 | | Journal (article/letter/editorial) | | Table 1. Sample localities Sample No. Locality Mt. Mica Bennett-19 Bennett-82 Bennett-R 12 BMT-2 BMT-5 BMT-46...143245 NMNH 88530-2 NMNH 105542 NMNH 166805 Tanco PC-1 Tanco PC-2 NMNH 97635 NMNH 96012 NMNH 144860 NMNH...117294 NMNH 128243 NMNH 128244 NMNH 128244 Mt, Mica, Paris, Maine Bennett quarry, Buckfield, Maine Bennett...Auburn, Maine Greenlaw quarry, Auburn, Maine Chandler mine, Raymond, New Hampshire White Rocks, Middletown...MexicoSan Diego mine, Mesa Grande, California Stewart mine, Pala, California Stewart mine, Pala, California |  | | Report (issue) | | Energy, Mines and Resources Canada E:nergie, Mines et Ressourees Canada Canada THE ENERGY OF OUR RESOURCES...Gypsum (selenite) - Red River Floodway, Winnipeg, Manitoba. Specimen measures 7 cm from left to right. National...no. 17206. GSC 204971-1 Geological Survey of Canada Miscellaneous Report 49 ROCKS AND MINERALS FOR... © Minister of Supply and Services Canada 1991 Available in Canada through authorized bookstore agents...bookstores or by mail from Canada Communication Group - Publishing Ottawa, Canada KIA OS9 and from. Geological |  | | Journal (article/letter/editorial) | | amphibolitic wallrocks around the Tanco rare-elementpegmatite,Bernic Lake, Manitoba Gnoncn B. MonclN VI, D.lvro...A. Abstract Amphibolitic wallrocks around the Tanco rare-elementpegmatite record three episodes of ...alteration, the most pervasive type of alteration around Tanco, occurred throughout the entire episodeof wallrock...and knowledge, this ation. The Tanco pegmatite deposit near Bernic Lake, study provides the most complete...systematically alteration aureolesin three dimensions. Tanco is unusu- relating wallrock alteration to internal |  | | Journal (article/letter/editorial) | | Association of Canada Short Course Handbook, Vol. 8. Mineralogical Association of Canada (M.A.C.), Winnipeg...Museum, 100 Queen's Park, Toronto, Ont. M5S 2C6, Canada). In a preface the editor points out the lack of...feldspars" by R.F. Martin (pp. 41--62) and "The mica group" by F.C. Hawthorne and P. C~rn:~ (pp. 63--98)...include information on idealized formulae, space group, cell parameters, crystal chemistry, physical and..."Ore processing at Tantalum Mining Corporation" [Tanco pegmatite] by R.O. Burt, J. Flemming and D.L. Trueman |  | | Journal (article/letter/editorial) | | Geological Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada ABSTRACT The mode of occurrence...collected from the Red Cross Lake rare-element pegmatites in north-central Manitoba, are described here. All...from the rare-element pegmatites at Red Cross Lake, Manitoba, that clearly indicate the existence of five...five new Rb- and Cs-dominant minerals in the mica group. These micas occur in the very thin outer parts...Archean rare-element granitic pegmatites at Red Cross Lake, first reported as Rb-rich by Jambor and Potter |  | | Report (issue) | | ver sion 1.2 Crystal Data: Monoclinic. Point Group: 2=m or m (1M). Tabular to prismatic pseudohexagonal...554{1.587 2V(meas.) = 0± {58± Cell Data: Space Group: C2=m (1M). ¯ = 100:77(4)± Z = 2 a = 5.209(2) ...2.36 0.84 3.11 0.01 100.08 100.41 (1) Stewart mine, Pala, California, USA; TiO2 trace; corresponds...Series: Mineral Group: 1M, 2M2 ; 3A polytypes common; 2M1 ; 3M2 rare; a group name. Mica group. Occurrence:...Skellefteº a, VÄasterbotten, Sweden. In the USA, at Mt. Mica, near Paris, Oxford Co., and Auburn, Androscoggin |  | | Book | | © 2011 Royal Ontario Museum, Toronto, Ontario, Canada. All rights reserved. No part of this publication...Cataloging-in-Publication Data (U.S.) Library and Archives Canada Cataloguing in Publication Tait, Kimberly. Tait...States by Firefly Books (U.S.) Inc. Published in Canada by Firefly Books Ltd. PO. Box 1338, Ellicott Station...at the Royal Ontario Museum, Toronto, Ontario, Canada. Photography: Brian Boyle, MPA, FPPO, and Miguel...Miguel Hortiguela, LPPO Illustrations: Crowle Art Group Printed in China The publisher gratefully acknowledges |  | Černý, P., Chapman, R., Staně, J., Nová, M., Baadsgaard, H., Rieder, M., Kavalová, M., Ottolini, L. (1995) Geochemical and structural evolution of micas in the Rožná and Dobrá Voda pegmatites, Czech Republic. Mineralogy and Petrology, 55 (1) 177-201 doi:10.1007/bf01162587 | Journal (article/letter/editorial) | | of Geological Sciences, University of Manitoba, Winnipeg, Canada 2Department of Mineralogy, Petrology...Geology, University of Alberta, Edmonton, Alberta, Canada 4Institute of Geological Sciences, Charles University...increasing/zHF is indicated during the progress of mica crystallization, culminating in precipitation of...growth feature, or their combination. Throughout the mica crystallization, Rb/Cs decreases but K/Rb becomes...Ro~n/~, but it also contains a broad spectrum of mica types. To date, only a few data were published on |  | | Journal (article/letter/editorial) | | to their mean abundance in the respective mica variety. Mica/melt partition coefficients calculated for...partitioning is strongly dependent on the position of the mica in the PASP system, which has to be considered in...concentration ranges are poorly known for some of the mica varieties, as they are for particular host rocks... analysis, partition coef cients. Introduction MICA minerals belong to the most important OH-bearing...were reported which preclude identi cation of the mica variety. This paper provides a reconnaissance evaluation |  | Wise, Michael A., Harmon, Russell S., Curry, Adam, Jennings, Morgan, Grimac, Zach, Khashchevskaya, Daria (2022) Handheld LIBS for Li Exploration: An Example from the Carolina Tin-Spodumene Belt, USA. Minerals, 12 (1) 77 doi:10.3390/min12010077 | Journal (article/letter/editorial) | | facies of (i) fine-grained biotite granite, (ii) two-mica granites, (iii) coarsegrained pegmatitic leucogranites...rare-element mineralization that includes beryl, columbite-group minerals, the compositionally complex borosilicate...garnet (~0.007–2.0), Nb/Ta (~0.001–24) in columbite-group minerals, and Zr/Hf (~0.01–13) in zircon are encountered...19]. tectonicThe movement minous The 2-mica Cherryville 2-mica graniteCherryville lies just west of the...columbite-group zircon, Mn-bearing fluorapatite, triphylite, andtriphylite, columbite-group minerals [28 |  | | Journal (article/letter/editorial) | | 3450 University Street, Montreal, Quebec H3A 2A7, Canada WILLIAM H. BLACKBURN 2-1025 Brough Avenue, London...Geology and Principal, McGill University, Montreal, Canada, investigator of the Grenville Province and the...dyke, Mont Saint-Hilaire, Rouville County, Quebec, Canada. Grice, J.D. et al. (2000): Can. Mineral. 38, 1457...of secondary minerals at the Spring Creek copper mine, on the flank of Mount Remarkable, near Wilmington...hexagonal, P63/mmc A member of the Magnetoplumbite group. The name reflects the main elements present and |  | | Book | | of primary copper are in the Keweenaw Peninsular. Lake Superior, USA, the largest being 15 x 7 x 3m (approx...Crystals up to 140mm (5'A in) long occurred in the Ray mine and in Bisbce, Arizona, USA. Very fine spincl-law...the basalt cavities in the Keweenaw Peninsula near Lake Superior, Michigan, USA. Wires, up to 100 mm (4...(4 in) long, come also from the San Gcnaro Mine in Huancavclica and Uchucchaqua, Peru. New finds of silver...many localities in California, USA (Colorado Quartz mine. Nigger Hill and others). Fine leaf gold comes from |  | | Journal (article/letter/editorial) | | pegmatites. INTRODUCTION Minerals of the tourmaline group are by far the most widespread borosilicate phases...X-ray diffraction studies, boron in tourmaline group minerals occurs exclusively at a single site, coordinated...few prior 11 B NMR investigations of tourmaline group minerals, no evidence of tetrahedral boron was detected...(kornerupine group, boralsilite) or a distinctive geochemical environment (axinite group in most cases...499 0.484 0.293 0.651 0.615 *Localities: Himalaya Mine, California (SS4); Black Mountain, Maine (SS13); |  | Lepore, G. O., Bindi, L., Di Benedetto, F., Mugnaioli, E., Viti, C., Zanetti, A., Ciriotti, M. E., Bonazzi, P. (2017) A multimethodic approach for the characterization of manganiceladonite, a new member of the celadonite family from Cerchiara mine, Eastern Liguria, Italy. Mineralogical Magazine, 81 (1) 167-173 doi:10.1180/minmag.2016.080.087 | Journal (article/letter/editorial) | | new member of the celadonite family from Cerchiara mine, Eastern Liguria, Italy G. O. LEPORE1,*, L. BINDI1...Cerchiara mine, Eastern Liguria (Italy), a new Mn-bearing mineral belonging to the mica group has been...studies confirm that the mineral belongs to the mica group. Unit-cell parameters from the powder diffraction...915(1), c = 10.304(1) Å, β = 102.03(1)°, space group C2 or C2/m. On the basis of the electron paramagnetic...Cerchiara mine, Eastern Liguria, Italy. Introduction HIGH concentrations of Mn in the mica-group minerals |  | | Catalog/List | | Greenish, sparse, acicular micros in Penberthy Croft Mine, St 1cm £4 s AGARDITE Y Ca Cu As_O_O_H_____c_a_v_iti_e'-s-'in'-'-...Excellent pure fawn cleavages. Kipawa River Quebec Canada lxl £3 lx2 £6 2x2 £12 68 NaCaSiOF Pure black-brown...215 69 3 11 Rich white crusts on matrix. Rawhide Mine, Mohave ½x½£3 _P_b_S_iO_13 _ _ _ _ _ _ _ _ _ _ _...Hornblende ALLANITE Black areas in actinolite Bastnas Mine Sweden lxl £1.20 CeYFeSiO Quite attractive blue-grey...£4 garnet group Crystal 1 inch across Grey veins in and on matrix, some with Fallowfield mine, Ix½ ALSTONITE |  | Breiter, Karel, Vaňková, Michaela, Galiová, Michaela Vašinová, Korbelová, Zuzana, Kanický, Viktor (2017) Lithium and trace-element concentrations in trioctahedral micas from granites of different geochemical types measured via laser ablation ICP-MS. Mineralogical Magazine, 81 (1) 15-33 doi:10.1180/minmag.2016.080.137 | Journal (article/letter/editorial) | | Li3Si1□–1Fe–2Al–1. K E Y WO R D S : trioctahedral micas, Li-mica, rare-metal granite, Bohemian Massif, laser ablation...etc. Therefore, unsurprisingly, the literature on mica is extensive and focuses on different aspects of...by Stone et al. (1988), Henderson et al. (1989), du Bray (1994), Van Lichtervelde et al. (2008), Li et...effects of alteration and orebearing processes on mica composition has been studied mainly by Charoy et...proposed equations to estimate Li concentrations in mica, which cannot be determined via electron microprobe |  | | Journal (article/letter/editorial) | | wallrockcontamination, replacementof early micro&e by lithian mica duringdifhxentiationof the pegmatite,and possiblyrapid...possiblyrapid,disequilibriumcrystallization.Strongzoning of mica and tourmaline crystalsreikxts disequilibriumconditions...context refers to fine-grained, lavender to purple mica; lithium contents are presented in a later section...central part of the dike have been mined out. Eight mica samples were analyzed by X-ray powder diffraction...individual crystal zoning or alteration rims are present. Mica compositions plotted in terms of Li vs. Si per formula |  | | Book | | of primary copper are in the Keweenaw Peninsular, Lake Superior, USA, the largest being I 5 x 7 x 3m (approx...Crystals up to 140mm (5½ in) long occurred in the Ray mine and in Bisbee, Arizona, USA. Very fine spinel-law...the basalt cavities in the Keweenaw Peninsula near Lake Superior, Michigan, USA. Wires, up to 100 mm (4...(4 in) long, come also from the San Genaro Mine in Huancavelica and Uchucchaqua, Peru. New finds of silver...Dorado, California, US.A. Gold, 68 mm, Eagle's Nest Mine, California, US.A. Gold gold on it. Typical aggregates |  | Foord, Eugene E., Martin, Robert F., Fitzpatrick, Joan J., Taggart, Joseph E., Jr.,, Crock, James G. (1991) Boromuscovite, a new member of the mica group, from the Little Three mine pegmatite, Ramona district, San Diego County, California. American Mineralogist, 76 (11-12) 1998-2002 | Journal (article/letter/editorial) | | Boromuscovite,a new member of the mica group, from the Little Three mine pegmatite,Ramonadistrict San Diego...3450 University Street,Montreal, Quebec }J3A2A7, Canada Jo.c.NJ. Frrzparnrcr U.S. Geological Survey, M...Bodies of granitic pegmatiteon the Little Three mine property have been the subject of study since their...and 0003-004x/9l/ l I I 2-l 998$02.00 topaz, the mine owner, Louis B. Spaulding,Jr., uncovered a zoneofpocket...1998 t999 FOORD ET AL.: BOROMUSCOVITE, A NEw MICA Fig. l. SEM photograph of boromuscovite from the |  | London, D., Morgan, G. B., Paul, K. A., Guttery, B. M. (2012) Internal Evolution of Miarolitic Granitic Pegmatites at the Little Three Mine, Ramona, California, USA. The Canadian Mineralogist, 50 (4) 1025-1054 doi:10.3749/canmin.50.4.1025 | Journal (article/letter/editorial) | | MIAROLITIC GRANITIC PEGMATITES AT THE LITTLE THREE MINE, RAMONA, CALIFORNIA, USA David LONDON§, George B...Miarolitic granitic pegmatites at the Little Three mine property near Ramona, San Diego County, California... cooling history, field diffusion, Little Three mine, Ramona, California. Introduction The coarse grain-size...of a complete dike section from the Little Three mine, Ramona, California, USA, to derive the modal mineralogy... Background The pegmatites of the Little Three mine are located within the Ramona pegmatite district |  | | Report (issue) | | MINERALS FOR THE COLLECTOR Geological Survey of Canada Miscellaneous Report 48 Ottawa to North Bay and...Natural Resources Canada Ressources naturelles Canada Geological Survey of Canada Miscellaneous Report...Queen in Right of Canada 2007 Catalogue No. M41-8/48E ISBN 0-660-19556-9 Available in Canada from the Geological...Geological Survey of Canada Bookstore (see inside front cover for details) A copy of this publication is...available for reference by depository libraries across Canada through access to the Depository Services Program's |  | | Journal (article/letter/editorial) | | however, they are valid only for a limited range of mica compositions (i.e. Li-rich, Mg-poor varieties)....environment in which the mica was formed. It is necessary to distinguish a 'normal group', which comprises micas...rocks and most metamorphic rocks, a 'low Li-Mg group', to which belong Fe-rich micas from non-alkaline...non-alkaline rocks of A-type affinity, and a 'high Li-Mg group' which includes micas from either peraluminous or...wall rocks supplied additional magnesium to the mica-forming environment. We offer empirical expressions |  | | Journal (article/letter/editorial) | | distribution of fluorine among topaz and coexisting mica; and iii) chemical zoning within single grains of...partitioning of fluorine into topaz rather than coexisting mica, ro whereas transitional magmatic-hydrothermal/hydrothermal...as dumortierite-topaz (15.65–18.78 wt.% F)-white mica rocks from the peraluminous metamorphic suite of...compositions and origins of topaz and coexisting ro mica, crystallization sequence of the observed minerals...2015); (B) Phenocrysts of topaz, K-feldspar and mica in a quartz-feldspar-topaz groundmass, within ongonite |  | | Journal (article/letter/editorial) | | Pegmatites in the Southwestern Grenville Province, Canada D. Lentz Ottawa-Carleton Geoscience Centre, University...University of Ottawa, Ottawa, Ontario, Canada With 9 Figures Received November 22, 1991; accepted May 29...Metasedimentary Belt (CMB) of the Grenville Province, Canada (Fig. 1). Early- to late-tectonic pegmatites also...Central Metasedimentary Belt Boundary Zone; RL Rideau Lake fault, C-CMZ Colton-Carthage Mylonite Zone; LSZ...133 McQuire U pegmatite; 134 Pieds des Monts; 135 Lake St. Peter euxenite-bearing pegmatite Biotite, the |  | | Journal (article/letter/editorial) | | The most common true K micas (94% of almost 6750 mica analyses) belong to three dominant solid-solution...is a mica with Mg6Li >0.7 a.p.f.u., or, for transitional stages, 0.3 0.7 a.p.f.u. Some true K mica end-members...analysis of composition and solid solution in the mica group, comprising trioctahedral and dioctahedral, common...presentation adopted, follow the recommendations of the Mica Sub-committee of the International Mineralogical...elements, leading to a large and diverse mineral group. The compositional diversity of micas has led to |
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