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American Mineralogist: Journal of Earth and Planetary Materials

Vol. 106, no. 7        July 2021 Table of Contents

SPECIAL COLLECTION: ISOTOPES, MINERALS, AND PETROLOGY: HONORING JOHN VALLEY
1033
Tourmaline composition and boron isotope signature as a tracer of magmatic-hydrothermal processes
Kun-Feng Qiu, Hao-Cheng Yu, Callum Hetherington, Ya-Qi Huang, Tao Yang, and Jun Deng
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REGULAR ARTICLE
1045
Deformation and strength of mantle relevant garnets: Implications for the subduction of basaltic-rich crust
Cara E. Vennari, Feng Lin, Martin Kunz, Masaki Akaogi, Lowell Miyagi, and Quentin Williams
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1053
Ultra-reduced phases in ophiolites cannot come from Earth’s mantle
Chris Ballhaus, Hassan M. Helmy, Rául O.C. Fonseca, Richard Wirth, Anja Schreiber, and Niels Jöns
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1064
Olivine from aillikites in the Tarim large igneous province as a window into mantle metasomatism and multi-stage magma evolution
Changhong Wang, Zhaochong Zhang, Qiuhong Xie, Zhiguo Cheng, Weiliang Kong, Bingxiang Liu, M. Santosh, and Shengkai Jin
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1077
Precise determination of the effect of temperature on the density of solid and liquid iron, nickel, and tin
Asaka Kamiya, Hidenori Terasaki, and Tadashi Kondo
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1083
Timescales of crystal mush mobilization in the Bárðarbunga- Veiðivötn volcanic system based on olivine diffusion chronometry
Alberto Caracciolo, Maren Kahl, Enikő Bali, Guðmundur H. Guðfinnsson, Sæmundur A. Halldórsson, and Margaret E. Hartley
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1097
Chemical reactions in the Fe2SiO4-D2 system with a variable deuterium content at 7.5 GPa
Vadim S. Efimchenko, Nicolay V. Barkovskii, Vladimir K. Fedotov, Konstantin P. Meletov, and Artem V. Prokoshin
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1105
High-pressure syntheses and crystal structure analyses of a new low-density CaFe2O4-related and CaTi2O4-type MgAl2O4 phases
Takayuki Ishii, Giacomo Criniti, Elena Bykova, Leonid Dubrovinsky, Tomoo Katsura, Hidekazu Arii, Hiroshi Kojitani, and Masaki Akaogi
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1113
Phase diagram and thermal expansion of orthopyroxene-, clinopyroxene-, and ilmenite-structured MgGeO3
Simon A. Hunt, James R. Santangeli, David P. Dobson, and Ian G. Wood
Free Open Access

1128
Mass transfer associated with chloritization in the hydrothermal alteration process of granitic pluton
Takashi Yuguchi, Takanobu Matsuki, Yuya Izumino, Eiji Sasao, and Tadao Nishiyama
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1143
Nonlinear effects of hydration on high-pressure sound velocities of rhyolitic glasses
Jesse T. Gu, Suyu Fu, James E. Gardner, Shigeru Yamashita, Takuo Okuchi, and Jung-Fu Lin
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1153
Crystal chemistry and high-temperature vibrational spectra of humite and norbergite: Fluorine and titanium in humite-group minerals
Dan Liu, Sarah M. Hirner, Joseph R. Smyth, Junfeng Zhang, Xiaochao Shi, Xiang Wang, Xi Zhu, and Yu Ye
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1163
Exomorphism of jacobsite precipitates in bixbyite single crystals from the Thomas Range in Utah
Johannes Peter, Maximilian Trapp, Stefan Lauterbach, Philipp Gollé-Leidreiter, Ute Kolb, and Hans-Joachim Kleebe
Free Open Access

1172
Ferropyrosmalite-bearing fluid inclusions in the North Patagonian Andes metasedimentary basement, Argentina: A record of regional metasomatism
Graciela Sosa, Sebastián Oriolo, Alfons van den Kerkhof, Pablo Diego González, Ezequiel Olaizola, and Florencia Bechis
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MEMORIAL
1183
Memorial of Alden Bliss Carpenter (1936–2019)
Edward S. Grew
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NEW MINERAL NAMES
1186
NEW MINERAL NAMES
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