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American Mineralogist: Journal of Earth and Planetary Materials

Vol. 106, no. 2        February 2021 Table of Contents

NEW ADVANCES IN SUBDUCTION ZONE MAGMA GENESIS
165
Effect of water on carbonate-silicate liquid immiscibility in the system KAlSi3O8-CaMgSi2O6-NaAlSi2O6-CaMg(CO3)2 at 6 GPa: Implications for diamond-forming melts
Anton Shatskiy, Anton V. Arefiev, Ivan V. Podborodnikov, and Konstantin D. Litasov
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SPECIAL COLLECTION: MICROPOROUS MATERIALS: CRYSTAL-CHEMISTRY, PROPERTIES, AND UTILIZATIONS
174
Jasonsmithite, a new phosphate mineral with a complex microporous framework, from the Foote mine, North Carolina, U.S.A.
Anthony R. Kampf, Aaron J. Celestian, and Barbara P. Nash
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REGULAR ARTICLE
180
Titanium in calcium amphibole: Behavior and thermometry
Yue Liao, Chunjing Wei, and Hafiz Ur Rehman
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192
Phase relationships in the system ZnS-CuInS2: Insights from a nanoscale study of indium-bearing sphalerite
Jing Xu, Cristiana L. Ciobanu, Nigel J. Cook, Ashley Slattery, Xiaofeng Li, and Alkiviadis Kontonikas-Charos
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206
Major and trace element composition of olivine from magnesian skarns and silicate marbles
Nikolai Nekrylov, Pavel Yu. Plechov, Yulia D. Gritsenko, Maxim V. Portnyagin, Vasily D. Shcherbakov, Vasily A. Aydov, and Dieter Garbe-Schönberg
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216
Decompression experiments for sulfur-bearing hydrous rhyolite magma: Redox evolution during magma decompression
Satoshi Okumura, Hidemi Ishibashi, Shoichi Itoh, Akimasa Suzumura, Yoshihiro Furukawa, Takahiro Miwa, and Hiroyuki Kagi
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226
On the crystal chemistry of sulfur-rich lazurite, ideally Na7Ca(Al6Si6O24)(SO4)(S3)–·nH2O
Anatoly N. Sapozhnikov, Vladimir L. Tauson, Sergey V. Lipko, Roman Yu. Shendrik, Valery I. Levitskii, Lyudmila F. Suvorova, Nikita V. Chukanov, and Marina F. Vigasina
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235
Experimental evaluation of a new H2O-independent thermometer based on olivine-melt Ni partitioning at crustal pressure
Xiaofei Pu, Gordon M. Moore, Rebecca A. Lange, Jack P. Touran, and Joel E. Gagnon
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251
Contrasting compositions between phenocrystic and xenocrystic olivines in the Cenozoic basalts from central Mongolia: Constraints on source lithology and regional uplift
Yunying Zhang, Chao Yuan, Min Sun, Zongying Huang, Tserendash Narantsetseg, Zhongyuan Ren, Pengfei Li, and Qinglin Zhang
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265
The composition of garnet in granite and pegmatite from the Gangdese orogen in southeastern Tibet: Constraints on pegmatite petrogenesis
Meng Yu, Qiong-Xia Xia, Yong-Fei Zheng, Zi-Fu Zhao, Yi-Xiang Chen, Ren-Xu Chen, Xu Luo, Wan-Cai Li, and Haijun Xu
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282
Formation of metasomatic tourmalinites in reduced schists during the Black Hills Orogeny, South Dakota
Peter I. Nabelek
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290
New insights into the crystal chemistry of sauconite (Zn-smectite) from the Skorpion zinc deposit (Namibia) via a multi-methodological approach
Emanuela Schingaro, Gennaro Ventruti, Doriana Vinci, Giuseppina Balassone, Nicola Mondillo, Fernando Nieto, Maria Lacalamita, and Matteo Leoni
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301
The new mineral crowningshieldite: A high-temperature NiS polymorph found in a type IIa diamond from the Letseng mine, Lesotho
Evan M. Smith, Fabrizio Nestola, Leonardo Pasqualetto, Federico Zorzi, Luciano Secco, and Wuyi Wang
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309
Elucidating the natural–synthetic mismatch of Pb2+Te4+O3: The redefinition of fairbankite to Pb2+ 12(Te4+O3)11(SO4)
Owen P. Missen, Michael S. Rumsey, Stuart J. Mills, Matthias Weil, Jens Najorka, John Spratt, and Uwe Kolitsch
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317
Are the thermodynamic properties of natural and synthetic Mg2SiO4-Fe2SiO4 olivines the same?
Charles A. Geiger, Noreen M. Vielreicher, and Edgar Dachs
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2020 REVIEWERS
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2020 REVIEWERS
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