
American Mineralogist

Letter
744 Accurate predictions of iron redox state in silicate glasses: A multivariate approach using X-ray absorption spectroscopy
M. Darby Dyar, Molly McCanta, Elly Breves, C.J. Carey, and Antonio Lanzirotti
MSA Presidential Address
Mickey E. Gunter
564 Multi-stage barite crystallization in partially melted UHP eclogite from the Sulu belt, China
Songjie Wang, Lu Wang, Michael Brown, and Peng Feng
596 Evidence for dissolution-reprecipitation of apatite and preferential LREE mobility in carbonatite-derived late-stage hydrothermal processes
Sam Broom-Fendley, Mike T. Styles, J. Don Appleton, Gus Gunn, and Frances Wall
612 Compositional variation of apatite from rift-related alkaline igneous rocks of the Gardar Province, South Greenland
Sara Ladenburger, Michael A.W. Marks, Brian Upton, Peter Hill, Thomas Wenzel, and Gregor Markl
627 Dynamics and thermodynamics of magma mixing: Insights from a simple exploratory model
Frank J. Spera, Jason S. Schmidt, Wendy A. Bohrson, and Guy A. Brown
644 Geochemistry, petrologic evolution, and ore deposits of the Miocene Bodie Hills Volcanic Field, California and Nevada
Edward A. du Bray, David A. John, Brian L. Cousens, Leslie A. Hayden, and Peter G. Vikre
REGULAR ARTICLES
678 Recognizing sulfate and phosphate complexes chemisorbed onto nanophase weathering products on Mars using in-situ and remote observations
Elizabeth B. Rampe, Richard V. Morris, P. Douglas Archer Jr., David G. Agresti, and Douglas W. Ming
690 Crystallographic orientation relationships in host–inclusion systems: New insights from large EBSD data sets
Thomas A. Griffiths, Gerlinde Habler, and Rainer Abart
706 In-situ infrared spectroscopic studies of hydroxyl in amphiboles at high pressure
Elizabeth C. Thompson, Andrew J. Campbell, and Zhenxian Liu
713 Confined water in tunnel nanopores of sepiolite: Insights from molecular simulations
Jinhong Zhou, Xiancai Lu, and Edo S. Boek
719 Equation of state of the high-pressure Fe3O4 phase and a new structural transition at 70 GPa
Angele Ricolleau and Yingwei Fei
726 Reflectance spectroscopy of chromium-bearing spinel with application to recent orbital data from the Moon
Kelsey B. Williams, Colin R.M. Jackson, Leah C. Cheek, Kerri L. Donaldson-Hanna, Stephen W. Parman, Carle M. Pieters, M. Darby Dyar, and Tabb C. Prissel
735 Temperature dependences of the hyperfine parameters of Fe2+ in FeTiO3 as determined by 57Fe-Mössbauer spectroscopy
Antoine Van Alboom and Eddy De Grave
Supplements
Welcome to MSA/American Mineralogist Supplemental Materials. These are free to all readers. Discover extra tables, supplemental data, CIFs, appendices, extra figures, and in the future “methods sections”. To find previous issues, go to that Table of Contents and click on the link. We ask that all materials be cited so that credit is given to the authors and American Mineralogist. The pure datasets are not copyrightable. All other material is copyrighted by the authors.
American Mineralogist Vol. 107, no. 1 January 2022
Corinne Kuebler, Antonio Simonetti, Stefanie S. Simonetti, and Robert F. Martin
Item #AM-22-17811
Online Material
AM-22-17811.zip zipped
Ferdinando Bosi, Federico Pezzotta, Alessandra Altieri, Giovanni B. Andreozzi, Paolo Ballirano, Gioacchino Tempesta, Jan Cempírek, Radek Škoda, Jan Filip, Renata Čopjaková, Milan Novák, Anthony R. Kampf, Emily D. Scribner, Lee A. Groat, and R. James Evans
Yiping Yang, Hongping He, Wei Tan, Qi Tao, Junming Yao, Haiyang Xian, Shangying Li, Jiaxin Xi, Jianxi Zhu, and Huifang Xu
Alix M. Ehlers, Gabriele Zaffiro, Ross J. Angel, Tiziana Boffa-Ballaran, Michael A. Carpenter, Matteo Alvaro, and Nancy L. Ross
Item #AM-22-17731
Online Material
AM-22-17731.zip zipped
David London
Marc Maderazzo, John M. Hughes, M. Darby Dyar, George R. Rossman, Brandon J. Ackley, Elizabeth C. Sklute, Marian V. Lupulescu, and Jeffrey Chiarenzelli
Olga Frank-Kamenetskaya, Marina Zelenskaya, Alina Izatulina, Vladislav Gurzhiy, Aleksei Rusakov, and Dmitry Vlasov
Jianbai Ma, Xiaoying Shi, Maxwell Lechte, Xiqiang Zhou, Zhenfei Wang, Kangjun Huang, Maxim Rudmin, and Dongjie Tang
Gwladys Steciuk, Radek Škoda, Veronika Dillingerová, and Jakub Plášil
Arkadiusz Krzątała, Biljana Krüger, Irina Galuskina, Yevgeny Vapnik, and Evgeny Galuskin
Baoyun Wang, Yanyao Zhang, Suyu Fu, Wei Yan, Eiichi Takahashi, Li Li, Jung-Fu Lin, and Maoshuang Song
Item #AM-22-18056
CIF and Online Material
AM-22-18056.zip zipped
LETTER
744
Accurate predictions of iron redox state in silicate glasses: A multivariate approach using X-ray absorption spectroscopy
M. Darby Dyar, Molly McCanta, Elly Breves, C.J. Carey, and Antonio Lanzirotti
EDITORIAL
497
The most-cited journal in mineralogy and petrology (and what scientists can learn from baseball)
Keith Putirka
FLUIDS IN THE CRUST
500
Fluids in the crust during regional metamorphism: Forty years in the Waterville limestone
John M. Ferry
INVITED CENTENNIAL ARTICLE
518
Remanent magnetization, magnetic coupling, and interface ionic configurations of intergrown rhombohedral and cubic Fe-Ti oxides: A short survey
Peter Robinson, S.A. McEnroe, Nobuyoshi Miyajima, Karl Fabian, and Nathan Church
531
Are covalent bonds really directed?
I. David Brown
DANA MEDAL PAPER
540
Constraints on the early delivery and fractionation of Earth’s major volatiles from C/H, C/N, and C/S ratios
Marc M. Hirschmann
CROSSROADS IN EARTH AND PLANETARY MATERIALS
554
Octahedral chemistry of 2:1 clay minerals and hydroxyl band position in the near-infrared: Application to Mars
Javier Cuadros, Joe R. Michalski, Vesselin Dekov, and Janice L. Bishop
SPECIAL COLLECTION: ADVANCES IN ULTRAHIGH-PRESSURE METAMORPHISM
564
Multi-stage barite crystallization in partially melted UHP eclogite from the Sulu belt, China
Songjie Wang, Lu Wang, Michael Brown, and Peng Feng
SPINELS RENAISSANCE: PAST, PRESENT, AND FUTURE OF THOSE UBIQUITOUS MINERALS AND MATERIALS
580
Crystal chemistry of spinels in the system MgAl2O4-MgV2O4-Mg2VO4
Ferdinando Bosi, Henrik Skogby, Rosa Anna Fregola, and Ulf Hålenius
587
Magnetite spherules in pyroclastic iron ore at El Laco, Chile
Jan Olov Nyström, Fernando Henríquez, José A. Naranjo, and H. Richard Naslund
SPECIAL COLLECTION: APATITE: A COMMON MINERAL, UNCOMMONLY VERSATILE
596
Evidence for dissolution-reprecipitation of apatite and preferential LREE mobility in carbonatite-derived late-stage hydrothermal processes
Sam Broom-Fendley, Mike T. Styles, J. Don Appleton, Gus Gunn, and Frances Wall
612
Compositional variation of apatite from rift-related alkaline igneous rocks of the Gardar Province, South Greenland
Sara Ladenburger, Michael A.W. Marks, Brian Upton, Peter Hill, Thomas Wenzel, and Gregor Markl
SPECIAL COLLECTION: PERSPECTIVES ON ORIGINS AND EVOLUTION OF CRUSTAL MAGMAS
627
Dynamics and thermodynamics of magma mixing: Insights from a simple exploratory model
Frank J. Spera, Jason S. Schmidt, Wendy A. Bohrson, and Guy A. Brown
SPECIAL COLLECTION: FROM MAGMAS TO ORE DEPOSITS
644
Geochemistry, petrologic evolution, and ore deposits of the Miocene Bodie Hills Volcanic Field, California and Nevada
Edward A. du Bray, David A. John, Brian L. Cousens, Leslie A. Hayden, and Peter G. Vikre
REGULAR ARTICLE
678
Recognizing sulfate and phosphate complexes chemisorbed onto nanophase weathering products on Mars using in-situ and remote observations
Elizabeth B. Rampe, Richard V. Morris, P. Douglas Archer Jr., David G. Agresti, and Douglas W. Ming
690
Crystallographic orientation relationships in host–inclusion systems: New insights from large EBSD data sets
Thomas A. Griffiths, Gerlinde Habler, and Rainer Abart
706
In-situ infrared spectroscopic studies of hydroxyl in amphiboles at high pressure
Elizabeth C. Thompson, Andrew J. Campbell, and Zhenxian Liu
713
Confined water in tunnel nanopores of sepiolite: Insights from molecular simulations
Jinhong Zhou, Xiancai Lu, and Edo S. Boek
719
Equation of state of the high-pressure Fe3O4 phase and a new structural transition at 70 GPa
Angele Ricolleau and Yingwei Fei
726
Reflectance spectroscopy of chromium-bearing spinel with application to recent orbital data from the Moon
Kelsey B. Williams, Colin R.M. Jackson, Leah C. Cheek, Kerri L. Donaldson-Hanna, Stephen W. Parman, Carle M. Pieters, M. Darby Dyar, and Tabb C. Prissel
735
Temperature dependences of the hyperfine parameters of Fe2+ in FeTiO3 as determined by 57Fe-Mössbauer spectroscopy
Antoine Van Alboom and Eddy De Grave
NEW MINERALS
748
New Mineral Names
DEPOSIT ITEMS
564
Multi-stage barite crystallization in partially melted UHP eclogite from the Sulu belt, China
Songjie Wang, Lu Wang, Michael Brown, and Peng Feng
580
Crystal chemistry of spinels in the system MgAl2O4-MgV2O4-Mg2VO4
Ferdinando Bosi, Henrik Skogby, Rosa Anna Fregola, and Ulf Hålenius
596
Evidence for dissolution-reprecipitation of apatite and preferential LREE mobility in carbonatite-derived late-stage hydrothermal processes
Sam Broom-Fendley, Mike T. Styles, J. Don Appleton, Gus Gunn, and Frances Wall
612
Compositional variation of apatite from rift-related alkaline igneous rocks of the Gardar Province, South Greenland
Sara Ladenburger, Michael A.W. Marks, Brian Upton, Peter Hill, Thomas Wenzel, and Gregor Markl
627
Dynamics and thermodynamics of magma mixing: Insights from a simple exploratory model
Frank J. Spera, Jason S. Schmidt, Wendy A. Bohrson, and Guy A. Brown
644
Geochemistry, petrologic evolution, and ore deposits of the Miocene Bodie Hills Volcanic Field, California and Nevada
Edward A. du Bray, David A. John, Brian L. Cousens, Leslie A. Hayden, and Peter G. Vikre
Supplemental Data, Supplemental Tables 1–2 and Supplemental Figures 1–56
AM-16-35440.zip zipped
690
Crystallographic orientation relationships in host–inclusion systems: New insights from large EBSD data sets
Thomas A. Griffiths, Gerlinde Habler, and Rainer Abart
706
In-situ infrared spectroscopic studies of hydroxyl in amphiboles at high pressure
Elizabeth C. Thompson, Andrew J. Campbell, and Zhenxian Liu
726
Reflectance spectroscopy of chromium-bearing spinel with application to recent orbital data from the Moon
Kelsey B. Williams, Colin R.M. Jackson, Leah C. Cheek, Kerri L. Donaldson-Hanna, Stephen W. Parman, Carle M. Pieters, M. Darby Dyar, and Tabb C. Prissel
735
Temperature dependences of the hyperfine parameters of Fe2+ in FeTiO3 as determined by 57Fe-Mössbauer spectroscopy
Antoine Van Alboom and Eddy De Grave
744
Accurate predictions of iron redox state in silicate glasses: A multivariate approach using X-ray absorption spectroscopy
M. Darby Dyar, Molly McCanta, Elly Breves, C.J. Carey, and Antonio Lanzirotti

Table of Contents
AmMin submission to acceptance/”first publication” is at a record average of about three to four months. Our acceptance to “final” publication is presently another 13 months on average.

Special Collections
American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.