American Mineralogist Contact Us    Facebook Preprints

Papers in Press


The information in these preprints is subject to change. These preprints are unedited manuscripts accepted for publication that will undergo copyediting, layout, and review of the proof before being published. Always consult the final, published document. All legal disclaimers that apply to the journal apply to these preprints.

No corrections to these documents will be permitted, but the authors can contact to have the preprint removed. The preprint is automatically deleted when the issue in which it appears is in print or posted online.

Preprints will open for MSA members and subscribing institutions with IP access. For subscription information see the MSA web site.

Please cite these papers: Authors (year) title. American Mineralogist, in press. DOI

Title Authors Link

Weathering of the Ethiopian volcanic province: A new weathering index to characterize and compare soils Jennifer S. Le Blond, Javier Cuadros, Yordanos B. Molla, Tadesse Berhanu, Mohammed Umer, Peter J. Baxter, and Gail Davey preprint

Intermediate Members of the Lime-Monteponite Solid Solutions (Ca1-xCdxO, x = 0.36-0.55): Discovery in Natural Occurrence Hani N. Khoury, Ella V. Sokol, Svetlana N.Kokh, Yurii V. Seryotkin, Olga A. Kozmenko, Sergey V. Goryainov, and Ian D. Clark preprint

FTIR Spectroscopy of D2O and HDO Molecules in the c-axis Channels of Synthetic Beryl Rudolf I. Mashkovtsev, Viktor G. Thomas, Dmitry A. Fursenko, Elena S. Zhukova, Vladimir V.Uskov, and Boris P. Gorshunovs preprint

A Spin on Lower Mantle Mineralogy Jeffrey S. Pigott preprint

The deep continental crust has a larger Mg isotopic variation than previously thought Zhao-Feng Zhang preprint

Influence of organic matter on smectite illitization: a comparison between red and dark mudstones from the Dongying Depression, China Yingli Li, Jingong Cai, Mingshui Song, Junfeng Ji, and Yujin Bao preprint

Ca-Al-silicate inclusions in natural moissanite (SiC) Simonpietro Di Pierro and Edwin Gnos preprint

Timescales of magma storage and migration recorded by olivine crystals in basalts of the March-April 2010 eruption at Eyjafjallajökull volcano, Iceland Marco Viccaro, Marisa Giuffrida, Eugenio Nicotra, and Renato Cristofolini preprint

Ab initio investigation of majorite and pyrope garnets: Lattice dynamics and vibrational spectra Marco De La Pierre and Donato Belmonte preprint

Thermal, compositional, and compressional demagnetization of cementite David Walker, Jie Li, Bora Kalkan, and Simon M. Clark preprint

Exploring the potential of Raman spectroscopy for crystallochemical analyses of complex hydrous silicates: I. Amphiboles Lisa Leißner, Jochen Schlüter, Ingo Horn, and Boriana Mihailova preprint

Quasicrystals at extreme conditions: The role of pressure in stabilizing icosahedral Al63Cu24Fe13 at high temperature Vincenzo Stagno, Luca Bindi, Changyong Park, Sergey Tkachev, Vitali B. Prakapenka, H.-K. Mao, Russell J. Hemley, Paul J. Steinhardt, and Yingwei Fei preprint

Apexite, NaMg(PO4)·9H2O, a new struvite-type phase with a heteropolyhedral cluster Anthony R. Kampf, Stuart J. Mills, Barbara P. Nash, Martin Jensen, and Tony Nikischer preprint

Ilmenite-magnetite-spinel spheroids in a garnetite layer associated with eclogite and garnet peridotite, Blanský les Granulite Massif, Czech Republic, are melt droplets Stanislav Vrána, Lukáš Ackerman, Vojtěch Erban, and Patricie Halodová preprint

K-Bentonites: A Review Warren D. Huff preprint

When Was the Earth’s Conveyor Belt Set in Motion? Igor S. Puchtel preprint

High-pressure spectroscopic study of siderite (FeCO3) with focus on spin crossover Valerio Cerantola, Catherine McCammon, Ilya Kupenko, Innokentiy Kantor, Carlo Marini, Max Wilke, Leyla Ismailova, Natalia Solopova, Aleksandr I. Chumakov, Sakura Pascarelli, and Leonid Dubrovinsky preprint

Phosphoran olivine overgrowths: Implications for multiple impacts to the Main Group pallasite parent body Neva A. Fowler-Gerace and Kimberly T. Tait preprint

Magnetite-rutile symplectite derived from ilmenite-hematite solid solution in the Xinjie Fe-Ti oxide-bearing, mafic-ultramafic layered intrusion (SW China) Wei Tan, Christina Yan Wang, Hongping He, Changming Xing, Xiaoliang Liang, and Huan Dong preprint

Mineralogical characterization of individual growth structures of Mn-nodules with different Ni+Cu content from the central Pacific Ocean Anna V. Wegorzewski, Thomas Kuhn, Reiner Dohrmann, Richert Wirth, and Sylvain Grangeon preprint

Determination of the full elastic tensor of single crystals using shear wave velocities by Brillouin spectroscopy Dawei Fan, Zhu Mao, Jing Yang, and Jung-Fu Lin preprint

Temperature dependence of the velocity-density relation for liquid metals under high pressure: implications for the Earth’s outer core Tetsuya Komabayashi, Jinya Kato, Kei Hirose, Satoshi Tsutsui, Saori Imada, Yoichi Nakajima, and Alfred Q. R. Baron preprint

Mineralogical evolution of Fe−Si-rich layers at the olivine-water interface during carbonation reactions Giuseppe D. Saldi, Damien Daval, Hua Guo, François Guyot, Sylvain Bernard, Corentin Le Guillou, James A. Davis, and Kevin G. Knauss preprint

Pathways for Nitrogen Cycling in Earth’s Crust and Upper Mantle: A Review and New Results for Microporous Beryl and Cordierite Gray E. Bebout, Kris E. Lazzeri, and Charles A. Geiger preprint

Tracking the thermal decomposition of plasma-sprayed hydroxylapatite Robert B. Heimann preprint

Diffusion of phosphorus in olivine and molten basalt E.B. Watson, D.J. Cherniak, and M.E. Holycross preprint

Stable and metastable silicate liquid immiscibility in ferrobasalts Bernard Charlier preprint

Hydrogrossular, Ca3Al2(SiO4)3x(H4O4)x: An Ab initio Investigation of its Structural and Energetic Properties Valentina Lacivita, Agnes Mahmoud, Alessandro Erba, Philippe D’Arco, and Sami Mustapha preprint

Earth’s “missing” minerals Robert M. Hazen, Grethe Hystad, Robert T. Downs, Joshua Golden, Alex J. Pires, and Edward S. Grew preprint

The magma plumbing system of the Emeishan large igneous province and its role in basaltic magma differentiation in a continental setting Yan Tao, Keith Putirk, Rui-Zhong Hu, and Chusi Li preprint

The accretion and differentiation of Earth under oxidizing conditions R. Bastian Georg Anat Shahar preprint

The axial ratio of hcp Fe and Fe–Ni–Si alloys to the conditions of Earth’s inner core Rebecca A. Fischer and Andrew J. Campbell preprint

Micro and nano-characterization of Zn-clays in nonsulfide supergene ores of southern Peru Nicola Mondillo, Fernando Nieto, and Giuseppina Balassone preprint

Experimental constraints on bubble formation and growth during magma ascent: A Review Adrian Fiege and Sarah B. Cichy preprint

The mechanism of infiltration of metamorphic fluids recorded by hydration and carbonation of epidote-amphibolite facies metabasaltic sills in the SW Scottish Barbara I. Kleine, Iain K. Pitcairn, and Alasdair D.L. Skelton preprint

Trace element partitioning into sulfide: how lithophile elements become chalcophile and vice versa Bernard J. Wood and Ekaterina S. Kiseeva preprint

Direct and Indirect Evidence for Free Oxygen (O2-) in MO-Silicate Glasses and Melts (M = Mg, Ca, Pb) H.Wayne Nesbitt, G.Michael Bancroft, Grant S. Henderson, Ryan Sawyer, and Richard A. Secco preprint

Investigations on alunogen under Mars-relevant temperature conditions: an example for a single-crystal-to-single-crystal phase transition Volker Kahlenberg, Doris E. Braun, and Maria Orlova preprint

Effect of fluid composition on growth rate of monazite in quartzite at 1.0 GPa and 1000 °C John C. Ayers, Derek L. Bryant, and Kevin Giles preprint

Decagonite, Al71Ni24Fe5, a quasicrystal with decagonal symmetry from the Khatyrka CV3 carbonaceous chondrite Luca Bindi, Nan Yao, Chaney Lin, Lincoln S. Hollister, Christopher L. Andronicos, Vadim V. Distler, Michael P. Eddy, Alexander Kostin, Valery Kryachko, Glenn J. Macpherson, William M. Steinhardt, Marina Yudovskaya, and Paul J. Steinhardt preprint

Recommended mineral-melt partition coefficients for FRTEs (Cu), Ga and Ge during mantle melting Véronique Le Roux, Rajdeep Dasgupta, and Cin-Ty A. Lee preprint

Temperature micro-mapping in oscillatory zoned chlorite: Application to study of a green-schist facies fault zone in the Pyrenean Axial Zone (Spain) Vincent Trincal, Pierre Lanari, Martine Buatier, Brice Lacroix, Delphine Charpentier, Pierre Labaume, and Manuel Muñoz preprint

Lanthanide tetrads in normalized rare element patterns of of zircon from the Koktokay No. 3 granitic pegmatite, Altay, NW China Tang Yong and Zhang Hui preprint

Hf and Nd isotope systematics of early Archean komatiites from surface sampling and ICDP drilling in the Barberton Greenstone Belt, South Africa Janne Blichert-Tofta, Nicholas T. Arndt, Allan Wilson, and Grace Coetzee preprint

Radiation damage halos in biotite investigated using high resolution transmission electron microscopy William R. Bower, Richard A.D. Pattrick, Carolyn I. Pearce, Giles T.R. Droop, and Sarah J. Haigh preprint

Tetrahedral plot diagram: A geometrical solution for quaternary systems Toshiaki Shimura and Anthony I. S. Kemp preprint

Synthesis of large wadsleyite single crystals by solid-state recrystallization Takaaki Kawazoe, Johannes Buchen, and Hauke Marquardt preprint

The crystal structures of Mg2Fe2C4O13, with tetrahedrally coordinated carbon, and Fe13O19, synthesized at deep mantle conditions Marco Merlini, Michael Hanfland, Ashkan Salamat, Sylvain Petitgirard, and Harald Müller preprint

Shock-induced mobilization of metal and sulfide in planetesimals: Evidence from the Buck Mountains 005 (L6 S4) dike-bearing chondrite Alex Ruzicka, Ryan Brown, Jon Friedrich, Melinda Hutson, Richard Hugo, and Mark Rivers preprint

High-pressure synthesis of skiagite-majorite garnet and investigation of its crystal structure Leyla Ismailova, Andrey Bobrov, Maxim Bykov, Elena Bykova, Valerio Cerantola, Innokenty Kantor, Ilya Kupenko, Catherine McCammon, Vadim Dyadkin, Dmitry Chernyshov, Sakura Pascarelli, Alexander Chumakov, Natalia Dubrovinskaia, and Leonid Dubrovinsky preprint

On understanding the structure and composition of crystals I. David Brown preprint

Laser-Induced Breakdown Spectroscopy (LIBS) as a tool for in situ mapping and textural interpretation of lithium in pegmatite minerals Marcus T. Sweetapple and Steven Tassios preprint

Composition dependence of spin transition in (Mg,Fe)SiO3 bridgmanite Susannah M. Dorfman, James Badro, Jean-Pascal Rueff, Paul Chow, Yuming Xiao, and Philippe Gillet preprint

Magnesium isotopic composition of the deep continental crust Wei Yang, Fang-Zhen Teng, Wang-Ye Li, Sheng-Ao Liu, Shan Ke, Yong-Sheng Liu, Hong-Fu Zhang, and Shan Gao preprint

Are Covalent Bonds really Directed? I. David Brown preprint

Role of volatiles (S, Cl, H2O) and silica activity on the crystallization of haüyne and nosean in phonolitic magmas (Eifel, Germany and Saghro, Morocco) Céline Baudouin and Fleurice Parat preprint

Reaching new boundaries for in-situ U-Th geochronology J.P. Bernal preprint

Data, ideas, and the nature of scientific progress Keith Putirka preprint

Field and model constraints on silicic melt segregation by compaction/hindered settling: the role of water and its effect on latent heat release Cin-Ty A. Lee, Douglas M. Morton, Michael J. Farner, and Pranabendu Moitra preprint

The MnCO3- II high pressure polymorph of rhodocrosite Marco Merlini, Michael Hanfland, and Mauro Gemmi preprint

Oriented Multiphase Needles in Garnet from Ultrahigh-Temperature Granulites, Connecticut, USA Jennifer A. Axler and Jay J. Ague preprint

High-pressure compressibility and phase stability of Mn-dolomite (kutnohorite) Sarah E.M. Palaich, Robert A. Heffern, Anke Watenphul, Jason Knight, and Abby Kavner preprint

Fe-Mg diffusion in spinel: New experimental data and a point defect based model Katharina Vogt, Ralf Dohmen, and Sumit Chakraborty preprint

A Possible New Al-bearing Hydrous Mg-silicate (23 Å phase) in the Deep Upper Mantle Nao Cai, Toru Inoue, Kiyoshi Fujino, Hiroaki Ohfuji, and Hisayoshi Yurimoto preprint

Solubility and solution mechanisms of chlorine and fluorine in aluminosilicate melts at high pressure and high temperature Celia Dalou, Charles Le Losq, Bjorn O. Mysen, and George D. Cody preprint

P-V-T equation of state and high-pressure behavior of CaCO3 aragonite Ying Li, Yongtao Zou, Ting Chen, Xuebing Wang, Xintong Qi, Haiyan Chen, Jianguo Du, and Baosheng Li preprint

New thermobarometers for martian igneous rocks, and some implications for secular cooling on Mars Jerrod Lessel and Keith Putirka preprint

Water effects on the anharmonic properties of forsterite Yan Yang, Zhongping Wang, Joseph R. Smyth, Jia Liu, and Qunke Xia preprint

Ca-Zn solid solutions in C2/c pyroxenes: synthesis, crystal structure and implications for Zn geochemistry Claudia Gori, Mario Tribaudino, Luciana Mantovani, Davide Delmonte, Francesco Mezzadri, Edmondo Gilioli, and Gianluca Calestani preprint

Evidence for Nb2+ and Ta3+ in silicate melts under highly reducing conditions: a XANES study Camille Cartier, Tahar Hammouda, Maud Boyet, Olivier Mathon, Denis Testemale, and Bertrand N. Moine preprint

Aluminum environments in synthetic Ca-Tschermak clinopyroxene (CaAlAlSiO6) from Rietveld refinement, 27Al NMR and first-principles calculations Roberta L. Flemming, Victor Terskikh, and Eric Ye preprint

Oceanic lavas sampling the high 3He/4He mantle reservoir: Primitive, depleted, or re-enriched? G. Garapića, A. Mallikb, R. Dasguptab, and M.G. Jacksona preprint

An Updated Calibration of the Plagioclase-Liquid Hygrometer-Thermometer Applicable to Basalts through Rhyolites Laura E. Waters and Rebecca A. Lange preprint

Age, petrochemistry, and origin of a REE-rich mineralization in the Longs Peak - St. Vrain pluton near Jamestown, Colorado (USA) Julien Allaz, Markus B. Raschke, Philip M. Persson, and Charles R. Stern preprint

U-Th baddeleyite geochronology and its significance to date the emplacement of silica undersaturated magmas Wan N. Wu, Axel K. Schmitt, and Lucia Pappalardo preprint

Polycrystallinity of green rust minerals and their synthetic analogs: Implications for particle formation and reactivity in complex systems Carol A. Johnson, Mitsuhiro Murayama, Kirsten Küse, and Michael F. Hochella Jr. preprint

Synthesis and structure of a stuffed derivative of α-quartz, Mg0.5AlSiO4 Hongwu Xu, Peter J. Heaney, Ping Yu, and Huifang Xu preprint

Volatiles in magmas related to the Campanian Ignimbrite eruption: experiments vs. natural findings Sara Fanara, Roman E. Botcharnikov, Danilo M. Palladino, Franziska Adams, Julia Buddensieck, Andreas Mulch, and Harald Behrens preprint

Accuracy of timescales retrieved from diffusion modeling in olivine: a 3D perspective Thomas Shea, Fidel Costa, Daniel Krimer, and Julia Eve Hammer preprint

Fe pre-enrichment: a new method to counteract iron loss in experiments on basaltic melts Yann-Aurelien Brugier, Marina Alletti, and Michel Pichavante preprint

Aluminosilicate melts and glasses at 1 to 3 GPa: Temperature and pressure effects on recovered structural and density changes Saurav Bista, Jonathan F. Stebbins, William B. Hankins, and Thomas W. Sisson preprint

Elastic softening of leucite and the lack of polar domain boundaries Oktay Aktas, Michael A. Carpenter, and Ekhard K.H. Salje preprint

Equation of state and elasticity of the 3.65 Å phase- implications for the X-discontinuity Mainak Mookherjee, Sergio Speziale, Hauke Marquardt, Sandro Jahn, Bernd Wunder, Monika Koch-Müller, and Hanns-Peter Liermann preprint

Chemical interactions between a sedimentary diapir and surrounding magma: evidence from the Phepane Dome and Bushveld Complex, South Africa Rachel H. P. Ireland and Sarah C. Penniston-Dorland preprint

Provenance Determination of Sapphires and Rubies using Laser-Induced Breakdown Spectroscopy and Multivariate Analysis Kristen A. Kochelek, Nancy J. McMillan, Catherine E. McManus, and David L. Daniel preprint

Structural insights and elasticity of single-crystal antigorite from high-pressure Raman and Brillouin spectroscopy measured in the (010) plane Hauke Marquardt, Sergio Speziale, Monika Koch-Müller, Katharina Marquardt, and Giancarlo Capitani preprint

Resolving oxygen isotopic disturbance in zircon: a case study from the low δ18O Scourie dykes, NW Scotland Joshua H.F.L. Davies, Richard J. Stern, Larry M. Heaman, Xavier Rojas, and Erin L. Walton preprint

Cancrinite-group minerals. Crystal-chemical description and properties under non-ambient conditions: A review G. Diego Gatta and Paolo Lotti preprint

Going small: nanoscale geochronology using atom probe tomography Stephen W. Parman preprint

Degassing pathways of Cl-, F-, H-, and S-bearing magmas near the lunar surface: Implications for the composition and Cl isotopic values of lunar apatite Gokce Ustunisik, Hanna Nekvasil, Donald H. Lindsley, and Francis M. McCubbin preprint

Formation of rhyolite at the Okataina Volcanic Complex, New Zealand: New insights from analysis of quartz clusters in plutonic lithics Karina A. Graeter, Rachel J. Beane, Chad D. Deering, Darren Gravley, and Olivier Bachmann preprint

Experimental investigation of F, Cl, and OH partitioning between apatite and Fe-rich basaltic melt at 1.0-1.2 GPa and 950-1000 °C Francis M. McCubbin, Kathleen E. Vander Kaaden, Romain Tartèse, Jeremy W. Boyce, Sami Mikhail, Eric S. Whitson, Aaron S. Bell, Mahesh Anand, Ian A. Franchi, Jianhua Wang, and Erik H. Hauri preprint

The mafic component of the lunar crust: Constraints on the crustal abundance of mantle and intrusive rock, and the mineralogy of lunar anorthosites Sarah T. Crites, Paul G. Lucey, and G. Jeffrey Taylor preprint

Grain size measurement from two-dimensional micro-X-ray diffraction: Laboratory application of a radial integration technique Michael S. Bramble, Roberta L. Flemming, and Phil J. A. McCausland preprint

Decrease of hydrogen incorporation in forsterite from CO2-H2O-rich kimberlitic liquid Virginie Baptiste, Sylvie Demouchy, Shantanu Keshav, Fleurice Parat, Nathalie Bolfan-Casanova, Pierre Condamine, and Patrick Cordier preprint

Recoil-free Fractions of Iron in Aluminous Bridgmanite from Temperature Dependent Mössbauer Spectra Jiachao Liu, Bjorn Mysen, Yingwei Fei, and Jie Li preprint

Melting curve of NaCl to 20 GPa from electrical measurements of capacitive current Zeyu Li and Jie Li preprint

Spectroscopic study of ordering in non- stoichiometric magnesium aluminate spinel Vitaly Erukhimovitch, Yuval Mordekoviz, and Shmuel Hayun preprint

Metamorphic chronology comes of age: past achievements and future prospects Matthew J. Kohn preprint

High-Pressure Phases of Cordierite From Single-Crystal X-Ray Diffraction to 15 GPa Gregory J. Finkelstein, Przemyslaw K. Dera, and Thomas S. Duffy preprint

Current limitations of molecular dynamic simulations as probes of thermo-physical behavior of silicate melts Jean-Philippe Harvey and Paul D. Asimow preprint

Transition metal incorporation into 1mackinawite (tetragonal FeS) Kideok D. Kwon, Keith Refson, and Garrison Sposito preprint

Magmatic volatiles (H, C, N, F, S, Cl) in the lunar mantle, crust, and regolith: Abundances, distributions, processes, and reservoirs Francis M. McCubbin, Kathleen E. Vander Kaaden, Romain Tartèse, Rachel L. Klima, Yang Liu, James Mortimer, Jessica J. Barnes, Charles K. Shearer, Allan H. Treiman, David J. Lawrence, Stephen M. Elardo, Dana M. Hurley, Jeremy W. Boyce, and Mahesh Anand preprint

Three-component mixed-layer illite-smectite-kaolinite (I/S/K) minerals in hydromorphic soils, south China Hanlie Hong, Feng Cheng, Ke Yin, Gordon Jock Churchman, and Chaowen Wang preprint

Elastic wave velocity anomalies of anorthite in subducting plate: In situ experiments Kyoko N. Matsukage, Yu Nishihara, Fumiya Noritake, Katsuyuki Kawamura, Noriyoshi Tsujino, Moe Sakurai, Yuji Higo, Junichi Nakajima, Akira Hasegawa, and Eiichi Takahashi preprint

Petrology on Mars Harry Y. McSween Jr. preprint

Normal to inverse transition in martian spinel: Understanding the interplay between chromium, vanadium, and iron valence state partitioning through a crystal-chemical lens James J. Papike, Paul V. Burger, Aaron S. Bell, Charles, K. Shearer, Loan Le, and John Jones preprint

New structure of high-pressure body-centered orthorhombic Fe2SiO4 Takamitsu Yamanaka, Atsushi Kyono, Yuki Nakamoto, Svetlana Kharlamova, Viktor V. Struzhkin, Stephen A. Gramsch, Ho-kwang Mao, and Russell J. Hemley preprint

Beyond the Equilibrium Paradigm: How Consideration of Kinetics Enhances Metamorphic Interpretation William D. Carlson, David R.M. Pattison, and Mark J. Caddick preprint

Uranium scavenging during mineral replacement reactions Kan Li, Allan Pring, Barbara Etschmann, Edeltraud Macmillan, Yung Ngothai, Brian O’Neill, Anthony Hooker, Fred Mosselmans, and Joël Brugger preprint

Magnetic anisotropy in natural amphibole crystals Andrea R. Biedermann, Christian Bender Koch, Thomas Pettke, and Ann M. Hirt preprint

Synthesis, characterization and thermodynamics of arsenates forming in the Ca-Fe(III)-As(V)-NO3 system: Implications for the stability of Ca-Fe arsenates Dogan Paktunc, Juraj Majzlan, Artis Huang, Yves Thibault, Michel B. Johnson, and Mary Anne White preprint

Planar microstructures in zircon from paleo-seismic zones Elizaveta Kovaleva, Urs Klötzli, Gerlinde Habler, and John Wheeler preprint