galuskina, I. O., Galuskin, E. V., HĂ„lenius, U. (2013) Nomenclature of the garnet supergroup. American Mineralogist, 98 (4) 785-811 doi:10.2138/am.2013.4201 | Journal (article/letter/editorial) | | 2013 IMA Report Nomenclature of the garnet supergroup Edward S. Grew,1,* Andrew J. Locock,2 Stuart...104 05 Stockholm, Sweden 2 Abstract The garnet supergroup includes all minerals isostructural with garnet...elements occupy the four atomic sites, i.e., the supergroup includes several chemical classes. There are...approved. The general formula for the garnet supergroup minerals is {X3}[Y2](Z3)Ï12, where X, Y, and...not be used in naming minerals in the garnet supergroup. Existing names with suffixes have been replaced |  | Byrne, Kevin, Trumbull, Robert B., Lesage, Guillaume, Gleeson, Sarah A., Ryan, John, Kyser, Kurt, Lee, Robert G. (2020) Mineralogical and Isotopic Characteristics of Sodic-Calcic Alteration in the Highland Valley Copper District, British Columbia, Canada: Implications for Fluid Sources in Porphyry Cu Systems. Economic Geology, 115 (4). 841-870 doi:10.5382/econgeo.4740 | Journal (article/letter/editorial) | | K-feldsparâdestructive albite (1â20 XAn) ± fine-grained white mica ± epidote. The distribution of sodic-calcic...inventories (Seedorff et al., 2005; Sillitoe, 2010; Thompson, 2016). An understanding of the fluid types that...includes Canadaâs largest and longest-operating Cu mine (Ydon, 2007; Byrne et al., 2013). An important feature...of the alteration minerals epidote, chlorite, amphibole, feldspar, and tourmaline. Paragenetic and mineral...Rutgers University Libraries user ST Vancouver USA Kamloops Eocence rocks or Cache Creek terrane |  | | Journal (article/letter/editorial) | | by variations in abundance in plagioclase and amphibole. In some places the layers are regular and rhythmic...Plagioclase and amphibole dominate the mineralogy, with minor US clinopyroxene as relicts in amphibole, and minor...walls of the conduit. Latent heat from growth of amphibole may have facilitated equilibration by development...edge of the IPS. It is named for a small copper mine (âMina Proyect Cortaderasâ; Cortadera = Pampas-grass)...of plagioclase-rich M rock alternating with amphibole-rich rock (Fig. 3). The best examples of this |  | | Journal (article/letter/editorial) | | 2.5 GPa for glaucophane-rich amphiboles. The amphibole yields were generally high (âŒ95 wt%), though minor...present. Electron microprobe analysis of the amphibole showed that deviations from the nominal or intended...solution, both of which can drive the resultant amphibole away from endmember glaucophane. This has allowed...use the amphibole formulas and terminology proposed in the newly approved scheme for amphibole classification...(Hawthorne et JENKINS ET AL.: TREMOLITEâGLAUCOPHANE AMPHIBOLE JOIN al. 2012), i.e., A0â1B2C5T8O22W2, where |  | | Journal (article/letter/editorial) | | of indium between ferromagnesian (biotite and amphibole) minerals and felsic melts, ranges from 0.6 ±...ferromagnesian phases and given that biotite and amphibole are the primary ferromagnesian phases in felsic...significantly lower modal abundances than biotite AN or amphibole. Pyrrhotite is the only stable magmatic sulfide...concentration (ppm) of indium in a mineral (biotite or amphibole), and CIn is the concentration (ppm) of indium...Yosemite sample Y-14 from Piccoli, 1992), and amphibole seeds from the Half Dome Equigranular unit in |  | | Journal (article/letter/editorial) | | solidus. Incorporation of K2O in the most recent amphibole solution model now successfully predicts dehydration...dehydration melting by the coexistence of highâCa amphibole and silicate melt at relatively low pressures...solution in the dominant phases plagioclase, amphibole, and pyroxene. An unfortunate consequence is the...a robust test of our modelling capability. The White, Powell, and Holland (2007) melt activity model...2005; Shanks & Schwerdtner, 1991; Spray, Butler, & Thompson, 2004; Figure 1). The SIC comprises the Main Mass |
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