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QUILF

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Journal Article

Fe-Ti oxide-silicate (QUIlF-type) equilibria in feldspathoid-bearing systems

Julian Schilling, B. Ronald Frost, Michael A.W. Marks, Thomas Wenzel, Gregor Markl
Published: 01 January 2011
American Mineralogist (2011) 96 (1): 100–110.
DOI: https://doi.org/10.2138/am.2011.3596
...Julian Schilling; B. Ronald Frost; Michael A.W. Marks; Thomas Wenzel; Gregor Markl Abstract Silicate-oxide equilibria (abbreviated as QUIlF) have proven to be very powerful tools for reconstructing the temperature and oxygen fugacity evolution of magmatic systems containing magnetite and ilmenite...
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( a ) Positions of equilibria 6 and 10 in T - a SiO 2 space for unit ac...

( a ) Positions of equilibria 6 and 10 in T - a SiO 2 space for unit ac...

Published: 01 January 2011
F igure 3. ( a ) Positions of equilibria 6 and 10 in T - a SiO 2 space for unit activities (bold lines) and activities typically observed in magmatic systems (gray shaded fi elds). ( b ) Temperature-Δlog f O 2 (FMQ) space and position of the QUIlF equilibrium 1 with displacements
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(a) Phase relations in the pyroxene quadrilateral calculated using <span class="search-highlight">QUILF</span> ( ...

(a) Phase relations in the pyroxene quadrilateral calculated using QUILF ( ...

Published: 01 June 2014
Fig. 1 (a) Phase relations in the pyroxene quadrilateral calculated using QUILF ( Andersen et al. 1993 ) for P = 1500 bar. Isobars for each mineral in the olivine + orthopyroxene + clinopyroxene + quartz assemblage are shown as heavy black curves. X Fe represents molar Fe/(Fe+Mg), and X Ca
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(a) Phase relations in the pyroxene quadrilateral calculated using <span class="search-highlight">QUILF</span> ( ...

(a) Phase relations in the pyroxene quadrilateral calculated using QUILF ( ...

Published: 01 June 2014
Fig. 1 (a) Phase relations in the pyroxene quadrilateral calculated using QUILF ( Andersen et al. 1993 ) for P = 1500 bar. Isobars for each mineral in the olivine + orthopyroxene + clinopyroxene + quartz assemblage are shown as heavy black curves. X Fe represents molar Fe/(Fe+Mg), and X Ca
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(a) Phase relations in the pyroxene quadrilateral calculated using <span class="search-highlight">QUILF</span> ( ...

(a) Phase relations in the pyroxene quadrilateral calculated using QUILF ( ...

Published: 01 June 2014
Fig. 1 (a) Phase relations in the pyroxene quadrilateral calculated using QUILF ( Andersen et al. 1993 ) for P = 1500 bar. Isobars for each mineral in the olivine + orthopyroxene + clinopyroxene + quartz assemblage are shown as heavy black curves. X Fe represents molar Fe/(Fe+Mg), and X Ca
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<span class="search-highlight">QUILF</span> temperature and oxygen fugacities ( Andersen et al., 1993 ) for repre...

QUILF temperature and oxygen fugacities ( Andersen et al., 1993 ) for repre...

Published: 01 November 2012
Figure 12. QUILF temperature and oxygen fugacities ( Andersen et al., 1993 ) for representative samples of rhyodacite (sample C1) and andesite (sample P2) plotted relative to the fayalite-magnetite-quartz (FMQ) and nickel-nickel-oxide (NNO) buffers (ΔFMQ = log f O 2 – FMQ[T]; Frost et al., 1988 ).
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Minimum T - f O 2 , based on <span class="search-highlight">QUILF</span> estimates of ilmenite solid solution ...

Minimum T - f O 2 , based on QUILF estimates of ilmenite solid solution ...

Published: 01 January 2008
Figure 8. Minimum T - f O 2 , based on QUILF estimates of ilmenite solid solution stability, for the Mt. Stuart batholith at temperatures obtained from thermometry. Each line, some of which are dashed for clarity, represents individual samples. Low f O 2 results for more silica rich rocks
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<span class="search-highlight">QUILF</span> 95 RESULTS, PANTELLERIA SUITE

QUILF 95 RESULTS, PANTELLERIA SUITE

Published: 01 August 2005
TABLE 9. QUILF 95 RESULTS, PANTELLERIA SUITE
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Temperature-silica activity diagram showing the results of <span class="search-highlight">QUILF</span> calculatio...

Temperature-silica activity diagram showing the results of QUILF calculatio...

Published: 01 October 2003
F ig . 11. Temperature-silica activity diagram showing the results of QUILF calculations.
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Augite–olivine pairs as recalculated at high temperature by the <span class="search-highlight">QUILF</span> routi...

Augite–olivine pairs as recalculated at high temperature by the QUILF routi...

Published: 01 April 2001
F ig . 2. Augite–olivine pairs as recalculated at high temperature by the QUILF routine of Andersen et al. (1993) and published in Table 2 of Morse (1996) .
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Temperature-Δlog f O 2 (FMQ) space showing the position of the KULIlF e...

Temperature-Δlog f O 2 (FMQ) space showing the position of the KULIlF e...

Published: 01 January 2011
F igure 6. Temperature-Δlog f O 2 (FMQ) space showing the position of the KULIlF equilibrium with displacements for a Lct = 0.8 and a Kfs = 0.95. Positions of the QUIlF and AUNIlF equilibria are shown for comparison (calculated using QUILF). Reference curves of KULIlF and AUNIlF
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Displaced AUNIlF surfaces based on equilibrium conditions of the analyzed s...

Displaced AUNIlF surfaces based on equilibrium conditions of the analyzed s...

Published: 01 January 2011
F igure 4. Displaced AUNIlF surfaces based on equilibrium conditions of the analyzed silicate compositions with QUILF-adjusted ilmenite and titanomagnetite. Triangles represent results from two-oxide oxythermometry and error bars are uncertainties from the QUILF runs. Intersecting points
Journal Article

VARIATION IN MINERALOGY, TEMPERATURE, AND OXYGEN FUGACITY IN A SUITE OF STRONGLY PERALKALINE LAVAS AND TUFFS, PANTELLERIA, ITALY

John Charles White, Minghua Ren, Don F. Parker
Published: 01 August 2005
The Canadian Mineralogist (2005) 43 (4): 1331–1347.
DOI: https://doi.org/10.2113/gscanmin.43.4.1331
...TABLE 9. QUILF 95 RESULTS, PANTELLERIA SUITE ...
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Oxygen fugacity of martian basalts from electron microprobe oxygen and TEM-EELS analyses of Fe-Ti oxides

Christopher D.K. Herd, James J. Papike, Adrian J. Brearley
Published: 01 September 2001
American Mineralogist (2001) 86 (9): 1015–1024.
DOI: https://doi.org/10.2138/am-2001-8-908
... microscope. The spinels are stoichiometric within the errors of the techniques, enabling the calculation of oxygen fugacity with confidence. The oxygen fugacity is calculated using the Ghiorso-Sack and Ca-QUIlF models, which also yield estimates of temperature. The oxygen fugacity of the martian basalts...
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Journal Article

AUGITE–OLIVINE EQUILIBRIA IN THE KIGLAPAIT INTRUSION, LABRADOR, CANADA

Stearns A. Morse
Published: 01 April 2001
The Canadian Mineralogist (2001) 39 (2): 267–274.
DOI: https://doi.org/10.2113/gscanmin.39.2.267
...F ig . 2. Augite–olivine pairs as recalculated at high temperature by the QUILF routine of Andersen et al. (1993) and published in Table 2 of Morse (1996) . ...
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Equilibria among titanite, hedenbergite, fayalite, quartz, ilmenite, and magnetite; experiments and internally consistent thermodynamic data for titanite

Dimitrios Xirouchakis, Donald H. Lindsley
Published: 01 August 1998
American Mineralogist (1998) 83 (7-8): 712–725.
DOI: https://doi.org/10.2138/am-1998-7-804
..., and quartz (QUILF database) allow refinement of standard state thermochemical data for end-member titanite (A2/a space group): Delta H 0 = -2607.41 kj/mol; S 0 = 106.00 J/(mol.K); Delta G 0 = -2458.95 kJ/mol and require modification of published heat capacity equations to: C p = 591460608/T 3 -5118324/T 2...
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Summary plot of pyroxene and olivine compositions, as projected through QUI...

Summary plot of pyroxene and olivine compositions, as projected through QUI...

Published: 01 August 2010
F ig . 9. Summary plot of pyroxene and olivine compositions, as projected through QUILF ( Andersen et al. 1993 ).
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Comparison of the crystallizing and/or re-equilibration conditions of nephe...

Comparison of the crystallizing and/or re-equilibration conditions of nephe...

Published: 01 January 2011
F igure 5. Comparison of the crystallizing and/or re-equilibration conditions of nepheline-bearing QUIlF-type assemblages discussed in the text. The AUNIlF assemblage found in sample MSH 14 is interpreted to represent the upper limit of fayalite component in olivine from the AUNIlF assemblage
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Ternary plot (adapted from Lindsley 1983 ) showing host Cpx, lamella Opx, ...

Ternary plot (adapted from Lindsley 1983 ) showing host Cpx, lamella Opx, ...

Published: 01 August 2022
Figure 11. Ternary plot (adapted from Lindsley 1983 ) showing host Cpx, lamella Opx, and recombined “proto-Cpx” compositions for two grains from S98-14 and the subsequent calculated temperatures. Pyroxene end-member compositions were calculated using the QUILF program and temperatures calculated
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Augite-olivine tie lines: (a) as observed; (b) as calculated from the Q...

Augite-olivine tie lines: (a) as observed; (b) as calculated from the Q...

Published: 01 October 2004
F igure 14. Augite-olivine tie lines: (a) as observed; (b) as calculated from the QUILF equilibrium for the approximate crystallization temperatures of the intrusion ( Morse 1996 ). Dotted tie lines are shown in sampling gaps to emphasize the inferred continuity of the fractionation