American Mineralogist: Journal of Earth and Planetary Materials
Vol. 104, no. 8 August 2019 Table of Contents
LETTER
1213
A new (Mg0.5Fe3+0.5)(Si0.5Al3+0.5)O3 LiNbO3-type phase synthesized at lower mantle conditions
Zhaodong Liu, Leonid Dubrovinsky, Catherine McCammon, Sergey V. Ovsyannikov, Iuliia Koemets, Luyao Chen, Qi Cui, Na Su, Jinguang Cheng, Tian Cui, Bingbing Liu, and Tomoo Katsura
Zhaodong Liu, Leonid Dubrovinsky, Catherine McCammon, Sergey V. Ovsyannikov, Iuliia Koemets, Luyao Chen, Qi Cui, Na Su, Jinguang Cheng, Tian Cui, Bingbing Liu, and Tomoo Katsura
MSA PRESIDENTIAL ADDRESS
1065
Metamorphism and the evolution of subduction on Earth
Michael Brown and Tim Johnson
Michael Brown and Tim Johnson
EARTH IN FIVE REACTIONS: A DEEP CARBON PERSPECTIVE
1083
Experimental investigation of FeCO3 (siderite) stability in Earth’s lower mantle using XANES spectroscopy
Valerio Cerantola, Max Wilke, Innokenty Kantor, Leyla Ismailova, Ilya Kupenko, Catherine McCammon, Sakura Pascarelli, and Leonid S. Dubrovinsky
Valerio Cerantola, Max Wilke, Innokenty Kantor, Leyla Ismailova, Ilya Kupenko, Catherine McCammon, Sakura Pascarelli, and Leonid S. Dubrovinsky
SPECIAL COLLECTION: APPLICATIONS OF FLUID, MINERAL, AND MELT INCLUSIONS
1092
Comparison of fluid processes in coexisting wolframite and quartz from a giant vein-type tungsten deposit, South China: Insights from detailed petrography and LA-ICP-MS analysis of fluid inclusions
Jun-Yi Pan, Pei Ni, and Ru-Cheng Wang
Jun-Yi Pan, Pei Ni, and Ru-Cheng Wang
SPECIAL COLLECTION: HIGH-GRADE METAMORPHISM, ANATEXIS, AND GRANITE MAGMATISM
1117
Monazite and xenotime solubility in hydrous, boron-bearing rhyolitic melt
Monika K. Rusiecka and Don R. Baker
Monika K. Rusiecka and Don R. Baker
REGULAR ARTICLE
1131
Solving the iron quantification problem in low-kV EPMA: An essential step toward improved analytical spatial resolution in electron probe microanalysis—Olivines
Aurélien Moy, John H. Fournelle, and Anette von der Handt
Aurélien Moy, John H. Fournelle, and Anette von der Handt
1143
Transition metals in komatiitic olivine: Proxies for mantle composition, redox conditions, and sulfide mineralization potential
Marek Locmelis, Ricardo D. Arevalo Jr., Igor S. Puchtel, Marco L. Fiorentini, and Euan G. Nisbet
Marek Locmelis, Ricardo D. Arevalo Jr., Igor S. Puchtel, Marco L. Fiorentini, and Euan G. Nisbet
1156
Formation of saponite by hydrothermal alteration of metal oxides: Implication for the rarity of hydrotalcite
Qi Tao, Qingjin Zeng, Manyou Chen, Hongping He, and Sridhar Komarneni
Qi Tao, Qingjin Zeng, Manyou Chen, Hongping He, and Sridhar Komarneni
1165
Near end-member shenzhuangite, NiFeS2, found in Muong Nong-type tektites from Laos
Šárka Křížová, Roman Skála, Patricie Halodová, Karel Žák, and Lukáš Ackerman
Šárka Křížová, Roman Skála, Patricie Halodová, Karel Žák, and Lukáš Ackerman
1173
Pressure-induced velocity softening in natural orthopyroxene at mantle temperature
Siheng Wang, Ting Chen, Nao Cai, Xintong Qi, Adrian Fiege, Robert C. Liebermann, and Baosheng Li
Siheng Wang, Ting Chen, Nao Cai, Xintong Qi, Adrian Fiege, Robert C. Liebermann, and Baosheng Li
1180
The role of mineral nanoparticles at a fluid-magnetite interface: Implications for trace-element uptake in hydrothermal systems
Shuo Yin, Richard Wirth, Changqian Ma, and Jiannan Xu
Shuo Yin, Richard Wirth, Changqian Ma, and Jiannan Xu
1189
Melting temperature depression due to the electronic spin transition of iron
Jie Deng and Kanani K.M. Lee
Jie Deng and Kanani K.M. Lee
1197
Epidote spherulites and radial euhedral epidote aggregates in a greenschist facies metavolcanic breccia hosting an UHP eclogite in Dabieshan (China): Implication for dynamic metamorphism
An-Ping Chen, Jian-Jun Yang, Da-Lai Zhong, Yong-Hong Shi, and Jing-Bo Liu
An-Ping Chen, Jian-Jun Yang, Da-Lai Zhong, Yong-Hong Shi, and Jing-Bo Liu