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American Mineralogist: Journal of Earth and Planetary Materials

Vol. 109, no. 3        March 2024 Table of Contents

LETTERS
624
A simple method for obtaining heat capacity coefficients of minerals
Samuel Bowman, Arkajyoti Pathak, Vikas Agrawal, and Shikha Sharma
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SPECIAL COLLECTION: ISOTOPES, MINERALS, AND PETROLOGY: HONORING JOHN VALLEY
628
Molybdenum isotopic fractionation in the Panzhihua mafic layered intrusion in the Emeishan large igneous province, southwest China
Le Zhang, Jie Li, Yan Zhang, Bing-Yu Peng, Zhi-Bing Wang, and Zhong-Yuan Ren
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REVIEW
401
The composition of mackinawite
David Rickard
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SPECIAL COLLECTION: EXPERIMENTAL AND PETROLOGIC INVESTIGATION OF HALOGENS, SULFUR, AND OTHER VOLATILE SPECIES IN IGNEOUS SYSTEMS IN HONOR OF JIM WEBSTER
408
Halogen fractionation during vapor-brine phase separation revealed by in situ Cl, Br, and I analysis of scapolite from the Yixingzhai gold deposit, North China Craton
Wen-Sheng Gao, Xiao-Dong Deng, Lei Chen, Li-Zhong Zhang, Yu-Xiang Li, Tao Luo, and Jian-Wei Li
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422
The effects of oxygen fugacity and sulfur on the pressure of vapor-saturation of magma
Ery C. Hughes, Philippa Liggins, Lee Saper, and Edward M. Stolper
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SPECIAL COLLECTION: PHYSICS AND CHEMISTRY OF EARTH'S DEEP MANTLE AND CORE
439
A revisit to the phase transition behavior of K-feldspar at high-pressure and high-temperature: Implications on metastable K-feldspar in cold subduction
Chengcheng He and Heping Li
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449
Equation of state and structural evolution of manganese dolomite (kutnohorite) under high pressures
Liangxu Xu, Weibin Gui, Kewei Shen, Dongzhou Zhang, Jingui Xu, and Jin Liu
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REGULAR ARTICLE
457
A possible origin of the lunar spinel-bearing lithologies as told by the meteorite NWA 13191
Lan F. Xie, Hong Y. Chen, Bing K. Miao, Wen L. Song, Zhi P. Xia, Chuan T. Zhang, Guo Z. Chen, Jin Y. Zhang, Si Z. Zhao, and Xu K. Gao
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471
Vergasovaite to cupromolybdite topotactic transformation with crystal shape preservation
Evgeni V. Nazarchuk, Oleg I. Siidra, Dmitri O. Charkin, Gleb V. Nikolaevich, Artem S. Borisov, and Valery L. Ugolkov
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482
Thermal conductivity of aluminous garnets in Earth’s deep interior
Yu-Ping Grace Hung, Yi-Chi Tsao, Chun-Hung Lin, and Wen-Pin Hsieh
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488
Interaction of seawater with (ultra)mafic alkaline rocks— Alternative process for the formation of aegirine
Vladislav Rapprich, Dalibor Matýsek, Ondřej Pour, Jakub Jirásek, Jitka Míková, and Tomáš Magna
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502
Experimental study on the kinetics of magnesiohornblende dehydration and its implications
Kenan Han, Li Yi, Duojun Wang, Ruixin Zhang, and Peng Chen
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510
Predicting olivine formation environments using machine learning and implications for magmatic sulfide prospecting
Shengchao Xue, Yunyun Niu, Zhuosen Yao, Luyang Wang, Xiaohao Zhang, and Qingfei Wang
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521
Reaction between volatile-bearing eclogite and harzburgite as a function of degree of interaction: Experimental constraints at 4 GPa
Oded Elazar and Ronit Kessel
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533
Thermal behavior of borax, Na2B4O5(OH)4·8H2O
Wataru Nishiyasu and Atsushi Kyono
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540
Multiple magmatic processes revealed by distinct clinopyroxene populations in the magma plumbing system: A case study from a Miocene volcano in West Qinling, Central China
Guo-Kun Zhang, Xiao-Wei Li, Ji-Feng Xu, Fang-Yue Wang, Thomas Bader, Guang-Yue Cao, Feng Huang, Xuan-Xue Mo, Wei Shan, Da-Peng Li, and Guo-Chen Dong
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556
Genetic implications, composition, and structure of trioctahedral micas in xenoliths related to Plinian eruptions from the Somma-Vesuvius volcano (Italy)
Giuseppina Balassone, Emanuela Schingaro, Maria Lacalamita, Ernesto Mesto, Angela Mormone, Monica Piochi, Vincenza Guarino, Annamaria Pellino, and Loredana D’Orazio
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574
Magmatic and hydrothermal controls on diverse Nb mineralization associated with carbonatite-alkaline complexes in the southern Qinling orogenic belt, Central China
Rong-Lin Ma, Wei Terry Chen, and Yan-Wen Tang
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591
Potassium isotope fractionation during silicate-carbonatite melt immiscibility and phlogopite fractional crystallization
Ben-Xun Su, Qi-Qi Pan, Yang Bai, Wen-Jun Li, Meng-Meng Cui, and Kwan-Nang Pang
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599
Yuchuanite-(Y), Y2(CO3)3·H2O, a new hydrous yttrium carbonate mineral from the Yushui Cu deposit, South China
Wei Yao, Peng Liu, Guowu Li, Ningyue Sun, Wenqiang Yang, Chengyao Jiang, Wei Du, Chao Zhang, Wenlei Song, Nigel J. Cook, and Jingwen Mao
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606
Nature and timing of Sn mineralization in southern Hunan, South China: Constraints from LA-ICP-MS cassiterite U-Pb geochronology and trace element composition
Tao Ren, Huan Li, Thomas J. Algeo, Musa Bala Girei, Jinghua Wu, and Biao Liu
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