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Hugh St. C. O'Neill
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Journal Article

Garnet versus amphibole: Implications for magmatic differentiation and slab melting

Yajie Gao, Hugh St. C. O’Neill, John A. Mavrogenes
Journal: Geology
Published: 30 November 2023
Geology (2024) 52 (2): 125–129.
DOI: https://doi.org/10.1130/G51637.1
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View PDF for article title, Garnet versus amphibole: Implications for magmatic differentiation and slab melting
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Journal Article

The sulfur solubility minimum and maximum in silicate melt

Ery C. Hughes, Lee M. Saper, Philippa Liggins, Hugh St. C. O'Neill, Edward M. Stolper
Published: 11 May 2023
Journal of the Geological Society (2023) 180 (3): jgs2021-125.
DOI: https://doi.org/10.1144/jgs2021-125
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Journal Article

Determination of the oxidation state of iron in Mid-Ocean Ridge basalt glasses by Raman spectroscopy

Charles Le Losq, Andrew J. Berry, Mark A. Kendrick, Daniel R. Neuville, Hugh St. C. O'Neill
Published: 01 July 2019
American Mineralogist (2019) 104 (7): 1032–1042.
DOI: https://doi.org/10.2138/am-2019-6887
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View PDF for article title, Determination of the oxidation state of iron in Mid-Ocean Ridge basalt glasses by Raman spectroscopy
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Journal Article

Quantitative absorbance spectroscopy with unpolarized light: Part II. Experimental evaluation and development of a protocol for quantitative analysis of mineral IR spectra

István Kovács, Jörg Hermann, Hugh St. C. O’Neill, John Fitz Gerald, Malcolm Sambridge, Gábor Horváth
Published: 01 May 2008
American Mineralogist (2008) 93 (5-6): 765–778.
DOI: https://doi.org/10.2138/am.2008.2656
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View PDF for article title, Quantitative absorbance spectroscopy with unpolarized light: Part II. Experimental evaluation and development of a protocol for quantitative analysis of mineral IR spectra
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Journal Article

The free energy of formation of Mg 2 TiO 4 (synthetic qandilite), an inverse spinel with configurational entropy

Hugh St. C. O'NEILL, Dean R. SCOTT
Published: 01 March 2005
European Journal of Mineralogy (2005) 17 (2): 315–323.
DOI: https://doi.org/10.1127/0935-1221/2005/0017-0315
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View PDF for article title, The free energy of formation of Mg 2 TiO 4 (synthetic qandilite), an inverse spinel with configurational entropy
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Journal Article

A method for controlling alkali-metal oxide activities in one-atmosphere experiments and its application to measuring the relative activity coefficients of NaO 0.5 in silicate melts

Hugh St. C. O’Neill
Published: 01 February 2005
American Mineralogist (2005) 90 (2-3): 497–501.
DOI: https://doi.org/10.2138/am.2005.1792
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View PDF for article title, A method for controlling alkali-metal oxide activities in one-atmosphere experiments and its application to measuring the relative activity coefficients of NaO 0.5 in silicate melts
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Journal Article

An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg 2 TiO 4 at high temperatures

Hugh ST. C. O’Neill, Simon A. T. Redfern, Sue Kesson, Simine Short
Published: 01 May 2003
American Mineralogist (2003) 88 (5-6): 860–865.
DOI: https://doi.org/10.2138/am-2003-5-615
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View PDF for article title, An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg 2 TiO 4 at high temperatures
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Journal Article

Thermodynamics and kinetics of cation ordering in MgAl 2 O 4 spinel up to 1600 degrees C from in situ neutron diffraction

Simon A. T. Redfern, Richard J. Harrison, Hugh St. C. O'Neill, David R. R. Wood
Published: 01 March 1999
American Mineralogist (1999) 84 (3): 299–310.
DOI: https://doi.org/10.2138/am-1999-0313
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Journal Article

The temperature dependence of the cation distribution in synthetic hercynite (FeAl 2 O 4 ) from in-situ neutron structure refinements

Richard J. Harrison, Simon A. T. Redfern, Hugh St. C. O'Neill
Published: 01 October 1998
American Mineralogist (1998) 83 (9-10): 1092–1099.
DOI: https://doi.org/10.2138/am-1998-9-1018
View PDF for article title, The temperature dependence of the cation distribution in synthetic hercynite (FeAl 2 O 4 ) from in-situ neutron structure refinements
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Journal Article

Structure and crystal-field spectra of CO 3 Al 2 (SiO 4 ) 3 and (Mg,Ni) 3 Al 2 (SiO 4 ) 3 garnet

Charles R. Ross, Hans Keppler, Dante Canil, Hugh St. C. O'Neill
Published: 01 February 1996
American Mineralogist (1996) 81 (1-2): 61–66.
DOI: https://doi.org/10.2138/am-1996-1-209
View PDF for article title, Structure and crystal-field spectra of CO 3 Al 2 (SiO 4 ) 3 and (Mg,Ni) 3 Al 2 (SiO 4 ) 3 garnet
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Journal Article

Almandine-rich garnet from near Collobrieres, southern France, and its petrological significance

Alan B. Woodland, Giles Droop, Hugh St. C. O'Neill
Published: 01 February 1995
European Journal of Mineralogy (1995) 7 (1): 187–194.
View PDF for article title, Almandine-rich garnet from near Collobrieres, southern France, and its petrological significance
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Journal Article

Temperature dependence of the cation distribution in CoAl 2 O 4 spinel

Hugh St. C. O'Neill
Published: 01 October 1994
European Journal of Mineralogy (1994) 6 (5): 603–609.
View PDF for article title, Temperature dependence of the cation distribution in CoAl 2 O 4 spinel
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Journal Article

Crystal chemistry of synthetic hercynite (FeAl 2 O 4 ) from XRD structural refinements and Moessbauer spectroscopy

Lena Larsson, Hugh St. C. O'Neill, Hans Annersten
Published: 01 February 1994
European Journal of Mineralogy (1994) 6 (1): 39–51.
View PDF for article title, Crystal chemistry of synthetic hercynite (FeAl 2 O 4 ) from XRD structural refinements and Moessbauer spectroscopy
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Journal Article

Synthesis and stability of Fe 3 2 + Fe 2 3 + - Si 3 O 12 garnet and phase relations with Fe 3 Al 2 O 12 - Fe 3 2 + Fe 2 3 + - Si 3 O 12 solutions

Alan B. Woodland, Hugh St. C. O'Neill
Published: 01 October 1993
American Mineralogist (1993) 78 (9-10): 1002–1015.
View PDF for article title, Synthesis and stability of Fe 3 2 + Fe 2 3 + - Si 3 O 12 garnet and phase relations with Fe 3 Al 2 O 12 - Fe 3 2 + Fe 2 3 + - Si 3 O 12 solutions
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Journal Article

Syntheses, volume, and structural changes of garnets in the pyrope-grossular join: Implications for stability and mixing properties

Jibamitra Ganguly, Weiji Cheng, Hugh St. C. O'Neill
Published: 01 June 1993
American Mineralogist (1993) 78 (5-6): 583–593.
View PDF for article title, Syntheses, volume, and structural changes of garnets in the pyrope-grossular join: Implications for stability and mixing properties
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Journal Article

Temperature dependence of the cation distribution in zinc ferrite (ZnFe 2 O 4 ) from powder XRD structural refinements

Hugh St. C. O'Neill
Published: 01 June 1992
European Journal of Mineralogy (1992) 4 (3): 571–580.
View PDF for article title, Temperature dependence of the cation distribution in zinc ferrite (ZnFe 2 O 4 ) from powder XRD structural refinements
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Journal Article

An experimental study of the effect of Ca upon garnet-ilmenite Fe-Mn exchange equilibria

Mark I. Pownceby, Victor J. Wall, Hugh St. C. O'Neill
Published: 01 October 1991
American Mineralogist (1991) 76 (9-10): 1580–1588.
View PDF for article title, An experimental study of the effect of Ca upon garnet-ilmenite Fe-Mn exchange equilibria
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Journal Article

Simple spinels; crystallographic parameters, cation radii, lattice energies, and cation distribution

Hugh St. C. O'Neill, Alexandra Navrotsky
Published: 01 February 1983
American Mineralogist (1983) 68 (1-2): 181–194.
View PDF for article title, Simple spinels; crystallographic parameters, cation radii, lattice energies, and cation distribution
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