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Volume 105, Number 12

December 2020

ISSN 0003-004X

EISSN 1945-3027

In this Issue

MSA CENTENNIAL REVIEW PAPER
SPECIAL COLLECTION: VOLATILE ELEMENTS IN DIFFERENTIATED PLANETARY INTERIORS
SPECIAL COLLECTION: NEW ADVANCES IN SUBDUCTION ZONE MAGMA GENESIS
ARTICLES
NEW MINERAL NAMES

MSA CENTENNIAL REVIEW PAPER

The incompressibility of atoms at high pressures

Gerald V. Gibbs; David F. Cox; Nancy L. Ross

Abstract

View articletitled, The incompressibility of atoms at high pressures

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American Mineralogist December 01, 2020, Vol.105, 1761-1768. doi:https://doi.org/10.2138/am-2020-7123

SPECIAL COLLECTION: VOLATILE ELEMENTS IN DIFFERENTIATED PLANETARY INTERIORS

Phase transitions in ε-FeOOH at high pressure and ambient temperature

Elizabeth C. Thompson; Anne H. Davis; Nigel M. Brauser; Zhenxian Liu; Vitali B. Prakapenka; Andrew J. Campbell

Abstract

View articletitled, Phase transitions in ε-FeOOH at high pressure and ambient temperature

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American Mineralogist December 01, 2020, Vol.105, 1769-1777. doi:https://doi.org/10.2138/am-2020-7468

SPECIAL COLLECTION: NEW ADVANCES IN SUBDUCTION ZONE MAGMA GENESIS

Thermal state of the upper mantle and the origin of the Cambrian-Ordovician ophiolite pulse: Constraints from ultramafic dikes of the Hayachine-Miyamori ophiolite

Takafumi Kimura; Kazuhito Ozawa; Takeshi Kuritani; Tsuyoshi Iizuka; Mitsuhiro Nakagawa

Abstract

View articletitled, Thermal state of the upper mantle and the origin of the Cambrian-Ordovician ophiolite pulse: Constraints from ultramafic dikes of the Hayachine-Miyamori ophiolite

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American Mineralogist December 01, 2020, Vol.105, 1778-1801. doi:https://doi.org/10.2138/am-2020-7160

ARTICLES

Quadrivalent praseodymium in planetary materials

Michael Anenburg; Antony D. Burnham; Jessica L. Hamilton

Abstract

View articletitled, Quadrivalent praseodymium in planetary materials

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American Mineralogist December 01, 2020, Vol.105, 1802-1811. doi:https://doi.org/10.2138/am-2020-7325

Quantitative microscale Fe redox imaging by multiple energy X-ray fluorescence mapping at the Fe K pre-edge peak

Eric T. Ellison; Lisa E. Mayhew; Hannah M. Miller; Alexis S. Templeton

Abstract

View articletitled, Quantitative microscale Fe redox imaging by multiple energy X-ray fluorescence mapping at the Fe K pre-edge peak

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American Mineralogist December 01, 2020, Vol.105, 1812-1829. doi:https://doi.org/10.2138/am-2020-7359

Quantification of excess ²³¹Pa in late Quaternary igneous baddeleyite

Yi Sun; Axel K. Schmitt; Lucia Pappalardo; Massimo Russo

Abstract

View articletitled, Quantification of excess 231Pa in late Quaternary igneous baddeleyite

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American Mineralogist December 01, 2020, Vol.105, 1830-1840. doi:https://doi.org/10.2138/am-2020-7449

Magma oxygen fugacity of mafic-ultramafic intrusions in convergent margin settings: Insights for the role of magma oxidation states on magmatic Ni-Cu sulfide mineralization

Yonghua Cao; Christina Yan Wang; Bo Wei

Abstract

View articletitled, Magma oxygen fugacity of mafic-ultramafic intrusions in convergent margin settings: Insights for the role of magma oxidation states on magmatic Ni-Cu sulfide mineralization

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American Mineralogist December 01, 2020, Vol.105, 1841-1856. doi:https://doi.org/10.2138/am-2020-7351

Investigation of the crystal structure of a low water content hydrous olivine to 29.9 GPa: A high-pressure single-crystal X-ray diffraction study

Jingui Xu; Dawei Fan; Dongzhou Zhang; Bo Li; Wenge Zhou; Przemyslaw K. Dera

Abstract

View articletitled, Investigation of the crystal structure of a low water content hydrous olivine to 29.9 GPa: A high-pressure single-crystal X-ray diffraction study

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American Mineralogist December 01, 2020, Vol.105, 1857-1865. doi:https://doi.org/10.2138/am-2020-7444

Ferric-ferrous iron ratios of experimental majoritic garnet and clinopyroxene as a function of oxygen fugacity

Laura J.A. Rzehak; Arno Rohrbach; Christian Vollmer; Heidi E. Höfer; Jasper Berndt; Stephan Klemme

Abstract

View articletitled, Ferric-ferrous iron ratios of experimental majoritic garnet and clinopyroxene as a function of oxygen fugacity

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American Mineralogist December 01, 2020, Vol.105, 1866-1874. doi:https://doi.org/10.2138/am-2020-7265

The origin of Ti-oxide minerals below and within the eastern Athabasca Basin, Canada

Erin E. Adlakha; Keiko Hattori; Mitchell J. Kerr; Brandon M. Boucher

Abstract

View articletitled, The origin of Ti-oxide minerals below and within the eastern Athabasca Basin, Canada

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American Mineralogist December 01, 2020, Vol.105, 1875-1888. doi:https://doi.org/10.2138/am-2020-7235

Partition behavior of platinum-group elements during the segregation of arsenide melts from sulfide magma

Rubén Piña; Fernando Gervilla; Hassan Helmy; Raúl O.C. Fonseca; Chris Ballhaus

Abstract

View articletitled, Partition behavior of platinum-group elements during the segregation of arsenide melts from sulfide magma

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American Mineralogist December 01, 2020, Vol.105, 1889-1897. doi:https://doi.org/10.2138/am-2020-7477

Vapor-bubble growth in olivine-hosted melt inclusions

Daniel J. Rasmussen; Terry A. Plank; Paul J. Wallace; Megan E. Newcombe; Jacob B. Lowenstern

Abstract

View articletitled, Vapor-bubble growth in olivine-hosted melt inclusions

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American Mineralogist December 01, 2020, Vol.105, 1898-1919. doi:https://doi.org/10.2138/am-2020-7377

NEW MINERAL NAMES

New Mineral Names^,

Dmitriy I. Belakovskiy; Yulia Uvarova; Fernando Cámara

Abstract

View articletitled, New Mineral Names,

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American Mineralogist December 01, 2020, Vol.105, 1920-1925. doi:https://doi.org/10.2138/am-2020-NMN1051227

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Ruizhongite, (Ag₂☐)Pb₃Ge₂S₈, a thiogermanate mineral from the Wusihe Pb-Zn deposit, Sichuan Province, Southwest China

Grain-scale zircon Hf isotope heterogeneity inherited from sediment-metasomatized mantle: Geochemical and Nd-Hf-Pb-O isotopic constraints on Early Cretaceous intrusions in central Lhasa Terrane, Tibetan Plateau

Scheelite U-Pb geochronology and trace element geochemistry fingerprint W mineralization in the giant Zhuxi W deposit, South China

Fluorine-rich mafic lower crust in the southern Rocky Mountains: The role of pre-enrichment in generating fluorine-rich silicic magmas and porphyry Mo deposits

Slyudyankaite, Na₂₈Ca₄(Si₂₄Al₂₄O₉₆)(SO₄)₆(S₆)_1/3(CO₂)·2H₂O, a new sodalite-group mineral from the Malo-Bystrinskoe lazurite deposit, Baikal Lake area, Russia

MSA CENTENNIAL REVIEW PAPER

The incompressibility of atoms at high pressures

SPECIAL COLLECTION: VOLATILE ELEMENTS IN DIFFERENTIATED PLANETARY INTERIORS

Phase transitions in ε-FeOOH at high pressure and ambient temperature

SPECIAL COLLECTION: NEW ADVANCES IN SUBDUCTION ZONE MAGMA GENESIS

Thermal state of the upper mantle and the origin of the Cambrian-Ordovician ophiolite pulse: Constraints from ultramafic dikes of the Hayachine-Miyamori ophiolite

ARTICLES

Quadrivalent praseodymium in planetary materials

Quantitative microscale Fe redox imaging by multiple energy X-ray fluorescence mapping at the Fe K pre-edge peak

Quantification of excess ²³¹Pa in late Quaternary igneous baddeleyite

Magma oxygen fugacity of mafic-ultramafic intrusions in convergent margin settings: Insights for the role of magma oxidation states on magmatic Ni-Cu sulfide mineralization

Investigation of the crystal structure of a low water content hydrous olivine to 29.9 GPa: A high-pressure single-crystal X-ray diffraction study

Ferric-ferrous iron ratios of experimental majoritic garnet and clinopyroxene as a function of oxygen fugacity

The origin of Ti-oxide minerals below and within the eastern Athabasca Basin, Canada

Partition behavior of platinum-group elements during the segregation of arsenide melts from sulfide magma

Vapor-bubble growth in olivine-hosted melt inclusions

NEW MINERAL NAMES

New Mineral Names^,

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MSA CENTENNIAL REVIEW PAPER

SPECIAL COLLECTION: VOLATILE ELEMENTS IN DIFFERENTIATED PLANETARY INTERIORS

SPECIAL COLLECTION: NEW ADVANCES IN SUBDUCTION ZONE MAGMA GENESIS

ARTICLES

NEW MINERAL NAMES

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