American Mineralogist - July 2012 Table of Contents

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Vol. 97, no. 07

An International Journal of Earth and Planetary Materials

July 2012

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LETTERS

1252 Thermodynamic behavior and properties of katoite (hydrogrossular): A calorimetric study
Charles A. Geiger, Edgar Dachs, and Artur Benisek
Abstract
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1256 Graphite in the martian meteorite Allan Hills 84001
Andrew Steele, Francis M. McCubbin, Marc D. Fries, D.C. Golden, Douglas W. Ming, and Liane G. Benning
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ARTICLES

1013 Mercury (Hg) mineral evolution: A mineralogical record of supercontinent assembly, changing ocean geochemistry, and the emerging terrestrial biosphere
Robert M. Hazen, Joshua Golden, Robert T. Downs, Grethe Hystad, Edward S. Grew, David Azzolini, and Dimitri A. Sverjensky
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1043 The 3.65 Å phase, MgSi(OH)₆: Structural insights from DFT-calculations and T-dependent IR spectroscopy
Bernd Wunder, Sandro Jahn, Monika Koch-Müller, and Sergio Speziale
Abstract
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1049 Vertical zonation of the Barcroft granodiorite, White Mountains, California: Implications for magmatic processes
Eric C. Ferré, Karen J. Michelsen, W. Gary Ernst, John D. Boyd, and Edgardo Canon-Tapia
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1060 Minerals in cement chemistry: A single-crystal neutron diffraction and Raman spectroscopic study of thaumasite, Ca₃Si(OH)₆(CO₃)(SO₄)·12H₂O
G. Diego Gatta, Garry J. McIntyre, Julia G. Swanson, and Steven D. Jacobsen
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1070 A new high-pressure phase transition in natural Fe-bearing orthoenstatite
Jin S. Zhang, Przemyslaw Dera, and Jay D. Bass
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1075

Aluminum solubility in TiO₂ rutile at high pressure and experimental evidence for a CaCl₂-structured polymorph
Alberto Escudero, Falko Langenhorst, and Wolfgang F. Müller
Abstract
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1083

First record and timing of UHP metamorphism from zircon in the Xitieshan terrane: Implications for the evolution of the entire North Qaidam metamorphic belt
Xiaochi Liu, Yuanbao Wu, Shan Gao, Qian Liu, Hao Wang, Zhengwei Qin, Qiuli Li, Xian-hua Li, and Hujun Gong
Abstract
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1094

Lead in zircon at the atomic scale
Masashi Kogawa, E. Bruce Watson, Rodney C. Ewing, and Satoshi Utsunomiya
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1103

Characterization of fluor-chlorapatites by electron probe microanalysis with a focus on time-dependent intensity variation of halogens
Beth Goldoff, James D. Webster, and Daniel E. Harlov
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1116

An inversion-based self-calibration for SIMS measurements: Application to H, F, and Cl in apatite
Jeremy W. Boyce, John M. Eiler, and Melanie B. Channon
Abstract
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1129

Second boiling effects on the Al-content of hornblende rims from an exhumed Cretaceous arc pluton, Stewart Island, New Zealand
Rose E. Turnbull, Chad D. Deering, Andy J. Tulloch, and Steve D. Weaver
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1145

Heat transfer in plagioclase feldspars
Joy M. Branlund and Anne M. Hofmeister
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1155

Transport properties and equation of state of 1-bar eutectic melt in the system CaAl₂Si₂O₈-CaMgSi₂O₆ by molecular dynamics simulation
G. Ben Martin, Mark Ghiorso, and Frank J. Spera
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1165

High-pressure behavior of zoisite
Matteo Alvaro, Ross J. Angel, and Fernando Cámara
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(contents continued on outside back cover)

AMMIAY 97(07)1013–1268 ISSN 0003-004X (print) ISSN 1945-3027 (Online)

(contents continued from front cover)

1177

A first-principle investigation of antigorite up to 30 GPa: Structural behavior under compression
Gian Carlo Capitani and Lars Stixrude
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1187

Reynoldsite, Pb₂Mn⁴⁺₂O₅(CrO₄), a new phyllomanganate-chromate from the Blue Bell claims, California and the Red Lead mine, Tasmania
Anthony R. Kampf, Stuart J. Mills, Robert M. Housley, Ralph S. Bottrill, and Uwe Kolitsch
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1193

A new cubic perovskite in PbGeO₃ at high pressures
Wansheng Xiao, Dayong Tan, Wei Zhou, Ming Chen, Xiaolin Xiong, Maoshuang Song, Jing Liu, Ho-Kwang Mao, and Jian Xu
Abstract
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1199

Manganoquadratite, AgMnAsS₃, a new manganese-bearing sulfosalt from the Uchucchacua polymetallic deposit, Lima Department, Peru: Description and crystal structure
Paola Bonazzi, Frank N. Keutsch, and Luca Bindi
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1206

Leucostaurite, Pb₂[B₅O₉]Cl·0.5H₂O, from the Atacama Desert: The first Pb-dominant member of the hilgardite group, and micro-determination of boron in minerals by PIGE
Joël Brugger, Nicolas Meisser, Stefan Ansermet, Sergey V. Krivovichev, Volker Kahlenberg, David Belton, and Chris G. Ryan
Abstract
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1213

Synthetic LiAlGe₂O₆: The first pyroxene with P2₁/n symmetry
Günther J. Redhammer, Fabrizio Nestola, and Ronald Miletich
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1219

Panguite, (Ti⁴⁺,Sc,Al,Mg,Zr,Ca)_1.8O₃, a new ultra-refractory titania mineral from the Allende meteorite: Synchrotron micro-diffraction and EBSD
Chi Ma, Oliver Tschauner, John R. Beckett, George R. Rossman, and Wenjun Liu
Abstract
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1226

Buseckite, (Fe,Zn,Mn)S, a new mineral from the Zakłodzie meteorite
Chi Ma, John R. Beckett, and George R. Rossman
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1234

Experimental calibration of the effect of H₂O on plagioclase crystallization in basaltic melt at 200 MPa
Renat R. Almeev, François Holtz, Jürgen Koepke, and Fleurice Parat
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Amorphous Materials: Properties, Structure, And Durability

1241 High-pressure and high-temperature titanium solution mechanisms in silicate-saturated aqueous fluids and hydrous silicate melts
Bjorn Mysen
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1260 New Mineral Names
Kimberly T. Tait, Dmitry Belakovskiy, Mark D. Welch, G. Diego Gatta, and Fernando Cámara
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1266 Book Review: TIMESCALES OF MAGMATIC PROCESSES: FROM CORE TO ATMOSPHERE: Edited by Antony Dosseto, Simon P. Turner, and James A. van Orman. (2011) Wiley-Blackwell, 264 pp. ISBN: 978-1-4443-3260-5.
C. J. Hawkesworth
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