Mineralogy and geochemistry of hot spring deposits at Námafjall, Iceland: Analog for sulfate soils at Gusev crater, Mars
George L. Carson, Lindsay J. McHenry, Brian M. Hynek, Barry I. Cameron, and Chase T. Glenister

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The iron spin transition of deep nitrogen-bearing mineral Fe₃N_1.2 at high pressure
Chaojia Lv and Jin Liu

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Hydrogen occupation and hydrogen-induced volume expansion in Fe_0.9Ni_0.1D_x at high P-T conditions
Chikara Shito, Hiroyuki Kagi, Sho Kakizawa, Katsutoshi Aoki, Kazuki Komatsu, Riko Iizuka-Oku, Jun Abe, Hirioyuki Saitoh, Asami Sano-Furukawa, and Takanori Hattori

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Volumes and spin states of FeH_x: Implication for the density and temperature of the Earth’s core
Hua Yang, Joshua M.R. Muir, and Feiwu Zhang

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Thermodynamic characterization of synthetic lead-arsenate apatites with different halogen substitutions
Bartosz Puzio, Lei Zhang, Jennifer E.S. Szymanowski, Peter C. Burns, and Maciej Manecki

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Structural changes in shocked tektite and their implications to impact-induced glass formation
Toshimori Sekine, Tsubasa Tobase, Youjun Zhang, Ginga Kitahara, Akira Yoshiasa, Tomoko Sato, Takamichi Kobayashi, and Akihisa Mori

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Characterization of vandenbrandeite: A potential alteration product of spent nuclear fuel
Victoria L. Frankland, Antoni E. Milodowski, Robert A. Lawrence, Marco Sacchi, and David Read

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The NaCl-CaCO₃ and NaCl-MgCO₃ systems at 6 GPa: Link between saline and carbonatitic diamond forming melts
Anton Shatskiy, Ivan V. Podborodnikov, Anastasia S. Fedoraeva, Anton V. Arefiev, Altyna Bekhtenova, and Konstantin D. Litasov

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Single-crystal elasticity of (Al,Fe)-bearing bridgmanite up to 82 GPa
Suyu Fu, Yanyao Zhang, Takuo Okuchi, and Jung-Fu Lin

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Single-crystal X-ray diffraction of fluorapatite to 61 GPa
Melinda J. Rucks, Gregory J. Finkelstein, Dongzhou Zhang, Przemyslaw K. Dera, and Thomas S. Duffy

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Iron and aluminum substitution mechanism in the perovskite phase in the system MgSiO₃-FeAlO₃-MgO
Takayuki Ishii, Catherine McCammon, and Tomoo Katsura

Ultrasonic studies of alkali-rich hydrous silicate glasses: Elasticity, density, and implications for water dissolution mechanisms
Bohan Liu, Qiong Liu, Baosheng Li, Harald Behrens, and Rebecca A. Lange

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Gadolinium-dominant monazite and xenotime: Selective hydrothermal enrichment of middle REE during low-temperature alteration of uraninite, brannerite, and fluorapatite (the Zimná Voda REE-U-Au quartz vein, Western Carpathians, Slovakia)
Martin Ondrejka, Pavel Uher, Štefan Ferenc, Stanislava Milovská, Tomáš Mikuš, Alexandra Molnárová, Radek Škoda, Richard Kopáčik, and Peter Bačík

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Nucleation of Th-rich cerianite on halloysite surface in a regolith-hosted rare earth elements deposit in South China
Xiangjie Cui, Huan Liu, Xiancai Lu, Juan Li, Jiani Chen, Ting-Shan Chan, Xiandong Liu, and Rucheng Wang

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Presentation of the Dana Medal of the Mineralogical Society of America for 2022 to Cin-Ty Lee
Roberta L. Rudnick and Fang-Zhen Teng

Acceptance of the Dana Medal of the Mineralogical Society of America for 2022
Cin-Ty Lee

Presentation of the Mineralogical Society of America Award for 2022 to Benjamin M. Tutolo
W.E. Seyfried Jr. and Nicholas J. Tosca

Acceptance of the Mineralogical Society of America Award for 2022
Benjamin M. Tutolo

Presentation of the 2022 Roebling Medal of the Mineralogical Society of America to John W. Valley
Jade Star Lackey and William H. Peck

Acceptance of the 2022 Roebling Medal of the Mineralogical Society of America
John W. Valley