 | | Journal (article/letter/editorial) | | and sub-Recent beach and fluvio-glacial sands and gravels from South Westland, New Zealand, the writer observed...cassiterite,usually a tantalian variety, uranothorite, zircon, ilmenite, and gold. After having determined the...Mile Beach, Bruce Bay, north and south of the mouth of the Waikukupa River, and Gillespie's Beach, but...but it appeared to be more plentiful in the Gillespie's Beach area than elsewhere. In each of these occurrencesit...PnopBnrrns In a preliminary survey of sands from South Westland the writer mistook huttonite for scheelite but |  | | Journal (article/letter/editorial) | | unaltered uranothorite from Gillespie's Beach, South Westland, New Zealand. Rotation patterns on the a...a and c axes are very similar to zircon patterns but show a certain amount of streaking along "powder...similarity of the rotation patterns to those of zircon space group is D&ls-I4famd. leaves no doubt that...the structure of this uranothorite is of the 113 (zircon) type. MarBnrar, Through the courtesy of Professor...concentrated from sand of Gillespie'sBeach, South Westland, New Zealand. It has recently been describedand pictured |  | | Journal (article/letter/editorial) | | HUTTONITE, A NEW MONOCLINIC THORIUM SILICATE A. Pensr, Uniaersityof California, B erkeley,CaliJornia...hasbeenisolatedin minutegrainsfrombeachsandsof southwestland,New Zealand. It is monoclinic; sp. gr. 7.1;a:1.898,B:1.900...of a new mineral which he had concentrated from the sands of Gillespie's Beach, South westland, New Zealand...thorium silicate found and described by Hutton to be a new mineral, distinct from the tetragonal form of this...the mineral thorite. It is proposed to call this new mineral hutlon'i.te. SvsrrMerrc RnrerroNs The cell |  | | Journal (article/letter/editorial) | | years later Machatschki (194t) suggestedthat for zircon the instability making it susceptible to metamictization...made to determine the amount of heat given off as zircon becomes ordered again at elevated temperature,...ZrOz difrra"ctionpattern and on further heating a zircon fiber pattern with a large measure of disorientation...examination of this material showing that it has zircon type structure (Pabst, 1951). Since then Bonatti...silicate available for study was the uranothorite from New Zealand.reported on last year. At that time it was |  | | Journal (article/letter/editorial) | | to be a continuing committee of six members, two new members to be appointed each year to serve for three...Ithaca, New York. Alexander de Bretteville, Jr., Signal Corps Laboratories, Fort Monmouth, New Jersey...University, New York, New York. Joseph Stevens Lukesh, General Electric Company, Schenectady, New York. Charles...death two fellows: Clarence N. Fenner of Clifton, New Jersey, and Martin A. Peacock of the Universitv of...research bureaus, and technical laboratories. Two new minerals were described in detail for the first time: |  | | Journal (article/letter/editorial) | | to be a continuing committee of six members, two new members to be appointed each year to serve for three...Ithaca, New York. Alexander de Bretteville, Jr., Signal Corps Laboratories, Fort Monmouth, New Jersey...University, New York, New York. Joseph Stevens Lukesh, General Electric Company, Schenectady, New York. Charles...death two fellows: Clarence N. Fenner of Clifton, New Jersey, and Martin A. Peacock of the Universitv of...research bureaus, and technical laboratories. Two new minerals were described in detail for the first time: |  | | Book | | are always looking for people to write books on new and related subjects. If you have an idea for a book...Laboratory; William "Skip" Simmons, - University of New Orleans; Reinhard Wegner, Universidade Federal da...mineralogist M. H. Klaprot h showed that it contained a new chemica l element. Klaproth produced "uranium" powder...by about 50% over the next several years with a new mine scheduled to open at Langer Heinrich. Niger...solution in various accessory minerals, particularly zircon, monazite, and thorite. The bulk of the uranium |  | Berger, Alfons, Gnos, Edwin, Janots, Emilie, Fernandez, Alain, Giese, Jörg (2008) Formation and composition of rhabdophane, bastnäsite and hydrated thorium minerals during alteration: Implications for geochronology and low-temperature processes. Chemical Geology, 254 (3) 238-248 doi:10.1016/j.chemgeo.2008.03.006 | Journal (article/letter/editorial) | | different REE-phases at low-temperatures is discussed. New insights into REE and Th mobility under such conditions...nepheline. The predominant accessory minerals are zircon and monazite. All selected 239 samples appear...Faliarivo granite is situated in the northern Itremo region. The granite is dominated by two feldspars, quartz...alkali-feldspar, plagioclase, quartz and biotite, with zircon, apatite, ilmenite and monazite as accessory phases...metasediments (including the Itremo Group) to the west from the Antananarivo block to the east. The small |  | | Book | | tons of 0.27% U3D8 by mid-1957, of vvhich 70% is in New Mexico, 16% in Colorado, Utah, and Arizona, and 8%... . . .. . .... . . . . . . .... ....... . . New Zealand . ............ . . . . . .... .. ... . . . .... crandalJite Pyrochlore-mi cro]j te Uraninite, zircon Uraninite Uraninite, fergusonite, samarskite, xenotime...eschynite, thorite Monazi t,e, cheralite Thorianite, zircon Zirkeli te, clarkeite, al!a.ni te, chevkini te...allanite, spheue Chevkinite Metatorbernite Zircon, baddeleyite Zircon O-(OR)2-F 2 .... . . l\!Iicrolite, apatite |  | | Journal (article/letter/editorial) | | Cosmochimica Acta 68, 829–840.] for Pb. Th diffusion in zircon [Cherniak, D.J., Hanchar, J.M., Watson, E.B., 1997...1997. Diffusion of tetravalent cations in zircon. Contributions to Mineralogy and Petrology 127, 383–390...energy for diffusion. The lower diffusivities in zircon may be a consequence of the larger disparity in...in size between Th and the Zr site in zircon as compared with Th and the REE site in monazite. Nonetheless...monazite to radiation damage effects compared with zircon (e.g., Meldrum et al., 1998); Pb D.J. Cherniak |  | | Journal (article/letter/editorial) | | peraluminous granitesof the Erzgebirge-Fichtelgebirge region,Germany,Part I: The monazite-(Ce)-brabantite solid...first occurrenceof this mineral in a granite. Many new occurrences of cheralite-(Ce),as well as a monazite-groupmineral...minerals occur in all four granite types, and this region therefore offers an ideal chance to study the occurrence...correctedby the procedureof AmIi Permian, this region was invaded by numerous granitic and Griffin (I975)...Seiffen high-f; lowP granite (group D) are monazite, zircon, and xenotime. Primary allanite-(Ce) is presentonly |  | | Journal (article/letter/editorial) | | microprobe is not the most reliable method for dating zircon since U and Th concentrations are generally low...granites is the isotopic U–Pb method applied to zircon. Yet, zircons are not always appropriate to date...who also successfully applied the technique to zircon and xenotime. The aim of this paper is to evaluate...potential of this geochronological method for dating zircon, thorite, xenotime, baddeleyite and thorianite...usually more common, minerals such as monazite and zircon are lacking. They can also be used as complementary |  | | Book | | Location No. Luh ComVW 1. © “~~ — e PROCKE: NEW“ZEASARDIMBEBTING: a +Brice: COMRONW BAT. Te Man NG...Weillligion fest: April 1°55 VOLUME PROCEEDINGS NEW ZEALAND EIGHTH OF MEETING COMMONWEALTH MINING AND...Dunedin New Zealand VI1I1 Copyright by the University of Otago and the Contributors Printed in New Zealand...EIGHTH COMMONWEALTH METALLURGICAL NEW Dr G, J. Williams ZEALAND MINING AND CONGRESS ORGANISING...visitors attended the Wellington sessions in New Zealand and the rest came from more distant countries |  | | Book | | Designed by Molly Shields Type set in DIN Black/Ti1nes New Ro111an ISBN: 978 -0-7643 -5113-6 Printed in China...are always looking for people to write books on new and related subjects. If you have an idea for a book...to the advancement of the science of uraniun1 and New species are no\.V being reported at the rate of several...appropriate. Research in this fie ld is ongo in g, and new 111inerals continue to be described in the literature;...for the sin1ple reason that the cost of using a new pai r of disposable gloves every tin1e specin,ens |  | | Report (volume) | | Page FIGURE 9. Monazite. A, B. Typical habit. C. New York. D. Tavetsch, Switzerland ---------------- ___...development of the rich uranium ores of the Katanga district in the Belgian Congo. The uraninite ores of Great...rare-earth, zirconium, and uranium minerals, notably zircon, uraninite, and monazite. The presence of thorium...been sporadic and reflect the discovery of new deposits or of new uses for this element. T'wo species were...also should be mentioned here. No such increase of new species followed the discovery of the Great Bear |  | | Journal (issue) | | Institute in a great rectangle and run east and west and south and north; their total aggregate length...Some schools have dropped out altogether and others-new borrowers -have taken their places. There has undoubtedly...attained an added importance in the light of the new policy recently announced by the Right Hon'ble Malcolm...sometimes in quite interesting new developments. I quote the following at random : new Empire sources of fibre...of the Empire, and particularly to discover new uses and new markets for them, is all to the benefit of |  | | Book (edition) | | completely revised and updated with a wealth of new information and features. The second edition of the...alphabetical entries, 1000 of which are entirely new • 240 new color photographs, mostly of large specimens...as well as 104 black-and-white photographs • 45 new crystal drawings of rare species • the most complete...distinguished group of authors in the light of new research and important new technological developments. The second...America Van Nostrand Reinhold 115 Fifth Avenue New York, New York 10003 Chapman & Hall 2-6 Boundary Row London |  | | Book (edition) | | Mineralogy American Museum of Natural History, New York, New York Research Associate, Department of Mineralogy...Toronto. Canada ~VANNOSTRAND REINHOLD COMPANY ~ NEW YORK CINCINNATI TORONTO LONDON i UI \J- MELBOURNE...Van Nostrand Reinhold Company Regional Offices: New York Cincinnati Chicago Millbrae Dallas Van Nostrand...Published by Van Nostrand Reinhold Company 450 West 33rd Street, New York, N.Y. 10001 Published simultaneously...descriptions, especially of new minerals, and the provision of described specimens on which new research can be brought |  | | Book (edition) | | Publications CHAPMAN & HALL London • Glasgow • New York • Tokyo • Melbourne • Madras Published by...2NZ, UK Chapman & Hall Inc.. 29 Wesl 351h S1ree1. New York NY llXl0I. US;\ Chapman & Hall Japan. Thomson...of Dr Andrew Clark. we arc able to welcome this new and expanded version. Like Dr Hey's. it is much more...have contributed much to the regular discovery of new minerals. The number of known species is now around...experimental synthesizer of mineral analogues. This new version is. therefore. likely to be of use to researchers |
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