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American Mineralogist: Journal of Earth and Planetary Materials

Vol. 101, no. 1        January 2016 Table of Contents

LETTERS
231
In-situ crystal structure determination of seifertite SiO2 at 129 GPa: Studying a minor phase near Earth’s core-mantle boundary
Li Zhang, Dmitry Popov, Yue Meng, Junyue Wang, Cheng Ji, Bing Li, and Ho-kwang Mao
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HIGHLIGHTS AND BREAKTHROUGHS
1
A spin on lower mantle mineralogy
Jeffrey S. Pigott
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3
Safe long-term immobilization of heavy metals: Looking at natural rocks
Maarten A.T.M. Broekmans
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5
Spinel in planetary systems
Stephen E. Haggerty
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INVITED CENTENNIAL ARTICLE
7
Pathways for nitrogen cycling in Earth’s crust and upper mantle: A review and new results for microporous beryl and cordierite
Gray E. Bebout, Kris E. Lazzeri, and Charles A. Geiger
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25
Metamorphic chronology comes of age: Past achievements and future prospects
Matthew J. Kohn
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REVIEW
43
K-bentonites: A review
Warren D. Huff
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CHEMISTRY AND MINERALOGY OF EARTH'S MANTLE
71
Ca-Al-silicate inclusions in natural moissanite (SiC)
Simonpietro Di Pierro and Edwin Gnos
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SPECIAL COLLECTION: ADVANCES IN ULTRAHIGH-PRESSURE METAMORPHISM
82
Immiscible melt droplets in garnet, as represented by ilmenite–magnetite–spinel spheroids in an eclogite-garnet peridotite association, Blansk. les Granulite Massif, Czech Republic
Stanislav Vrána, Lukáš Ackerman, Vojtěch Erban, and Patricie Halodová
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93
Tetrahedral boron in natural and synthetic HP/UHP tourmaline: Evidence from Raman spectroscopy, EMPA, and single-crystal XRD
Martin Kutzschbach, Bernd Wunder, Dieter Rhede, Monika Koch-Müller, Andreas Ertl, Gerald Giester, Wilhelm Heinrich, and Gerhard Franz
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REGULAR ARTICLE
105
Radiation damage haloes in biotite investigated using high-resolution transmission electron microscopy
William R. Bower, Richard A.D. Pattrick, Carolyn I. Pearce, Giles T.R. Droop, and Sarah J. Haigh
Free Open Access

111
A spreadsheet for calculating normative mole fractions of end-member species for Na-Ca-Li-Fe2+-Mg-Al tourmalines from electron microprobe data
George B. Morgan VI
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120
Preservation of organic matter in nontronite against iron redox cycling
Qiang Zeng, Hailiang Dong, Linduo Zhao, and Qiuyuan Huang
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134
Influence of organic matter on smectite illitization: A comparison between red and dark mudstones from the Dongying Depression, China
Yingli Li, Jingong Cai, Mingshui Song, Junfeng Ji, and Yujin Bao
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146
Intermediate members of the lime-monteponite solid solutions (Ca1–xCdxO, x = 0.36-0.55): Discovery in natural occurrence
Hani N. Khoury, Ella V. Sokol, Svetlana N. Kokh, Yurii V. Seryotkin, Olga A. Kozmenko, Sergey V. Goryainov, and Ian D. Clark
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162
Ab initio investigation of majorite and pyrope garnets: Lattice dynamics and vibrational spectra
Marco De La Pierre and Donato Belmonte
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175
FTIR spectroscopy of D2O and HDO molecules in the c-axis channels of synthetic beryl
Rudolf I. Mashkovtsev, Viktor G. Thomas, Dmitry A. Fursenko, Elena S. Zhukova,Vladimir V. Uskov, and Boris P. Gorshunov
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181
Experimental constraints on mantle sulfide melting up to 8 GPa
Zhou Zhang and Marc M. Hirschmann
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193
Excess mixing volume, microstrain, and stability of pyrope-grossular garnets
Wei Du, Simon Martin Clark, and David Walker
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205
Phase stabilities and spin transitions of Fe3(S1–xPx) at high pressure and its implications in meteorites
Tingting Gu, Yingwei Fei, Xiang Wu, and Shan Qin
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BUILDING PLANETS: THE DYNAMICS AND GEOCHEMISTRY OF CORE FORMATION
211
The W-WO2 oxygen fugacity buffer (WWO) at high pressure and temperature: Implications for fO2 buffering and metal-silicate partitioning
Gregory A. Shofner, Andrew J. Campbell, Lisa R. Danielson, Kevin Righter, Rebecca A. Fischer, Yanbin Wang, and Vitali Prakapenka
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SPECIAL COLLECTION: RATES AND DEPTHS OF MAGMA ASCENT ON EARTH
222
Timescales of magma storage and migration recorded by olivine crystals in basalts of the March-April 2010 eruption at Eyjafjallajökull volcano, Iceland
Marco Viccaro, Marisa Giuffrida, Eugenio Nicotra, and Renato Cristofolini
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NEW MINERALS
235
New Mineral Names
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BOOK REVIEW
238
Book Review
John Schumacher
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