233

Rover observations in Gusev Crater: Evidence for a style of weathering unique to Mars?
Joshua L. Bandfield

235

Wishstone to Watchtower: Amorphous alteration of plagioclase-rich rocks in Gusev crater, Mars
Steven W. Ruff and Victoria E. Hamilton

252

Oxygen isotope geochemistry of mafic phenocrysts in primitive mafic lavas from the southernmost Cascade Range, California
Sandra J. Underwood and Michael A. Clynne

262

Geochemical and radiogenic isotope probes of Ischia volcano, Southern Italy: Constraints on magma chamber dynamics and residence time
Martina Casalini, Riccardo Avanzinelli, Arnd Heumann, Sandro de Vita, Fabio Sansivero, Sandro Conticelli, and Simone Tommasini

275

Experimental tests on achieving equilibrium in synthetic fluid inclusions: Results for scheelite, molybdenite, and gold solubility at 800 °C and 200 MPa
Insa T. Derrey, Moritz Albrecht, Evgeniya Dupliy, Roman E. Botcharnikov, Ingo Horn, Malte Junge, Stefan Weyer, and François Holtz

284

Mineralogy and chemistry of San Carlos high-alkali basalts: Analyses of alteration with application for Mars exploration
Bryné A. Hadnott, Bethany L. Ehlmann, and Bradley L. Jolliff

302

Effect of iron and trivalent cations on OH defects in olivine
Marc Blanchard, Jannick Ingrin, Etienne Balan, István Kovács, and Anthony C. Withers

312

SiC-dominated ultra-reduced mineral assemblage in carbonatitic xenoliths from the Dalihu basalt, Inner Mongolia, China
Detao He, Yongsheng Liu, Changgui Gao, Chunfei Chen, Zhaochu Hu, and Shan Gao

321

Ab initio calculations of uranium and thorium storage in CaSiO₃-perovskite in the Earth’s lower mantle
Samuel N. Perry, Jeffrey S. Pigott, and Wendy R. Panero

327

Raman spectroscopy and the inversion degree of natural Cr-bearing spinels
Davide Lenaz and Vanni Lughi

333

Chromium influence on Mg-Al intracrystalline exchange in spinels and geothermometric implications
Ferdinando Bosi and Giovanni B. Andreozzi

341

Adakite metasomatism in a back-arc mantle peridotite xenolith from the Sea of Japan
Yuji Ichiyama, Tomoaki Morishita, Akihiro Tamura, and Shoji Arai

347

Effects of fluorine content on the elastic behavior of topaz [Al₂SiO₄(F,OH)₂]
Gianfranco Ulian and Giovanni Valdré

357

Equation of state and hyperfine parameters of high-spin bridgmanite in the Earth’s lower mantle by synchrotron X-ray diffraction and Mössbauer spectroscopy
Zhu Mao, Fan Wang, Jung-Fu Lin, Suyu Fu, Jing Yang, Xiang Wu, Takuo Okuchi, Naotaka Tomioka, Vitali B. Prakapenka, Yuming Xiao, and Paul Chow

369

Calibration of Fe XANES for high-precision determination of Fe oxidation state in glasses: Comparison of new and existing results obtained at different synchrotron radiation sources
Adrian Fiege, Philipp Ruprecht, Adam C. Simon, Aaron S. Bell, Jörg Göttlicher, Matt Newville, Tony Lanzirotti, and Gordon Moore

381

Bacterially mediated morphogenesis of struvite and its implication for phosphorus recovery
Han Li, Qi-Zhi Yao, Sheng-Hui Yu, Ya-Rong Huang, Xiang-Dong Chen, Sheng-Quan Fu, and Gen-Tao Zhou

391

High-pressure high-temperature Raman spectroscopy of kerogen: Relevance to subducted organic carbon
Laurel B. Childress and Steven D. Jacobsen

404

Determination of pressure in aqueo-carbonic fluid inclusions at high temperatures from measured Raman frequency shifts of CO₂
Xueyin Yuan, Robert A. Mayanovic, Haifei Zheng, and Qiang Sun

412

Melting, crystallization, and the glass transition: Toward a unified description for silicate phase transitions
H. Wayne Nesbitt, G. Michael Bancroft, Grant, S. Henderson, Pascal Richet, and Cedrick O’Shaughnessy

421

Revisiting the electron microprobe method of spinel-olivine-orthopyroxene oxybarometry applied to spinel peridotites
Fred A. Davis, Elizabeth Cottrell, Suzanne K. Birner, Jessica M. Warren, and Oscar G. Lopez

436

Igneous or metamorphic? Hornblende phenocrysts as greenschist facies reaction cells in the Half Dome Granodiorite, California
Stephen C. Challener and Allen F. Glazner

445

Nuclear-blast induced nanotextures in quartz and zircon within Trinitite
Aaron J. Lussier, Sergei Rouvimov, Peter C. Burns, and Antonio Simonetti

461

Kegginite, Pb₃Ca₃[AsV₁₂O₄₀(VO)]·20H₂O, a new mineral with a novel ε-isomer of the Keggin anion
Anthony R. Kampf, John M. Hughes, Barbara P. Nash, and Joe Marty

466

NEW MINERAL NAMES

471

REVIEWERS 2016

235

Wishstone to Watchtower: Amorphous alteration of plagioclase-rich rocks in Gusev crater, Mars
Steven W. Ruff and Victoria E. Hamilton

252

Oxygen isotope geochemistry of mafic phenocrysts in primitive mafic lavas from the southernmost Cascade Range, California
Sandra J. Underwood and Michael A. Clynne

262

Geochemical and radiogenic isotope probes of Ischia volcano, Southern Italy: Constraints on magma chamber dynamics and residence time
Martina Casalini, Riccardo Avanzinelli, Arnd Heumann, Sandro de Vita, Fabio Sansivero, Sandro Conticelli, and Simone Tommasini

275

Experimental tests on achieving equilibrium in synthetic fluid inclusions: Results for scheelite, molybdenite, and gold solubility at 800 °C and 200 MPa
Insa T. Derrey, Moritz Albrecht, Evgeniya Dupliy, Roman E. Botcharnikov, Ingo Horn, Malte Junge, Stefan Weyer, and François Holtz

302

Effect of iron and trivalent cations on OH defects in olivine
Marc Blanchard, Jannick Ingrin, Etienne Balan, István Kovács, and Anthony C. Withers

312

SiC-dominated ultra-reduced mineral assemblage in carbonatitic xenoliths from the Dalihu basalt, Inner Mongolia, China
Detao He, Yongsheng Liu, Changgui Gao, Chunfei Chen, Zhaochu Hu, and Shan Gao

333

Chromium influence on Mg-Al intracrystalline exchange in spinels and geothermometric implications
Ferdinando Bosi and Giovanni B. Andreozzi

347

Effects of fluorine content on the elastic behavior of topaz [Al₂SiO₄(F,OH)₂]
Gianfranco Ulian and Giovanni Valdré

357

Equation of state and hyperfine parameters of high-spin bridgmanite in the Earth’s lower mantle by synchrotron X-ray diffraction and Mössbauer spectroscopy
Zhu Mao, Fan Wang, Jung-Fu Lin, Suyu Fu, Jing Yang, Xiang Wu, Takuo Okuchi, Naotaka Tomioka, Vitali B. Prakapenka, Yuming Xiao, and Paul Chow

369

Calibration of Fe XANES for high-precision determination of Fe oxidation state in glasses: Comparison of new and existing results obtained at different synchrotron radiation sources
Adrian Fiege, Philipp Ruprecht, Adam C. Simon, Aaron S. Bell, Jörg Göttlicher, Matt Newville, Tony Lanzirotti, and Gordon Moore

381

Bacterially mediated morphogenesis of struvite and its implication for phosphorus recovery
Han Li, Qi-Zhi Yao, Sheng-Hui Yu, Ya-Rong Huang, Xiang-Dong Chen, Sheng-Quan Fu, and Gen-Tao Zhou

421

Revisiting the electron microprobe method of spinel-olivine-orthopyroxene oxybarometry applied to spinel peridotites
Fred A. Davis, Elizabeth Cottrell, Suzanne K. Birner, Jessica M. Warren, and Oscar G. Lopez

436

Igneous or metamorphic? Hornblende phenocrysts as greenschist facies reaction cells in the Half Dome Granodiorite, California
Stephen C. Challener and Allen F. Glazner

461

Kegginite, Pb₃Ca₃[AsV₁₂O₄₀(VO)]·20H₂O, a new mineral with a novel ε-isomer of the Keggin anion
Anthony R. Kampf, John M. Hughes, Barbara P. Nash, and Joe Marty