 | | Journal (article/letter/editorial) | | highlands of the Bancroft area, Ontario. PO Box 1924 Bancroft, Ontario, Canada K0L 1C0 mcdougallray@gmail...Ontario, Canada or more than one hundred years, mineral specimens from the Bancroft area, Ontario,... Canada, have been added to collections around the world, gracing the display cases of museums and private...Although the days of commercial mining in the Bancroft area are over, and access to localities has become more...superb specimens are still found today, and Bancroft-area minerals and their localities continue to be the |  | | 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...associated minerals, petrological context, and tectonic setting; and climate zone, local aqueous chemistry, and |  | 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 |  | Seo, Jieun, Choi, SeonâGyu, Park, JungâWoo, Whattam, Scott, Kim, Dong Woo, Ryu, InâChang, Oh, Chang Whan (2016) Geochemical and mineralogical characteristics of the Yonghwa phoscoriteâcarbonatite complex, South Korea, and genetic implications. Lithos, 262. 606-619 doi:10.1016/j.lithos.2016.08.006 | Journal (article/letter/editorial) | | mainly of olivine, apatite, magnetite, carbonates, amphibole, and phlogopite, and can be subdivided into two... complex was recently discovered in the Yonghwa area, South Korea (Fig. 1; Choi et al., 2013). It occurs...the Neoproterozoicâ Paleozoic Okcheon metamorphic belt, the Paleozoic Taebaeksan Basin, the Proterozoic...extension of the Permo-Triassic DabieâSulu orogenic belt that lies between the North China and Yangtze blocks... The fenites in the Yonghwa area are mainly composed of mica, amphibole, apatite, albite, pyrite, and |  | Ferreira, Raianny Carolini Ramos, Pinheiro, Marco AurĂ©lio Piacentini, MagalhĂŁes, Joana Reis, Novo, Tiago AmĂąncio, Schorscher, Johann Hans Daniel, Queiroga, GlĂĄucia (2020) Physical volcanology and petrogenesis of the Archean Quebra Osso komatiite flow field, Rio das Velhas greenstone belt, QuadrilĂĄtero FerrĂfero (Brazil). Lithos, 370. 105626pp. doi:10.1016/j.lithos.2020.105626 | Journal (article/letter/editorial) | | Komatiite Flow Field, Rio das Velhas Greenstone Belt, QuadrilĂĄtero FerrĂfero (Brazil) Raianny Carolini...Komatiite Flow Field, Rio das Velhas Greenstone Belt, QuadrilĂĄtero FerrĂfero (Brazil), LITHOS (2020)...Komatiite Flow Field, Rio das Velhas Greenstone Belt, QuadrilĂĄtero FerrĂfero (Brazil) Raianny Carolini...part of the 2.9-2.7 Ga Rio das Velhas greenstone belt, in the QuadrilĂĄtero FerrĂfero province, located...crustal. The bulk-rock and the mineral chemistry of amphibole, serpentine/chlorite, and chromite show enrichment |  | 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...elements (HFSE). 2. Geological setting The Mesozoic Cuban ophiolite belt, that outcrops discontinuously...al., 2006; Iturralde-Vinent et al., 2016). This belt represents slices of oceanic lithosphere obducted...bodies are grouped into the MayarĂ-Baracoa Ophiolite Belt (MBOB). This region is characterized by NE-directed |  | 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) | | Cordilleran-type GalileÌia granitoids of the AraçuaÄ±Ì belt (Brazil): Evidence for crystallisation in the lower...Cordilleran-type GalileÌia granitoids of the AraçuaÄ±Ì belt (Brazil): Evidence for crystallisation in the lower...Cordilleran-type GalilĂ©ia granitoids of the AraçuaĂ belt (Brazil): evidence for crystallisation in the lower...CordilleranI-type granites which can only form in a fore-arc setting. Key words: Grossular-rich magmatic garnet; Magmatic...and Ringwood, 1968, Schmidt, 1993; Schmidt and Thompson, 1996) on metaluminous andesitic and tonalitic |  | | Journal (article/letter/editorial) | | ranges, notably the âdominant-constituent ruleâ (Nickel and Grice 1998; Hatert and Burke 2008; Bosi et...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...544 10 8 54. Coal and other mine fire minerals 212 9 4 55. Anthropogenic mine minerals 234 13 4 56. Slag |  | 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) | | Highland Valley Copper District, British Columbia, Canada: Implications for Fluid Sources in Porphyry Cu...University of Alberta, Edmonton, Alberta T6G 2E3, Canada 2Helmholtz 3Mineral Centre Potsdam GFZ German...Columbia, Vancouver, British Columbia V6T 1Z4, Canada 4Institute 5HEG of Geological Sciences, Free...Dickson Avenue, Kelowna, British Columbia V1Y 7T2, Canada 6Department of Geological Sciences and Geological...Queenâs University, Kingston, Ontario K7L 3N6, Canada Abstract The Highland Valley Copper porphyry Cu |  | | Journal (issue) | | v/Dec2023 1. 98, No.6 - - - - - - - - ROCKS & MINE $12.95US $12.95CAN IIUJ ., . vww.tandfonlirie... Vesuvianite Jeffrey Mine. Val-des-Sources. Les Sources RCM, Es t rie, Quebec, Canada 7.5 cm tall x 6 cm...for any number of concurrent users across a local area network. Subscription offices: USA/North America:...Malcolm Southwood Melbourne, Australia Woodrow B. Thompson, Maine Geological Survey, Augusta, ME John S...and rhodochrosite, 4 cm tall, N 'Chwaning mining area, Kuruman, Kalahari manga nese field, North ern |  | 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. 2. Geological setting and tourmaline occurrence 2.1. Regional setting of Mandrolisai region...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 |  | | Journal (article/letter/editorial) | | and NWA 5790: Insights from terrestrial chloro-amphibole Paul A. GIESTING1* and Justin FILIBERTO2 1 Department...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;...which these amphibole grains formed were quite unusual. Terrestrial localities with amphibole this Cl-rich |  | | Journal (article/letter/editorial) | | Warsaw, Poland; anna.grabarczyk@uw.edu.pl Micro-area Analysis Laboratory, Polish Geological Institute-National...composition was overprinted by plagioclaseâchloriteâamphiboleâepidote assemblage. The relicts of clinopyroxene...Greenstone Belt), Australia (Pilbara Craton), and western Greenland (Iska Greenstone Belt) but also from...including an Aravalli craton with an Aravalli-Delhi Fold Belt in northwestern part of India. Minerals 2020, 10...Mountain Range of Rajasthan is an 800-km long mountain belt, with a long geological history from the Archean |  | | Journal (article/letter/editorial) | | structure of garnet porphyroblasts from the Zermatt area, Western Alps Kurt Bucher1,*, Tobias Björn Weisenberger2...Short title: Garnet porphyroblasts from the Zermatt area This article has been accepted for publication...porphyroblasts from garnet-phengite schists of the Zermatt area (Western Alps) has been successfully decoded. The...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 |  | | Journal (article/letter/editorial) | | School of Mines, Laurentian University, Sudbury, ON, Canada Correspondence Taus R. C. JĂžrgensen, Mineral Exploration...School of Mines, Laurentian University, Sudbury ON, Canada. Email: trc.joergensen@gmail.com Funding information...Natural Sciences and Engineering Research Council of Canada (CRD #381555-09 to P. Jugo, D.K.T. and C.M.L.,...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 |  | | Journal (article/letter/editorial) | | the central part of the AlpineâHimalayan orogenic belt between the Arabian and Eurasian plates, has been... NW-SE trending are: (a) the Zagros foldâthrust belt (ZFTB), (b) the Sanandaj-Sirjan zone (SSZ) and (c)...(Fig. 1) which are known as the Zagros orogenic belt of Iran (Förster et al., 1972; Jung et al., 1976;...Posht Kuhi, 1993; Alavi, 2004). The Zagros orogenic belt and the Iranian plateau preserve a noticeable record...subdivision map of Iran and the locality of the studied area (modiïŹed after Omrani et al., 2013). Berberian |  | 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) | | Padova 35131, Italy 1 Abstract In the Pan-African belt of the Dronning Maud Land, Antarctica, crystallized...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...in the area (Fig. 1). One of the best exposed areas of the central DML is the Geological setting and sample |  | 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) | | magmatic rocks are widespread in the European Variscan belt where they are insightful markers for estimating...tectono-metamorphic evolution of the southern Variscan belt, since the Alpine metamorphic overprint is mainly...1970). Magmatism in the Argentera-Mercantour ECM area lasted through the Permian, as suggested by acidic...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 |  | | Journal (article/letter/editorial) | | of indium between ferromagnesian (biotite and amphibole) minerals and felsic melts, ranges from 0.6 ±... CR Republic of Korea (30%), Japan (11%), and Canada (10%), which account for 95% of all indium produced...constraints such as host rock mineralogy, tectonic setting, and potential sources need to be evaluated. The...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 |  | | Journal (article/letter/editorial) | | (275-240 Ma) in a east-dipping AC subduction zone setting (Cochrane et al., 2014), ii) western Pangaea rifting...of the processes mentioned above. GEOLOGICAL SETTING The general view of Colombian geology accepts...°. Sn+2 foliation is not seen in the Bucaramanga area; near CE Berlin, Sn+2 axial planes are EâW trending...deepest part of the metamorphic core in the Berlin area (Figures 1 and 2b). Large leucosomes have a tabular...3d); these leucosomes are abundant in the Berlin area in the core of the ACCEPTED MANUSCRIPT dome-like |  | Yang, Dong-Guang, Sun, De-You, Gou, Jun, Hou, Xue-Gang (2018) Petrogenesis and tectonic setting of Carboniferous hornblende gabbros of the northern Great Xing'an Range, NE China: Constraints from geochronology, geochemistry, mineral chemistry, and zircon Hf isotopes. Geological Journal, 53 (5) 2084-2098 doi:10.1002/gj.3035 | Journal (article/letter/editorial) | | SPECIAL ISSUE ARTICLE Petrogenesis and tectonic setting of Carboniferous hornblende gabbros of the northern...new information on the petrogenesis and tectonic setting of a hornblende gabbro in the northern Great Xing'an...crystallization were determined using amphiboleâplagioclase and amphibole thermobarometry, which indicate that...hornblende gabbros were emplaced in an extensional setting associated with the collision of the Xing'an and..., 2010; Liu et al., The Central Asian Orogenic Belt (CAOB) is a large accretionary orogen 2011; Liu |  | Dall'Agnol, Roberto, Cunha, Ingrid Roberta Viana da, GuimarĂŁes, Fabriciana Vieira, Oliveira, Davis Carvalho de, Teixeira, Mayara Fraeda Barbosa, Feio, Gilmara Regina Lima, LamarĂŁo, Claudio Nery (2017) Mineralogy, geochemistry, and petrology of Neoarchean ferroan to magnesian granites of CarajĂĄs Province, Amazonian Craton: The origin of hydrated granites associated with charnockites. Lithos, 277. 3-32 doi:10.1016/j.lithos.2016.09.032 | Journal (article/letter/editorial) | | main mafic phases in all these granitoids are amphibole [potassian hastingsite with AC subordinate ...Province were emplaced in a collisional tectonic setting. They are syntectonic NU granites that were deformed...Neoarchean Matok Pluton of the collisional Limpopo Belt. The TE Neoarchean granites of CarajĂĄs are hydrated...granitoids. All these Neoarchean granite units have amphibole and biotite as main mafic phases, contain rare...are absent or rare and the dominant rocks have amphibole and biotite as main mafic phases. Frost and Frost |  | | Journal (article/letter/editorial) | | Partial melting due to breakdown of phengite and amphibole in retrogressed eclogite of deep Precambrian crust:...Algonquin terrane, western Grenville Province, Canada Wentao Cao, Hans-Joachim Massonne, Xiao Liang PII:...Partial melting due to breakdown of phengite and amphibole in retrogressed eclogite of deep Precambrian crust:...Algonquin terrane, western Grenville Province, Canada, Precambrian Research (2020), doi: https://doi...Partial melting due to breakdown of phengite and amphibole in 2 retrogressed eclogite of deep Precambrian |  | | 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 |  | Li, Ji-Lei, John, Timm, Gao, Jun, Klemd, Reiner, Wang, Xin-Shui (2017) Subduction channel fluidârock interaction and mass transfer: Constraints from a retrograde vein in blueschist (SW Tianshan, China) Chemical Geology, 456. 28-42 doi:10.1016/j.chemgeo.2017.03.003 | Journal (article/letter/editorial) | | PlĂŒmper et al., 2017; Taetz et al., 2016; Widmer and Thompson, 2001). However, since signiïŹcant amounts of released...Straaten et al., 2008, 2012) or hydrous minerals (amphibole, epidote etc.) in eclogite (Massonne, 2012), as...southwestern margin of the Central Asian Orogenic Belt (e.g., Jahn et al., 2000). The Akeyazi metamorphic...(ultra)high-pressure/ low-temperature [(U)HP/LT] belt, extending for at least 200 km along the South Central...Geological map of the Akeyazi (U)HP/LT metamorphic belt in SW Tianshan (NW China), modiïŹed after Li et al |
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