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Welcome to the American Mineralogist preprint page. Recently all preprints have been made open to all readers. These preprints are unedited manuscritps accepted for publication that will undergo copyediting, layout, and review of the proof before being published. Always consult the final, published document as a good practice. Remember to have your institution subscribe to American Mineralogist! Note that individual online subscriptions are via membership in MSA (and members get free online color in their paper) -- check out all the info via the pull-down links above including how to be an author and submit your paper.

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Please cite these papers: Authors (Year) Title. American Mineralogist, in press. DOI.(DOI is live when article is live.)

Title Authors Future DOI Link
An alternative method of calculating cleavage energy: the effect of compositional domains in micasMaria Franca Brigatti, Chiara Elmi, Stephen Guggenheim, Daniele Malferrari, and Marco Poppi10.2138/am-2016-5828preprint
An improved clinopyroxene-based hygrometer for Etnean magmas and implications for eruption triggering mechanismsCristina Perinelli, Silvio Mollo, Mario Gaeta, Serena Pia De Cristofaro, Danilo M. Palladino, Pietro Armienti, Piergiorgio Scarlato, and Keith D. Putirka10.2138/am-2016-5916preprint
Hydrothermal mineral replacement reactions for an apatite-monazite assemblage in alkali-rich fluids at 300 – 600 °C and 100 MPaWladyslaw B. Betkowski, Daniel E. Harlov, and John F. Rakovan10.2138/am-2016-5765preprint
High-pressure compressibility and vibrational properties of (Ca,Mn)CO3Jin Liu, Razvan Caracas, Dawei Fan, Ema Bobocioiu, Dongzhou Zhang, and Wendy L. Mao10.2138/am-2016-5742preprint
Influence of grain size, water and deformation on dolomite reaction rim formationVanessa Helpa, Erik Rybacki, Luiz Fernando Grafuhla Morales, and Georg Dresen10.2138/am-2016-5580preprint
The role of Fe content on the Fe-Mg exchange reaction in augiteM. Murri, L. Scandolo, A.M. Fioretti, F. Nestola, M.C. Domeneghetti, and M. Alvaro10.2138/am-2016-5717preprint
Transformation of pyrite to pyrrhotite in the presence of Au-Ag alloys at 500ºCGalina Palyanova, Konstantin Kokh, and Yurii Seryotkin10.2138/am-2016-5808preprint
A Mineralogical View of Apatitic BiomaterialsJill Dill Pasteris10.2138/am-2016-5732preprint
Melts, Mush and More: Evidence for the State of Intermediate-to-Silicic Arc Magmatic SystemsErik W. Klemetti10.2138/am-2016-5914preprint
Radionuclide Removal by ApatiteMark J. Rigali, Patrick V. Brady and Robert C. Moore10.2138/am-2016-5769preprint
Electron diffraction determination of 11.5 Å and HySo structures: candidate water carriers to the Upper MantleMauro Gemmi, Marco Merlini, Lukáš Palatinus, Patrizia Fumagalli, and Michael Hanfland10.2138/am-2016-5722preprint
Growth of hydrothermal baddeleyite and zircon in different stages of skarnizationWen Winston Zhao, Mei-Fu Zhou, and Wei Terry Chen10.2138/am-2016-5706preprint
Magnetite exsolution in ilmenite from the Fe-Ti oxide gabbro in the Xinjie intrusion, SW ChinaWei Tan, Hongping He, Christina Yan Wang, Huan Dong, Xiaoliang Liang, and Jianxi Zhu10.2138/am-2016-5688preprint
Raman spectroscopy of siderite at high pressure: Evidence for a sharp spin transitionJan Müller, Sergio Speziale, Ilias Efthimiopoulos, Sandro Jahn, and Monika Koch-Müller10.2138/am-2016-5708preprint
Sub-Micron-Scale Spatial Heterogeneity in Silicate Glasses Using Aberration-Corrected Scanning Transmission Electron MicroscopyKatherine D. Burgess, Rhonda M. Stroud, M. Darby Dyar, and Molly C. McCanta10.2138/am-2016-5696preprint
Further Observations Related To A Possible Occurrence Of Terrestrial AhrensiteWilliam E. Glassley, John A. Korstgård, and Kai Sørensen10.2138/am-2016-5899preprint
In situ X-ray observation of 10Å phase stability at high pressureSergey V. Rashchenko, Seiji Kamada, Naohisa Hirao, Konstantin D. Litasov, and Eiji Ohtani10.2138/am-2016-5764preprint
Influence of the octahedral cationic-site occupancies on the framework vibrations of Li-free tourmalinesAnke Watenphul, Jochen Schlüter, Ferdinando Bosi, Henrik Skogby, Thomas Malcherek, and Boriana Mihailova10.2138/am-2016-5820preprint
In situ elemental and isotopic analysis of fluorapatite from the Taocun magnetite-apatite deposit, Eastern China: Constraints on fluid metasomatismLi-Ping Zeng, Xin-Fu Zhao, Xiao-Chun Li, Hao Hu, and Christopher McFarlane10.2138/am-2016-5743preprint
Acido-thermotolerant fungi from Boiling Springs Lake, LVNP: potential for lignocellulosic biofuelsBryan Ervin and Gordon Wolfe10.2138/am-2016-5552preprint
Chemical zoning and lattice distortion in radiogenically modified minerals: uraninite from Olympic Dam Cu-U-Au-Ag deposit, South AustraliaEdeltraud Macmillan, Cristiana L. Ciobanu, Kathy Ehrig, Nigel J. Cook, and Allan Pring10.2138/am-2016-5753preprint
Formation of hydrous stishovite from coesite in high pressure hydrothermal environmentsKristina Spektor, Johanna Nylen, Renny Mathew, Mattias Edén, Emil Stoyanov, Alexandra Navrotsky, Kurt Leinenweber, and Ulrich Häussermann10.2138/am-2016-5609preprint
Phosphate minerals in the H group of ordinary chondrites, and fluid activity recorded by apatite heterogeneity in the Zag H3-6 regolith brecciaRhian H. Jones, Francis M. McCubbin, and Yunbin Guan10.2138/am-2016-5728preprint
Research Highlight: Study on nanophase iron oxyhydroxides in freshwater ferromanganese nodules from Green Bay, Lake Michigan by Seungyeol Lee, Zhizhang Shen, and Huifang XuMichael Schindler10.2138/am-2016-5893preprint
Error sources in single-clinopyroxene thermobarometry and a mantle geotherm for the Novinka kimberlite, YakutiaLuca Ziberna, Paolo Nimis, Dmitry Kuzmin, and Vladimir G. Malkovets10.2138/am-2016-5540preprint
Ideal Wollastonite and the Structural Relationship between the Pyroxenoids and PyroxenesRichard M. Thompson, Hexiong Yang, and Robert T. Downs10.2138/am-2016-5683preprint
Petrogenesis of antecryst-bearing arc basalts from the Trans-Mexican Volcanic Belt: insights into along-arc variations in magma-mush ponding depths, H2O contents, and surface heat fluxGeorg F. Zellmer, Mattia Pistone, Yoshiyuki Iizuka, Benjamin J. Andrews, Arturo Gomez-Tuena, Susanne M. Straub, and Elizabeth Cottrell10.2138/am-2016-5701preprint
Quantification of CO2 concentration in apatiteKathryn Clark, Youxue Zhang, and Fabian U. Naab10.2138/am-2016-5661preprint
Solid solution along the synthetic LiAlSi2O6 (spodumene) – LiFeSi2O6 (ferri-spodumene) join: a general picture of solid solutions, bond lengths, lattice strains, steric effects, symmetries and chemical compositiGianluca Iezzi, Geoffrey D. Bromiley, Andrea Cavallo, Partha P. Das, Fotini Karavassili, Irene Margiolaki, Andrew A. Stewart, Mario Tribaudino, and Jonathan P. Wright10.2138/am-2016-5784preprint
U-Pb LA-ICP-MS dating of apatite in mafic rocks: evidence for a major magmatic event at the Devonian-Carboniferous boundary in the Armorican Massif (France)Anthony Pochon, Marc Poujol, Eric Gloaguen, Yannick Branquet, Florence Cagnard, Charles Gumiaux, and Denis Gapais10.2138/am-2016-5736preprint
Wayneburnhamite, Pb9Ca6(Si2O7)3(SiO4)3, an apatite polysome – the Mn-free analogue of ganomalite from Crestmore, CaliforniaAnthony R. Kampf, Robert M. Housley, and George R. Rossman10.2138/am-2016-5844preprint
Raman characterization of synthetic magnesian calcitesJonathan Perrina, Daniel Vielzeua, Didier Laportb, Angèle Ricolleaa, George R Rossman, and Nicole Floquet10.2138/am-2016-5714preprint
The enigma of labradorite feldspar with incommensurately modulated structure, solvedShiyun Jin and Huifang Xu10.2138/am-2016-5807preprint
Experimental evidence of the formation of intermediate phases during transition of kaolinite into metakaoliniteVictor A. Drits, Arkadiusz Derkowski, Boris A. Sakharov, and Bella B. Zviagina10.2138/am-2016-5776preprint
Fe-Mg interdiffusion in orthopyroxeneRalf Dohmen, Jan H. Ter Heege, Hans-Werner Becker, and Sumit Chakraborty10.2138/am-2016-5815preprint
Fluids and trace element transport in subduction zonesHans Keppler10.2138/am-2016-5716preprint
Styles of aqueous alteration on MarsEdward A. Cloutis10.2138/am-2016-5866preprint
A novel protocol for resolving feldspar crystals in synchrotron X-ray microtomographic images of crystallized natural magmas and synthetic analoguesFabio Arzilli, Margherita Polacci, Patrizia Landi, Daniele Giordano, Don R. Baker, and Mancini Lucia10.2138/am-2016-5788preprint
Empirical electronic polarizabilities of ions for the prediction and interpretation of refractive indices. I. oxides and oxysaltsRobert D. Shannon and Reinhard X. Fischer10.2138/am-2016-5730preprint
Protolith carbon isotope ratios in cordierite from metamorphic and igneous rocksWilliam H. Peck10.2138/am-2016-5767preprint
Silicic Lunar Volcanism: Testing the Crustal Melting ModelAmber L. Gullikson, Justin J. Hagerty, Mary R. Reid, Jennifer F. Rapp, and David S. Draper10.2138/am-2016-5619preprint
A new experimental approach to study fluid – rock equilibria at the slab-mantle interface based on the synthetic fluid inclusion techniqueAlexandra Tsay, Zoltan Zajacz, Peter Ulmer, Markus Waelle, and Carmen Sanchez-Valle10.2138/am-2016-5621preprint
Association of cumulus apatite with compositionally unusual olivine and plagioclase in the Taihe Fe-Ti oxide ore-bearing layered mafic-ultramafic intrusion: Petrogenetic significance and implications for ore genesisZhong-Jie Bai, Hong Zhong, Chusi Lb, Wei-Guang Zhu, and Wen-Jun Hu10.2138/am-2016-5577preprint
Comparison of Isoelectric Points of Single-Crystal and Polycrystalline α-Al2O3 and α-Fe2O3 SurfacesYingge Wang, Per Persson, F. Marc Michel, and Gordon E. Brown, Jr.10.2138/am-2016-5531preprint
Multi-scale 3-dimensional characterisation of iron particles in dusty olivine: implications for paleomagnetism of chondritic meteoritesJoshua F. Einsle, Richard J. Harrison, Takeshi Kasama, Pádraig Ó Conbhuí, Karl Fabian, Wyn Williams, Leonie Woodland, Roger R. Fu, Benjamin P. Weiss, and Paul A. Midgley10.2138/am-2016-5738CCBYpreprint
Nucleation Rates of Spherulites in Natural Rhyolitic LavaJames E. Gardner, Kenneth S. Befus, James M. Watkins, and Travis Clow10.2138/am-2016-5624preprint
Physical basis of trace element partitioning: A reviewShun-ichiro Karato10.2138/am-2016-5665preprint
Transition Metals in the Transition Zone: Crystal Chemistry of Minor Element Substitution in WadsleyiteLi Zhang, Joseph R. Smyth, Julien Allaz, Takaaki Kawazoe, Steven D. Jacobsen, and Zhenmin Jin10.2138/am-2016-5681preprint
Visible and short wave infrared reflectance spectroscopy of REE phosphate mineralsDavid J. Turner, Benoit Rivard, and Lee A. Groat10.2138/am-2016-5692preprint
Experimental hydration of natural volcanic clinopyroxene phenocrysts under hydrothermal pressures (0.5 – 3 kbar)Franz A. Weis10.2138/am-2016-5711CCBYNCNDpreprint
Gaussian thermoluminescence in long-range disordered K-feldsparLuis Sánchez-Muñoz, Javier García-Guinea, Peter D. Townsend, Tjipto Juwono, and Ana Cremades10.2138/am-2016-5697preprint
Graphite-Diamond Relations in Mantle Rocks: Evidence from an Eclogitic Xenolith from the Udachnaya Kimberlite (Siberian Craton)Denis S. Mikhailenkoa and Andrey V. Korsakova, Pavel S. Zelenovskiy, and Alexander V. Golovina10.2138/am-2016-5657preprint
Repeated, multiscale, magmatic erosion and recycling in an upper-crustal pluton: implications for magma chamber dynamics and magma volume estimatesScott Paterson, Valbone Memeti, Roland Mundil, and Jiří Žák10.2138/am-2016-5576preprint
Temporal histories of Cordilleran continental arcs: testing models for magmatic episodicityMoritz Kirsch, Scott R. Paterson, Florian Wobbe, Ana María Martínez Ardila, Benjamin L. Clausen, and Pablo H. Alasino10.2138/am-2016-5718preprint
Magnetite plaquettes are naturally asymmetric materials in meteoritesQueenie H. S. Chan, Michael E. Zolensky, James E. Martinez, Akira Tsuchiyama, and Akira Miyake10.2138/am-2016-5604preprint
Na-P Concentrations in High-Pressure Garnets: A Potentially Rich, But Risky P-T RepositoryWilliam Glassley10.2138/am-2016-5845preprint
Synthetic Olivine Capsules for use in ExperimentsWilliam Nash, Duane Smythe, and Bernard J. Wood10.2138/am-2016-5549CCBYNCNDpreprint
The effects of shear deformation on planetesimal core segregation: Results from in-situ Xray micro-tomographyKasey A. Todd, Heather C. Watson, Tony Yu, and Yanbin Wang10.2138/am-2016-5474preprint
From bone to fossil: a review of the diagenesis of bioapatiteSarah W. Keenan10.2138/am-2016-5737preprint
Rare Earth Perovskites along the CaTiO3 - Na0.5La0.5TiO3 join: Phase Transitions, Formation Enthalpies, and Implications for Loparite MineralsDawei Feng, Radha Shivaramaiah, and Alexandra Navrotsky10.2138/am-2016-5740CCBYNCNDpreprint
Study on nanophase iron oxyhydroxides in freshwater ferromanganese nodules from Green Bay, Lake MichiganSeungyeol Lee, Zhizhang Shen, and Huifang Xu10.2138/am-2016-5729preprint
VNIR Multispectral Observations of Aqueous Alteration Materials by the Pancams on the Spirit and Opportunity Mars Exploration RoversWilliam H. Farrand, Jeffrey R. Johnson, Melissa S. Rice, Alian Wang, and James F. Bell III10.2138/am-2016-5627preprint
Carlsonite, (NH4)5Fe3+ 3O(SO4)6·7H2O, and huizingite-(Al), (NH4)9Al3(SO4)8(OH)2·4H2O, two new mineralAnthony R. Kampf, R. Peter Richards, Barbara P. Nash, James B. Murowchick, and John F. Rakovan10.2138/am-2016-5680preprint
Experimental investigation of the kinetics of the spinel-to-garnet transformation in peridotite: a preliminary studyMaiko Nagayoshi, Tomoaki Kubo, and Takumi Kato10.2138/am-2016-5586preprint
Experimental simulation of bubble nucleation and magma ascent in basaltic systems: implications for Stromboli volcanoNolwenn Le Gall and Michel Pichavant10.2138/am-2016-5639preprint
Kinetics of Fe(III) mineral crystallization from ferrihydrite in the presence of Si at alkaline conditionsPaul Clarence M. Francisco, Tsutomu Sato, Tsubasa Otake, and Takeshi Kasama10.2138/am-2016-5589preprint
Nickel – Cobalt Contents of Olivine Record Origins of Mantle Peridotite and Related RocksClaude Herzberg, Christopher Vidito, and Natalie A. Starkey10.2138/am-2016-5538preprint
Thermodynamics, self-diffusion, and structure of liquid NaAlSi3O8 to 30 GPa by classical molecular dynamics simulationsRyan T. Neilson, Frank J. Spera, and Mark S. Ghiorso10.2138/am-2016-5486preprint
Vránaite, ideally Al16B4Si4O38, a new mineral related to boralsilite, Al16B6Si2O37, from the Manjaka pegmatite, Sahatany Valley, MadagascarJan Cempírek, Edward S. Grew, Anthony R. Kampf, Chi Ma, Milan Novák, Petr Gadas, Radek Škoda, Michaela Vašinová-Galiová, Federico Pezzotta, Lee A. Groat, and Sergey V. Krivovichev10.2138/am-2016-5686preprint
Alunite on MarsKathleen C. Benison10.2138/am-2016-5802preprint
New evidence for lunar basalt metasomatism by underlying regolithJohn F. Pernet-Fisher10.2138/am-2016-5790preprint
Redox Variations in the Inner Solar System With New Constraints From Vanadium Xanes in SpinelsK. Righter, S. Sutton, L. Danielson, K. Pando, and M. Newville10.2138/am-2016-5638preprint
Silicic Magma Reservoirs in the Earth’s CrustOlivier Bachmann and Christian Huber10.2138/am-2016-5675preprint
Modeling dislocation 1 glide and lattice friction in Mg2SiO4 wadsleyite in conditions of the Earth’s transition zoneSebastian Ritterbex, Philippe Carrez, and Patrick Cordier10.2138/am-2016-5578CCBYNCNDpreprint
Discovery of Alunite in Cross Crater, Terra Sirenum, Mars: Evidence for Acidic, Sulfurous WatersBethany L. Ehlmann, Gregg A. Swayze, Ralph E. Milliken, John F. Mustard, Roger N. Clark, Scott L. Murchie, George N. Breit, James J. Wray, Brigitte Gondet, Francois Poulet, John Carter, Wendy M. Calvin, William M. Benzel, and Kimberly D. Seelos10.2138/am-2016-5574preprint
Accurate predictions of iron redox state in silicate glasses: A multivariate approach using x-ray absorption spectroscopyM. Darby Dyar, Molly Mccanta, Elly Breves, Cj Carey, and Antonio Lanzirotti10.2138/am-2016-5555preprint
In-situ infrared spectroscopic studies of hydroxyl in amphiboles at high pressureElizabeth C. Thompson, Andrew J. Campbell, and Zhenxian Liu10.2138/am-2016-5465preprint
Reflectance Spectroscopy of Chromium-bearing Spinel with Application to Recent Orbital Data from the MoonK.B. Williams, C.R.M. Jackson, L.C. Cheek, K.L. Donaldson Hanna, S.W. Parman, C.M. Pieters, M.D. Dyar, and T.C. Prissel10.2138/am-2016-5535preprint
Temperature dependences of the hyperfine parameters of Fe2+ in FeTiO3 as determined by 57Fe-Mössbauer spectroscopyAntoine Van Alboom and Eddy De Grave10.2138/am-2016-5262preprint
Recognizing sulfate and phosphate complexes chemisorbed onto nanophase weathering products on Mars using in-situ and remote observationsElizabeth B. Rampe, Richard V. Morris, P. Douglas Archer, Jr., David G. Agresti, and Douglas W. Ming10.2138/am-2016-5408CCBYNCNDpreprint