 | | Journal (article/letter/editorial) | | MINERALOGY AND GEOCHEMISTRY OF PEGMATITES ON MOUNT BEGBIE, BRITISH COLUMBIA Andrea DIXON§, Jan CEMPÍREK, and Lee...University of British Columbia, 2207 Main Mall, Vancouver, British Columbia V6T 1Z4, Canada Abstract The...pegmatite group on the northern slope of Mount Begbie, near Revelstoke, B.C., comprises more than 50 relatively...presence of hübnerite and qitianlingite in the Mount Begbie pegmatite group are unusual compared to rare...qitianlingite, Mount Begbie, Thor-Odin Culmination, British Columbia, Canada Introduction Mount Begbie is located |  | | Book | | * GEOLOGICAL ASSOCIATION OF CANADA MINERALOGICAL ASSOCIATION OF CANADA CANADIAN GEOPHYSICAL UNION m...Cook GEOLOGICAL ASSOCIATION OF CANADA MINERALOGICAL ASSOCIATION OF CANADA CANADIAN GEOPHYSICAL UNION *>...*> ****** ©Geological Association of Canada Printed in Canada This publication is available by mail...the Geological Survey of Canada: Editors: R. I. Thompson; Cordilleran Division, Vancouver, B.C. D. G....Petroleum Geology, Calgary, Alberta. Cover photo Mount Yamnuska: N. C. Ollerenshaw; Institute of Sedimentary |  | | Journal (article/letter/editorial) | | orthoamphibole-cordierite gneiss: Thor-Odin dome, British Columbia, Canada Eric T. Goergen • Donna L. Whitney Received:...orthoamphibole-cordierite gneiss Thor-Odin dome (British Columbia, Canada) reduced the EBC volume of the rock during...focus on the Thor-Odin gneiss dome in British Columbia, Canada (Fig. 1), because it preserves a compositionally...metamorphism The Thor-Odin gneiss dome, south-central British Columbia, is one of the several N–S elongate migmatite...Belt Thor-Odin Figure 2 Shuswap MCC Valhalla CANADA USA Coast Belt 48° 122° Petrology and mineral |  | | Journal (article/letter/editorial) | | (H/F = 64-75%) coexisting with montebrasite, K-feldspar and cassiterite in the latest generation of intragranitic...cm width. It is mostly associated with quartz, K-feldspar and montebrasite, with quartz and montebrasite...the AMD. In contrast to intragranitic veins, K-feldspar is absent. Wolframite crystals can be homogeneous...“pegmatitic vein swarms”, mainly composed of quartz, feldspar and other accessory minerals, contain wolframites...fluids as an oxyanion, WO42–, complexed with Na+, K+, or H+ (Wood and Samson, 2000; Heinrich, 1990). Substitution |  | | Journal (article/letter/editorial) | | Inc., 44 12th Ave S #200, Cranbrook, British Columbia V1C 2R7, Canada TÂNIA MARTINS§ Manitoba Geological...360-1395 Ellice Avenue, Winnipeg, Manitoba R3G 3P2, Canada PETR ČERNÝ Department of Geological Sciences...Road, Winnipeg, Manitoba R3T 2N2, Canada ABSTRACT The alkali-feldspar paragenetic sequence in the Tanco...includes several different K-feldspar and albite varieties. Total feldspar modal abundance approaches...approaches 50% for the entire pegmatite volume. Blocky K-feldspar, aplitic albite, and albite of the cleavelandite |  | Guastoni, A., Pennacchioni, G., Pozzi, G., Fioretti, A.M., Walter, J.M. (2014) TERTIARY PEGMATITE DIKES OF THE CENTRAL ALPS. The Canadian Mineralogist, 52 (2) 191-219 doi:10.3749/canmin.52.2.191 | Journal (article/letter/editorial) | | show a simple mineral assemblage consisting of K-feldspar, quartz, and muscovite ± biotite, and only a...elbaite, triplite, pink-beryl, and Cs-Rb-rich feldspar. In the Bodengo area pegmatites locally contain...late, but still syntectonic. Available Rb-Sr and K-Ar ages provide some chronological and temperature...from magmatic conditions at 28–32 Ma to ca. 300 °C (K-Ar of muscovite and Rb-Sr of biotite) at ca. 21 Ma... at T > 300 °C. This is also consistent with the K-Ar illite age of 19 Ma obtained from a brittle Riedel |  | | Journal (article/letter/editorial) | | minerals. If not, we consider temperatures from two-feldspar thermometry, accessory mineral-saturation thermometry...2015); (B) Phenocrysts of topaz, K-feldspar and mica in a quartz-feldspar-topaz groundmass, within ongonite...Nash, 1991); (D) Phenocrysts of quartz, alkali feldspar, and topaz in the rhyolite dikes from Eurajoki...Republic (Jarchovský, 2006). K-feldspar and albite are enclosed by topaz; (K) Topaz from the Podlesí granite...quartz (Soufi et al., 2018). (A), (B), (F), (G), (K) Plane-polarized light; (C), (D), (E), (H), (I), (J) |  | Gadas, Petr, Novák, Milan, Szuszkiewicz, Adam, Szełęg, Eligiusz, Vašinová Galiová, Michaela, Haifler, Jakub (2016) Manganoan Na,Be,Li-rich Sekaninaite From Miarolitic Pegmatite At Zimnik, Strzegom-Sobótka Massif, Sudetes, Poland. The Canadian Mineralogist, 54 (4) 971-987 doi:10.3749/canmin.1600024 | Journal (article/letter/editorial) | | fine-grained mixture of muscovite, chlorite, minor K-feldspar, albite, calcite, and rare secondary beryl; (2)...chemical composition with the general formula Ch(Na,K,Cs,Ca)0–1VI(Mg,Fe2þ,Mn,Li)2IVAl3 Corresponding author...with rich mineral assemblages (Janeczek 1985, 2007, K örber & Szuszkiewicz 2010, Szeł˛eg & Galuskina 2010...standards and X-ray Ka lines were used: sanidine (Si, Al, K), albite (Na), pyrope (Mg), wollastonite or fluorapatite...the texture typical for CGM pseudomorphs, minor K-feldspar, albite, calcite, and rare secondary beryl (Fig |  | Ertl, Andreas, Kolitsch, Uwe, Dyar, M. Darby, Meyer, Hans-Peter, Rossman, George R., Henry, Darrell J., Prem, Markus, Ludwig, Thomas, Nasdala, Lutz, Lengauer, Christian L., Tillmanns, Ekkehart, Niedermayr, Gerhard (2016) Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities. European Journal of Mineralogy, 28 (1) 163-177 doi:10.1127/ejm/2015/0027-2501 | Journal (article/letter/editorial) | | Austria 3 Department of Geography and Geology, Mount Holyoke College, South Hadley, Massachusetts 01075...Neuenheimer Feld 236, 69120 Heidelberg, Germany 5 Division of Geological and Planetary Sciences, California...occupancies by the following most common cations: X ¼ Na; K; Ca; &ðvacancyÞ Y ¼ Mg; Fe2þ ; Mn2þ ; Al; Li; Fe3þ...Region, Japan, by Dixon et al. (2014) from British Columbia, Canada, and by Boudreaux et al. (2014) from the...small quartz veins intergrown with quartz and feldspar, and rarely grown on quartz crystals. 3.2. Grasstein |  | Xie, Lei, Wang, Zhengjun, Wang, Rucheng, Zhu, Jinchu, Che, Xudong, Gao, Jianfeng, Zhao, Xu (2018) Mineralogical constraints on the genesis of W–Nb–Ta mineralization in the Laiziling granite (Xianghualing district, south China) Ore Geology Reviews, 95. 695-712 doi:10.1016/j.oregeorev.2018.03.021 | Journal (article/letter/editorial) | | medium-grained (MG) alkali feldspar granite, fine-grained (FG) alkali feldspar granite and albite granite...the base to the top granitic phases. Both alkali feldspar granites contain oxide mineral aggregates including...Mao, 1999; Hua et al., 2003). The Xianghualing mining district is located to the south of Xianghualing...Laiziling granite consists of zinnwaldite alkali feldspar granite (Zhao et al., 2008) or biotite granite...three phases based on the varying abundance of K-feldspar and 5 albite from the lower to upper parts |  | Bosi, Ferdinando, Pezzotta, Federico, Skogby, Henrik, Altieri, Alessandra, Hålenius, Ulf, Tempesta, Gioacchino, Cempírek, Jan (2022) Princivalleite, Na(Mn2Al)Al6(Si6O18)(BO3)3(OH)3O, a new mineral species of the tourmaline supergroup from Veddasca Valley, Varese, Italy. Mineralogical Magazine, 86 (1) 78-86 doi:10.1180/mgm.2022.3 | Journal (article/letter/editorial) | | is written as: XY3Z6T6O18(BO3)3V3W, where X = Na+, K+, Ca2+, □ (= vacancy); Y = Al3+, Fe3+, Cr3+, V3+,...walls, with quartz, albitic plagioclase and minor K-feldspar. In addition to tourmaline, other accessories...fluorophlogopite (F), periclase (Mg), jadeite (Na), orthoclase (K), sphalerite (Zn), rhodonite (Mn) and metallic Cr...analyses) is given in Table 1. Titanium, V, Cr and K were below detection limits (<0.03 wt.%). Micro-laser...168 Reciprocal space range hkl –26 ≤ h ≤ 22; –27 ≤ k ≤ 26; –8 ≤ l ≤ 11 Data collection Crystal size (mm) |  | Bačík, Peter, Koděra, Peter, Uher, Pavel, Ozdín, Daniel, Jánošík, Michal (2015) Chlorine-Enriched Tourmalines In Hydrothermally Altered Diorite Porphyry From the Biely Vrch Porphyry Gold Deposit (Slovakia) The Canadian Mineralogist, 53 (4) 673-691 doi:10.3749/canmin.1500013 | Journal (article/letter/editorial) | | variably overprints earlier high-temperature K-silicate (K-feldspar, biotite, magnetite) and Ca-Na silicate...biotite-magnetite veinlets associated with Ca-Na silicate and K-silicate alteration, respectively, and several generations...potassic alteration and silicification (secondary K-feldspar, quartz, and Fe-Ti oxides), overprinted by intermediate...data from Detva-Biely Vrch. (A) Classification Ca–Na+K–X& diagram (Henry et al. 2011, modified); B–A–Fe–Mg...Total Si Al ST B* Ti Al Cr V Fe Mn Mg Zn SY+Z Ca Na K X & SX Cl O** OH** SV+W 1 &-Mg-O Tur 2 &-Mg-O Tur |  | | Journal (article/letter/editorial) | | having atomic K/Rb ratios down to 3, while the most evolved pegmatites, in Froland, have K/Rb ratios down...common component of granitic pegmatites, after feldspar and quartz (Černý & Burt 1984). Micas are important...Neiva 2013, Marchal et al. 2014). In particular the K/Rb ratio and the Li, Cs, F, Sn, and Zn contents of...biotite-hornblende gneisses. The pegmatites consist mainly of K-feldspar, plagioclase, and quartz with minor biotite,...main minerals found in the Tørdal pegmatites are K-feldspar, albite, quartz, and locally ‘‘amazonite’’ and |  | | Report (issue) | | University. All rights re served. Photo by William K. Sacco 4 By 1717 gem tourmaline was being referred...more important find of gem tourmaline was made at Mount Mica in Paris, Maine, though only small quantities...were uncovered there until the 1860s when a true mining effort was directed at the outcrop (King, 2000)...University. All rights reserved. Photography by William K. Sacco 5 For about fifty years, tourma line was...at as a possible gemstone, and German scientists K. Schmelzer and J. Ottemann published a paper ( 1 979) |  | | Journal (issue) | | THOMAS, R., BOIRON, MC., DEWAELE, S., PLESSENS, K., MUCHEZ, P. The petrogenetic significance of melt...MÜLLER, A., SZUSZKIEWICZ, A., ILNICKI, S., NEJBERT, K. Quartz chemistry of the Julianna pegmatites and their............97 POTRAFKE, A., STALDER, R., BREITER, K. OH-defects in quartz: Application to igneous bod...geochemistry of the Rau pegmatite group, Yukon Territory, Canada………..126 SIMMONS, W.B., FALSTER, A.U. Garnet layer...Archean………………………………..139 SZOPA, K., KUSIAK, M., GAWĘDA, A., BANASIK, K., CHEW, D., DUNKLEY, D.J., IIZUKA |  | | Report (issue) | | GEOLOGICAL SURVEV OF CANADA COMMISSION GEOLOGIQUE DU CANADA CATALOGUE OF CANADIAN MINERALS Revised 1980... Minister of Supply and Services Canada 1983 Available i n Canada through authorized bookstore agents...and Services Canada Hull, QuCbec, Canada K I A OS9 and from Geological Survey of Canada 601 Booth Street...Street Ottawa, Canada K 1A OE8 A deposit copy of this publication is also available for reference in public...public libraries across Canada Cat. No. M44-801 l8E Canada: $10.00 ISBN 0-660-11271-6 Other countries: |  | | Book (edition) | | emission at different temperatures from 4.2 to 300 K. In numerous cases the interpretation is confirmed...application in radiometric sorting and process control in mining industry. The Chapter 9 shortly describes laser-based... . . . . . . . . . . . . . 4.10.16 Nepheline (Na,K)(AlSi)2O4 . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . 4.11.5 Delhayelite (Na,K)10Ca5Al6Si32O80(Cl2,F2,SO4)3• 18(H2O) . . . . . .... . . . . . . 8.2.2 Challenges in Laboratory to Mining . . . . . . . . . . . . . . 8.3 Selected Industrial |
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