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Vol. 90, no. 4 An International Journal of Earth and Planetary Materials

April 2005
 
     
 

LETTERS
 
745Growth zoning and strain patterns inside diamond crystals as revealed by Raman maps
Lutz Nasdala, Wolfgang Hofmeister, Jeffrey W. Harris, and Jürgen Glinnemann
Abstract
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749Differentiation of commercial vermiculite based on statistical analysis of bulk chemical data: Fingerprinting vermiculite from Libby, Montana U.S.A.
Mickey E. Gunter, Eron Singleton, Bryan R. Bandli, Heather A. Lowers, and Gregory P. Meeker
Abstract
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755Crystal structure of single-crystal CaGeO3 tetragonal garnet synthesized at 3 GPa and 1000 °C
Akihiko Nakatsuka, Hiroki Chaya, and Akira Yoshiasa
Abstract
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758Iron isotope exchange kinetics at the nanoparticulate ferrihydrite surface
Rebecca L. Poulson, Clark M. Johnson, and Brian L. Beard
Abstract
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764Cation distribution in MgFe2O4 vs. pressure and temperature: Experiments in a "piston-cylinder" apparatus
Alexander I. Turkin and Valeri A. Drebushchak
Abstract
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MONAZITE GEOCHRONOLOGY
 
525Preface to collected papers on monazite microprobe geochronology
Michael L. Williams and Robert J. Tracy
Full Text (60 K)
526Analytical perils (and progress) in electron microprobe trace element analysis applied to geochronology: Background acquisition, interferences, and beam irradiation effects
Michael J. Jercinovic and Michael L. Williams
Abstract
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547Contributions to precision and accuracy of monazite microprobe ages
Joseph M. Pyle, Frank S. Spear, David A. Wark, Christopher G. Daniel, and Lara C. Storm
Abstract
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578Electron-microprobe age mapping of monazite
Philippe Goncalves, Michael L. Williams, and Michael J. Jercinovic
Abstract
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586Isotopic age constraints from electron microprobe U-Th-Pb dates, using a three-dimensional concordia diagram
Yvette D. Kuiper
Abstract
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592Monazite ages in the Chesham Pond Nappe, SW New Hampshire, U.S.A.: Implications for assembly of central New England thrust sheets
Joseph M. Pyle, Frank S. Spear, John T. Cheney, and Graham Layne
Abstract
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607Electron-microprobe dating as a tool for determining the closure of Th-U-Pb systems in migmatitic monazites
Alain Cocherie, Eug¬Źne be Mezeme, Olivier Legendre, C. Mark Fanning, Michel Faure, and Philippe Rossi
Abstract
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619Comparative isotopic and chemical geochronometry of monazite, with implications for U-Th-Pb dating by electron microprobe: An example from metamorphic rocks of the eastern Wyoming craton (U.S.A.)
Peter S. Dahl, Michael A. Hamilton, Michael J. Jercinovic, Michael P. Terry, Michael L. Williams, and Robert Frei
Abstract
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ARTICLES
 
639Re-examination of the hydrogarnet structure at high pressure using neutron powder diffraction and infrared spectroscopy
George A. Lager, William G. Marshall, Zhenxian Liu, and Robert T. Downs
Abstract
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(contents continued on outside back cover)

 
 
AMMIAY 90(04)525-776 ISSN 0003-004X
 
 
 
         
 

(contents continued from front cover)

 
         
 
645Anomalous elastic behavior and high-pressure structural evolution of zeolite levyne
Giacomo Diego Gatta, Paola Comodi, Pier Francesco Zanazzi, and Tiziana Boffa Ballaran
Abstract
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653Crystal chemistry of the hydrothermally synthesized Na2(Mn1-xFe2+x)2Fe3+(PO4)3 alluaudite-type solid solution
Frédéric Hatert, Leila Rebbouh, Raphaël P. Hermann, André-Mathieu Fransolet, Gary J. Long, and Fernande Grandjean
Abstract
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663Thermodynamic properties of uvarovite garnet (Ca3Cr2Si3O12)
S. Klemme, J.C. van Miltenburg, P. Javorsky, and F. Wastin
Abstract
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667Post-aragonite phase transformation in CaCO3 at 40 GPa
Shigeaki Ono, Takumi Kikegawa, Yasuo Ohishi, and Jun Tsuchiya
Abstract
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672Direct formation of the γ-CaSO4 phase in dehydration process of gypsum: In situ FTIR study
P.S.R. Prasad, V. Krishna Chaitanya, K. Shiva Prasad, and D. Narayana Rao
Abstract
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679The order-disorder character of FeOHSO4 obtained from the thermal decomposition of metahohmannite, Fe3+2(H2O)4[O(SO4)2]
Gennaro Ventruti, Fernando Scordari, Emanuela Schingaro, Alessandro F. Gualtieri, and Carlo Meneghini
Abstract
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687Temperature and composition dependence of structural phase transitions in Ca(TixZr1-x)OGeO4
Rikke Ellemann-Olesen and Thomas Malcherek
Abstract
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695Low-T neutron powder-diffraction and synchrotron-radiation IR study of synthetic amphibole Na(NaMg)Mg5Si8O22(OH)2
G. Iezzi, G.D. Gatta, W. Kockelmann, G. Della Ventura, R. Rinaldi, W. Schäfer, M. Piccinini, and F. Gaillard
Abstract
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701Charge contrast imaging of fine-scale microstructure and compositional variation in garnet using the environmental scanning electron microscope
Simon J. Cuthbert and James O. Buckman
Abstract
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708Piston-cylinder experiments on H2O undersaturated Fe-bearing systems: An experimental setup approaching ƒO2 conditions of natural calc-alkaline magmas
Ralf Kägi, Othmar Müntener, Peter Ulmer, and Luisa Ottolini
Abstract
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718Environmentally important, poorly crystalline Fe/Mn hydrous oxides: Ferrihydrite and a possibly new vernadite-like mineral from the Clark Fork River Superfund Complex
Michael F. Hochella, Jr., Takeshi Kasama, Andrew Putnis, Christine V. Putnis, and Johnnie N. Moore
Abstract
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725The true structure of wonesite, an interlayerdeficient trioctahedral sodium mica
Toshihiro Kogure, Ritsuro Miyawaki, and Yasuyuki Banno
Abstract
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732Clinoholmquistite discredited: The new amphibole end-member fluoro-sodic-pedrizite
Roberta Oberti, Fernando Cámara, and Luisa Ottolini
Abstract
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Deposit Item
737XRMapAnal: A program for analysis of quantitative X-ray maps
Douglas K. Tinkham and Edward D. Ghent
Abstract
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768NEW MINERAL NAMES
Paula C. Piilonen, T. Scott Ercit, And Andrew C. Roberts
Full Text
774BOOK REVIEW
DEER, HOWIE AND ZUSSMAN ROCK-FORMING MINERALS, SHEET SILICATES: MICAS, volume 3A, 2nd edition. By M.E. Fleet, The Geological Society, London, 2003, 758 pp.
Stephen Guggenheim
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776ERRATUM
The Mn, Mg-intracrystalline exchange reaction in donpeacorite (Mn0.54Ca0.03Mg1.43Si2O6) and its relation to the fraction- ation behavior of Mn in Fe, Mg-orthopyroxene by Marilena Stimpfl (2005, vol. 90, p. 155-161, DOI: 10.2138/am.2005.444).
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