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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
Experimental tests on achieving equilibrium in synthetic fluid inclusions: results for scheelite, molybdenite and gold solubility at 800°C and 200 MPaInsa T. Derrey, Moritz Albrecht, Evgeniya Dupliy, Roman E. Botcharnikov, Ingo Horn, Malte Junge, Stefan Weyer, and François Holtz10.2138/am-2017-5869preprint
Geochemical and radiogenic isotope probes of Ischia volcano, Southern Italy: constraints on magma chamber dynamics and residence timeMartina Casalini, Riccardo Avanzinelli, Arnd Heumann, Sandro de Vita, Fabio Sansivero, Sandro Conticelli, and Simone Tommasini10.2138/am-2017-5724preprint
Kegginite, Pb3Ca3[AsV12O40(VO)]·20H2O, a new mineral with a novel ε-isomer of the Keggin anionAnthony R. Kampf, John M. Hughes, Barbara P. Nash, and Joe Marty10.2138/am-2017-5834preprint
Mineralogy and Chemistry of San Carlos High-Alkali Basalts: Analyses of Alteration with Application for Mars ExplorationBryné A. Hadnott, Bethany L. Ehlmann, and Bradley L. Jolliff10.2138/am-2017-5608preprint
SiC-dominated ultra-reduced mineral assemblage in carbonatitic xenoliths from the Dalihu basalt, Inner Mongolia, ChinaDetao He, Yongsheng Liu, Changgui Gao, Chunfei Chen, Zhaochu Hu, and Shan Gao10.2138/am-2017-5721preprint
An integrated EPMA-EBSD study of metamorphic histories recorded in garnetMasaki Enami, Takayoshi Nagaya, and Maw Maw Win10.2138/am-2017-5666preprint
Oxygen Isotope Geochemistry of Mafic Phenocrysts in Primitive Mafic Lavas from the Southernmost Cascade Range, CaliforniaS. J. Underwood and M. A. Clynne10.2138/am-2017-5588CCBYpreprint
Plastic deformation and post-deformation annealing in chromite: mechanisms and implicationsBiswajit Ghosh, Santanu Misra, and Tomoaki Morishita10.2138/am-2017-5709preprint
The S content of silicate melts at sulfide saturation: new experiments and a model incorporating the effects of sulfide compositionDuane J. Smythe, Bernard J. Wood, and Ekaterina S. Kiseeva10.2138/am-2017-5800CCBYpreprint
Wishstone to Watchtower: Amorphous alteration of plagioclase-rich rocks in Gusev crater, MarsSteven W. Ruff and Victoria E. Hamilton10.2138/am-2017-5618preprint
Ab initio study of the structure and stability of CaMg(CO3)2 at high pressureNatalia V. Solomatova and Paul D. Asimow10.2138/am-2017-5830preprint
Collapsing minerals: Crackling noise of sandstone and coal, and the predictability of mining accidentsXiang Jiang, Deyi Jiang, Jie Chen, and Ekhard K. H. Salje10.2138/am-2017-5809preprint
Effect of composition on compressibility of skiagite-Fe-majorite garnetLeyla Ismailova, Maxim Bykov, Elena Bykova, Andrei Bobrov, Ilya Kupenko, Valerio Cerantola, Denis Vasiukov, Natalia Dubrovinskaia, Catherine McCammon, Michael Hanfland, Konstantin Glazyrin, Hanns-Peter Liermann, Alexander Chumakov, and Leonid Dubrovinsky10.2138/am-2017-5856preprint
Apatite trace element and isotope applications to petrogenesis and provenanceEmilie Bruand, Mike Fowler, Craig Storey, and James Darling10.2138/am-2017-5744preprint
Carbon as the dominant light element in the lunar coreEdgar S. Steenstra, Yanhao Lin, Nachiketa Rai, Max Jansen, and Wim van Westrenen10.2138/am-2017-5727preprint
Formation of phosphorus-rich olivine in Dar al Gani 978 carbonaceous chondrite through fluid-assisted metamorphismYang Li, Ai-Cheng Zhang, Jia-Ni Chen, Li-Xin Gu, and Ru-Cheng Wang10.2138/am-2017-5881preprint
Synthetic potassic-ferro-richterite: 2. Single-crystal HT-FTIR spectroscopy and hints on the deprotonation process of Fe-dominant amphibolesGiancarlo Della Ventura, Umberto Susta, Fabio Bellatreccia, Augusto Marcelli, Günther J. Redhammer, and Roberta Oberti10.2138/am-2017-5859preprint
Dissolving dolomite in a stable UHP mineral assemblage: evidence from Cal-Dol marbles of the Dora-Maira Massif (Italian Western Alps)Simona Ferrando, Chiara Groppo, Maria Luce Frezzotti, Daniele Castelli, and Alexander Proyer10.2138/am-2017-5761preprint
Formation of the ferruginous smectite SWa-1 by alteration of soil claysLeslie L. Baker10.2138/am-2017-5735preprint
Hydroxyl, Cl, and F Partitioning Between High-Silica Rhyolitic Melts-Apatite-Fluid(s) at 50-200 MPa and 700-1000 °CJames D. Webster, Beth A. Goldoff, Ryan N. Flesch, Patricia A. Nadeau, and Zachary W. Silbert10.2138/am-2017-5746preprint
Infrared Spectra of Carbonate Apatites: Interpretation of Complex Asymmetric Stretch (ν3) RegionMichael E. Fleet10.2138/am-2017-5704preprint
The crystal structure of nickelskutterudite, (Ni,Co,Fe)As3, and occupancy of the icosahedral cation site in the skutterudite groupBenjamin N. Schumer, Marcelo B. Andrade, Stanley H. Evans, and Robert T. Downs10.2138/am-2017-5615preprint
The replacement of a carbonate rock by fluorite: kinetics and microstructureElisabete Trindade Pedrosa, Lena Boeck, Christine V. Putnis, and Andrew Putnis10.2138/am-2017-5725preprint
Cobalt Mineral EcologyRobert M. Hazen, Grethe Hystad, Joshua J. Golden, Daniel R. Hummer, Chao Liu, Robert T. Downs, Shaunna M. Morrison, Jolyon Ralph, and Edward S. Grew10.2138/am-2017-5798preprint
Dissolution-reprecipitation and self-assembly of serpentine nanoparticles preceding chrysotile formation: Insights into the structure of proto serpentineRomain Lafay, Alejandro Fernandez-Martinez, German Montes Hernandez, Anne Line Auzende, and Agnieszka Poulain10.2138/am-2016-5772preprint
Experimental investigation into the substitution mechanisms and solubility of Ti in garnetMichael R. Ackerson, E. Bruce Watson, Nicholas D. Tailby, and Frank S. Spear10.2138/am-2017-5632preprint
Periodic Activity in Continental Magmatic ArcsP.G. DeCelles10.2138/am-2016-5908preprint
XAFS Spectroscopic Study of Ti Coordination in GarnetMichael R. Ackerson, Nicholas D. Tailby, and E. Bruce Watson10.2138/am-2017-5633preprint
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
Statistical Petrology Reveals a Link Between Supercontinents Cycle and Mantle Global ClimateJérôme Ganne, Xiaojun Feng, Patrice Rey, and Vincent De Andrade10.2138/am-2016-5868preprint
Structural incorporation of W6+ into hematite and goethite: a combined study of natural and synthetic iron oxides developed from precursor ferrihydriteStefan Kreißl, Ralph Bolanz, Jörg Göttlicherc, Ralph Steiningerc, Mihail Tarassovd, and Gregor Markl10.2138/am-2016-5690preprint
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
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
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
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-2017-5807preprint
Fluids and trace element transport in subduction zonesHans Keppler10.2138/am-2017-5716preprint
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
Na-P Concentrations in High-Pressure Garnets: A Potentially Rich, But Risky P-T RepositoryWilliam Glassley10.2138/am-2016-5845preprint
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
Silicic Magma Reservoirs in the Earth’s CrustOlivier Bachmann and Christian Huber10.2138/am-2016-5675preprint
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