 | | Journal (article/letter/editorial) | | Lavas and Associated Plutonic Inclusions of Ascension Island by CHRIS HARRIS1 Dept. of Geology and Mineralogy...in revisedform 5 May 1983) INTRODUCTION Ascension Island is a large composite volcano situated at approximately...the South Atlantic Ocean (Fig. 1). The Island is 98 km2 in area and represents the uppermost portion of...March 29, 2014 ABSTRACT The lavas and pyroclastics of Ascension Island contain a suite of plutonic inclusions...trachyandesite and trachyte to comendite. Basalt sensu stricto is relatively rare and there is a scarcity |  | | Report (issue) | | Vlasovite Na2ZrSi4 O11 ° c 2001 Mineral Data Publishing, ver sion 1.2 Crystal Data: Monoclinic. Point...commonly as subrounded to irregularly shaped grains and aggregates of such grains. Twinning: Twin plane f010g...to (Na; K; Ca)2:00 Zr0:96 Si 3:91O 11 : (2) Ascension Island; corresponds to (Na; K; Ca)2:02 Zr0:97 Si...phase in nepheline syenites, syenitic pegmatites, and along the contact zone of a di®erentiated alkalic...cavities in ejected blocks of peralkalic granite (Ascension Island). Association: Eudialyte, microcline, albite |  | | Journal (article/letter/editorial) | | Earth and Planetary Science Letters, 62 (1983) 273-282 Elsevier Scientific Publishing Company, Amsterdam...The Netherlands 273 [5] Pb isotopes in Ascension Island rocks: oceanic origin for the gabbroic to...compositions and U and Pb concentrations of the lava series (alkali basalt to comendite) and of their plutonic...xenoliths (gabbro to alkaline granite) of Ascension Island are reported. The data are used to evaluate...the acidic and intermediate xenoliths together with most of the lavas on the one hand, and the gabbroic |  | | Journal (article/letter/editorial) | | concentrations of zirconium and hafnium in some igneous and metamorphic rocks and minerals Department C.... KENT BROOKS* of Geology and Minorelogy, Parks Road, Oxford (Receked 27 October 1969; accepted in revised...1969) and hafnium determinstions on 47 rocks snd miner& of wideIy different compositions and geogrephical...ratios, as were some strongly differentiated rocks and certain minerals. THIS note presents the results...results of some recent determinations of zirconium and hafnium in representative members of several contrasted |  | Jeffery, A. J., Gertisser, R., Jackson, R. A., O'Driscoll, B., Kronz, A. (2016) On the compositional variability of dalyite, K2ZrSi6O15: a new occurrence from Terceira, Azores. Mineralogical Magazine, 80 (4) 547-565 doi:10.1180/minmag.2016.080.018 | Journal (article/letter/editorial) | | JACKSON1, B. O’DRISCOLL1,2 AND A. KRONZ3 1 2 3 School of Physical and Geographical Sciences, Keele...Staffordshire ST5 5BG, UK School of Earth, Atmospheric and Environmental Sciences, The University of Manchester...the placement of substituting Hf and Ti in the octahedral site, and highlight the overall complexity...Fe, Mg and Ba. The combined dataset reveals that dalyite found within peralkaline granites and syenites...is generally defined by higher Na↔K substitution and lower Ti↔Zr substitution relative to dalyite from |  | | Book (volume) | | NORTH AMERICA ~ VOLUME olor phot raphs yo. Erica and. Harol d Van I [iL Albuquerque, Wyoming 6400 ... + GEMSTONES OF AFGHANISTAN by Gary W. Bowersox and Bonita E. Chamberlin + GEMSTONES OF NORTH AMERICA...Michael M. Scott Collection as photographed by Erica and Harold Van Pelt. Size may be estimated from the pale...measures about 25 mm (1 in.) across. TOP GROUP. Green fluorite (121.39 ct), Westmoreland, New Hampshire;...County, California, consisting of 52 benitoites and 75 diamonds set in gold. The necklace is 45 cm (18 |  | | Book | | including photocopying, scanning and computerized information storage and retrieval-without written permission...registered trade mark and may not be used without permission. Typesetting and graphic preparation by...authors and photographers contributed their work, helping to build one of the single most valuable and authoritative...published archives of data for the mineral collector and specimen-oriented mineralogist that has ever existed...the back issues has grown larger, more cumbersome and more difficult to access. We saw early on that, were |  | | Journal (issue) | | THE MINERALOGY OF M ONT SAINT-HILAIRE QUEBEC by lAszlo ho rv Ath and ROBERT A. GAULT with notes...notes by Jerry Van Velthuizen, George Y. Chao and Ronald P. Conlon 1990 The Mineralogical Record July-A...0026-4628 COVER: S erandite tw in, 12.5 cm, from M ont Saint-Hilaire. Rod T yson collection. Photo by W endell....................... 360 by Velthuizen M ont Saint-Hilaire unknow ns ............................................... 363 by G. Y. Chao, R. P. Conlon and J.Van Velthuizen Figure 1. The Poudrette quarry |  | | Journal (issue) | | Tues.-Sat. 10-5. (Closed Sun.-Mon.) photo by Harold and NOTE: P le a s e call a h e a d for ou r travel...Thomas P. Moore Niantic, CT Joe Polityka Staten Island, NY Jeffrey A. Scovil Phoenix, AZ Pierre-Nicoias...Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica Van Pelt Los Angeles, CA Founder John Sampson...circulation manager for rates.) •Libraries, Companies and Institutions (worldwide): $75 for one year. (First-class...Francis, L. C. Pitm an & D. E. Lange A d d itio n s and corrections to the G lo ssa ry o f M in era l Species | | | Book (volume) | | Keller GEMSTONES OF AFGHANISTAN by Gary W Bowersox and Bonita E. Chamberlin GEMSTONES OF NORTH AMERICA...1\il. Scocr Collection as photographed by Erica and Harold Van Pelt. Size may be estimated from the pale...measures about 25 mm (I in.) across. TOP GROUP. Green fluorite (121.39 et), Westmoreland, New Hampshire;...County, California, consisting of 52 benitoites and 75 diainonds set in gold. The necklace is 45 cm (18...et), Oregon; and three Montana sapphires, violetish blue (2 .52 et), yellow (4.17 et), and pinkish purple |  | | Catalog/List | | 214-409-1425 All information must be completed and Form Signed Client# (if known) Mr. Mrs. Ms...See HA.com for details. I have read and agree to all of the Terms and Conditions of Auction: inclusive of...limited to, podium, fax, phone and mail bids) may be submitted at any time and are treated similar to floor...up or down to the nearest full or half increment and will be considered your high bid. Current Bid......www.HA.com, find the auction you are looking for and click “View Lots” or type your desired Lot # into |  | | Book (edition) | | admiration and affection that I dedicate this edition to my co-author, teacher, mentor, colleague and friend...Glossaryof MINERAL SPECIES 2008 Malcolm E. Back and Joseph A. Mandarino The Mineralogical RecordIne...as of December I, 2007. of the names, symmetry. and chemical compositionsof mineralspecies.Synonymsand...sadness. On September 18, 2007, my Teacher, Mentor and Friend. Joe Mandarino passed away after a long battle...including the International Encyclopedia of Minerals and the next edition of the Glossary, Joe asked me if |  | | Journal (issue) | | fCfesPSat. ,10-5^(CfpSed Sun.-M on.) Photo by H a'ftld and Erica Van Pelt, Los Note: Please call ahead for...Miguel Calvo Zaragoza, Spain Joe Polityka Staten Island, NY Jeffrey A. Scovil Phoenix, AZ Pierre-Nicolas...Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica Van Pelt Los Angeles, CA September-October...circulation manager for rates.) •Libraries, Companies and Institutions (worldwide): $150 for one year. *Continued...85741. Periodicals postage paid at Tucson, Ari zona and additional mailing offices. POSTMASTER: Send address |  | | Book | | iimoriite-(Y) occurs at Trimouns as colorless, pink and pale brown, translucent to transparent, tabular microcrystals...microcrystals on matrix of white dolomite, and rarely as doubly terminated crystals to I cm floating...quartz veins in a variety of metamorphic, plutonic and pegmatitic environments. In the mid- l 970s, local...quartz on a ridge had once been mined for quartz, and large ilmenite masses could be seen on the old dumps...towns of Amity and Edenville, large, fine crystals of spine!, titanite, amphibole and pyroxene have been |  | | Journal (issue) | | Germany Eric Offermann Arlesheim, Switzerland Harold and Erica Van Pelt Los Angeles, CA Julius Weber Mamaroneck...circulation man ager for rates.) • Libraries, Companies and institutions (worldwide): $55 for one year. (First-class...postage (USPS-887-700) Paid at Tucson, Arizona, and additional offices. POSTMASTER: send address changes...................... 399 by W. E. Wilson Apatite and m uscovite from the Ze Pinto prospect, M inas Gerais...Cassedanne & J. Alves Crystallized rose quartz from Alto da Pitora, M inas Gerais, Brazil .................. |  | | Journal (issue) | | Germany Eric Offermann Arlesheim, Switzerland Harold and Erica Van Pelt Los Angeles, CA Julius Weber Mamaroneck...circulation man ager for rates.) • Libraries, Companies and institutions (worldwide): $55 for one year. (First-class...postage (USPS-887-700) Paid at Tucson, Arizona, and additional offices. POSTMASTER: send address changes...................... 399 by W. E. Wilson Apatite and m uscovite from the Ze Pinto prospect, M inas Gerais...Cassedanne & J. Alves Crystallized rose quartz from Alto da Pitora, M inas Gerais, Brazil .................. |  | | Journal (issue) | | Germany Eric Offermann Arlesheim, Switzerland Harold and Erica Van Pelt Los Angeles, CA Julius Weber Mamaroneck...circulation man ager for rates.) • Libraries, Companies and institutions (worldwide): $55 for one year. (First-class...postage (USPS-887-700) Paid at Tucson, Arizona, and additional offices. POSTMASTER: send address changes...Nigeria. William Larson collection; photo by Harold and Erica Van Pelt. Copyright 1991 © by the Mineraiogical...the days when only a nearby town would be listed, and many collectors do attempt to be as responsible as |  | | Book | | Alkaline Rocks and Carbonatites of the World Part 1: North and South America Alkaline Rocks and Carbonatites...Carbonatites of the World Part 1: North and South America Alan R. Woolley Department of Mineralogy British...published 1987 by the British Museum (Natural History) and University of Texas Press British Library Cataloging...(Alan Robert) Alkaline rocks and carbonatites of the world. Pt. 1, North and South America 1. Alkalic igneous...Photosetting Services and Printed at The Alden Press Ltd, Oxford and bound by Green Street Binding, Oxford |  | | Book | | copying, recording, taping, or information storage and retrieval systems —without written permission of...115 Fifth Avenue New York, New York 10003 Chapman and Hall 2-6 Boundary Row London, SEl 8HN, England Thomas...alphabetical listing of all valid mineral species and includes the name, formula, current status, crystal...crystal system, appearance, hardness, measured and calculated density, type locality, mineral classification...origin of the name, an indication of related species, and selected literature references for each species including |  | | Book | | Quartz, variety amethyst, sceptre habit, Denny Mountain, King County, Washington, U.S.A. / Photo by Ken...Cover and Text Designer Pouliot Guay graphistes Sérandite, Analcime and Natrolite, Mont Saint- Desktop...photocopy, recording, or any information storage and retrieval system, without permission in writing from...Hematite, Smoky Quartz and Riebeckite / Royal Ontario Museum collection Muscovite and Xenotime / Earth Sciences...Sciences Museum, University of Waterloo Elbaite / Stan and Pris Woollams collection Pyrrhotite / Carnegie Museum |  | | Journal (issue) | | article by I.V. Pekov and A.P. Nikolaev is on the mineralogy of peralkaline pegmatites and hydrothermal bodies...exploration and geology are outlined, the pegmatite-hydrothermal complex is characterized and 127 minerals...rare-element granite pegmatites of Kolmozero and Voron'i Tundras and the amazonite pegmatites of West Keivy...devoted to almandine and its deposits in West Keivy. A.V. Voloshin, I.V. Pekov and V.V. Borisova give a...Art Editor Ludmila A. Cheshko Editor Advertising and Promoting Manager Translators: Andrey L. Cheshko |  | | Journal (issue) | | Thomas P. Moore Niantic, CT Joe Polityka Staten Island, NY Jeffrey A. Scovil Phoenix, AZ Pierre-Nicolas...Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica Van Pelt Los Angeles, CA Founder John Sampson...circulation manager for rates.) •Libraries, Companies and Institutions (worldwide): $150 for one year. M ...Second Sovietskiy m ine, D aTnegorsk, Russia. Jeff and G loria's M inerals specim en; p h o to by Jeff Scovil...85741. Periodicals postage paid at Tucson, Ari zona and additional mailing offices. POSTMASTER: Send address |  | | Journal (issue) | | "fCfeSPSat. -JO-5. (Cfpsed Sun.-Mon.) by Ha'^>ld and Erica Van Pelt, Los PjjPhoto N ote: P le a s e...Thomas P. Moore Niantic, CT Joe Polityka Staten Island, NY Jeffrey A. Scovil Phoenix, AZ Pierre-Nicolas...Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica Van Pelt Los Angeles, CA Librarian Curtis P...circulation manager for rates.) •Libraries, Companies and Institutions (worldwide): $150 for one year. *Continued...C. Chamberlain & C. Hall W avellite, flu e llite and m in y u lite from the W illard m in e, P ershing |
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