Startseite Temporal stability and pressure calibration of barium carbonate and talc/pyrex pressure media in a piston-cylinder apparatus
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Temporal stability and pressure calibration of barium carbonate and talc/pyrex pressure media in a piston-cylinder apparatus

  • John Longhi EMAIL logo
Veröffentlicht/Copyright: 28. März 2015
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American Mineralogist
Aus der Zeitschrift American Mineralogist Band 90 Heft 1

Abstract

New melting experiments in a 0.5 inch piston-cylinder apparatus from 0.5 to 3.0 GPa on compositions along the diopside-wollastonite join show that the eutectic liquid composition, which varies with pressure, does not change with time in experiments with barium carbonate or with talc/pyrex pressure media. Mapping out the trace of the diopside-wollastonite eutectic curve in P-T space with both piston-in and piston-out experiments reveals high-temperature pressure intensification in piston-in experiments with barium carbonate or talc/pyrex assemblies, in contrast to frictional loss of pressure at lower temperatures. A new pressure correction algorithm, derived by multiple regression analysis, incorporates both effects. When applied to a barium carbonate experiment at the intersection of the CMAS spinel-lherzolite to garnet-lherzolite transition (SGT) with the model peridotite solidus, the model pressure increases from 2.25 to 2.82 GPa. When a similar type of correction is applied to piston- out experiments run in talc/pyrex assemblies, the pressure of the intersection of the SGT and the CMAS solidus decreases from 3.0 to ~2.9 GPa, in agreement with the barium carbonate experiments from this study and with experiments from other studies run with salt/pyrex assemblies.

Received: 2003-5-6
Accepted: 2004-7-23
Published Online: 2015-3-28
Published in Print: 2005-1-1

© 2015 by Walter de Gruyter Berlin/Boston

Artikel in diesem Heft

  1. Contact metamorphism of the White Mountain Peak metavolcanic complex, eastern California
  2. Structure and luminescence characteristics of quartz from pegmatites
  3. Evidence for monazite-, barite-, and AgMnO4 (distorted barite)-type structures of CaSO4 at high pressure and temperature
  4. The “template” effect of the extra-framework content on zeolite compression: The case of yugawaralite
  5. The influence of OH in coesite on the kinetics of the coesite-quartz phase transition
  6. First-principles study of hydrogen bond symmetrization of phase D under high pressure
  7. First-principles study of OH-stretching modes in kaolinite, dickite, and nacrite
  8. A systematic study of OH in hydrous wadsleyite from polarized FTIR spectroscopy and single-crystal X-ray diffraction: Oxygen sites for hydrogen storage in Earthʼs interior
  9. Determination of the content and distribution of fixed ammonium in illite-smectite using a modified X-ray diffraction technique: Application to oil source rocks of western Greenland
  10. Determination of defect structures in kaolin minerals by high-resolution transmission electron microscopy (HRTEM)
  11. Mössbauer spectroscopy of omphacite and garnet pairs from eclogites: Application to geothermobarometry
  12. Allanite and epidote weathering at the Coweeta Hydrologic Laboratory, western North Carolina, U.S.A.
  13. Ca2SiO3OHF—A high-pressure phase with dense calcium polyhedral packing and tetrahedral silicon
  14. Relationships between SEM-cathodoluminescence response and trace-element composition of hydrothermal vein quartz
  15. Quantitative evaluation of attenuation contrast of X-ray computed tomography images using monochromatized beams
  16. Biotic and abiotic products of Mn(II) oxidation by spores of the marine Bacillus sp. strain SG-1
  17. The Mn, Mg-intracrystalline exchange reaction in donpeacorite (Mn0.54Ca0.03Mg1.43Si2O6) and its relation to the fractionation behavior of Mn in Fe, Mg-orthopyroxene
  18. Crystal structures of chalcostibite (CuSbS2) and emplectite (CuBiS2): Structural relationship of stereochemical activity between chalcostibite and emplectite
  19. Hydration and swelling of synthetic Na-saponites: Influence of layer charge
  20. Dehydroxylation and CO2 incorporation in annealed mica (sericite): An infrared spectroscopic study
  21. Relict coesite exsolution in omphacite from Western Tianshan eclogites, China
  22. Hyperfine electric field gradients and local distortion environments of octahedrally coordinated Fe2+
  23. A synchrotron Mössbauer spectroscopy study of (Mg,Fe)SiO3 perovskite up to 120 GPa
  24. Temporal stability and pressure calibration of barium carbonate and talc/pyrex pressure media in a piston-cylinder apparatus
  25. Cation ordering in magnesioferrite, MgFe2O4, to 982 °C using in situ synchrotron X-ray powder diffraction
  26. Halite-sylvite thermoconsolution
  27. The role of water in the structures of synthetic hallimondite, Pb2[(UO2)(AsO4)2](H2O)n and synthetic parsonsite, Pb2[(UO2)(PO4)2](H2O)n, 0 ≤ n ≤ 0.5
  28. Variable-temperature structural studies of tetranatrolite from Mt. Saint-Hilaire: Synchrotron X-ray powder diffraction and Rietveld analysis
  29. Letter. Pressure-induced stabilization of ordered paranatrolite: A new insight into the paranatrolite controversy
  30. Letter. The effect of zinc sulfide on phase transformations of ferrihydrite
  31. Letter. Stability and equation of state of MgGeO3 post-perovskite phase
  32. Letter. Pressure dependence of the OH-stretching mode in F-rich natural topaz and topaz-OH
https://doi.org/10.2138/am.2005.1348

Artikel in diesem Heft

  1. Contact metamorphism of the White Mountain Peak metavolcanic complex, eastern California
  2. Structure and luminescence characteristics of quartz from pegmatites
  3. Evidence for monazite-, barite-, and AgMnO4 (distorted barite)-type structures of CaSO4 at high pressure and temperature
  4. The “template” effect of the extra-framework content on zeolite compression: The case of yugawaralite
  5. The influence of OH in coesite on the kinetics of the coesite-quartz phase transition
  6. First-principles study of hydrogen bond symmetrization of phase D under high pressure
  7. First-principles study of OH-stretching modes in kaolinite, dickite, and nacrite
  8. A systematic study of OH in hydrous wadsleyite from polarized FTIR spectroscopy and single-crystal X-ray diffraction: Oxygen sites for hydrogen storage in Earthʼs interior
  9. Determination of the content and distribution of fixed ammonium in illite-smectite using a modified X-ray diffraction technique: Application to oil source rocks of western Greenland
  10. Determination of defect structures in kaolin minerals by high-resolution transmission electron microscopy (HRTEM)
  11. Mössbauer spectroscopy of omphacite and garnet pairs from eclogites: Application to geothermobarometry
  12. Allanite and epidote weathering at the Coweeta Hydrologic Laboratory, western North Carolina, U.S.A.
  13. Ca2SiO3OHF—A high-pressure phase with dense calcium polyhedral packing and tetrahedral silicon
  14. Relationships between SEM-cathodoluminescence response and trace-element composition of hydrothermal vein quartz
  15. Quantitative evaluation of attenuation contrast of X-ray computed tomography images using monochromatized beams
  16. Biotic and abiotic products of Mn(II) oxidation by spores of the marine Bacillus sp. strain SG-1
  17. The Mn, Mg-intracrystalline exchange reaction in donpeacorite (Mn0.54Ca0.03Mg1.43Si2O6) and its relation to the fractionation behavior of Mn in Fe, Mg-orthopyroxene
  18. Crystal structures of chalcostibite (CuSbS2) and emplectite (CuBiS2): Structural relationship of stereochemical activity between chalcostibite and emplectite
  19. Hydration and swelling of synthetic Na-saponites: Influence of layer charge
  20. Dehydroxylation and CO2 incorporation in annealed mica (sericite): An infrared spectroscopic study
  21. Relict coesite exsolution in omphacite from Western Tianshan eclogites, China
  22. Hyperfine electric field gradients and local distortion environments of octahedrally coordinated Fe2+
  23. A synchrotron Mössbauer spectroscopy study of (Mg,Fe)SiO3 perovskite up to 120 GPa
  24. Temporal stability and pressure calibration of barium carbonate and talc/pyrex pressure media in a piston-cylinder apparatus
  25. Cation ordering in magnesioferrite, MgFe2O4, to 982 °C using in situ synchrotron X-ray powder diffraction
  26. Halite-sylvite thermoconsolution
  27. The role of water in the structures of synthetic hallimondite, Pb2[(UO2)(AsO4)2](H2O)n and synthetic parsonsite, Pb2[(UO2)(PO4)2](H2O)n, 0 ≤ n ≤ 0.5
  28. Variable-temperature structural studies of tetranatrolite from Mt. Saint-Hilaire: Synchrotron X-ray powder diffraction and Rietveld analysis
  29. Letter. Pressure-induced stabilization of ordered paranatrolite: A new insight into the paranatrolite controversy
  30. Letter. The effect of zinc sulfide on phase transformations of ferrihydrite
  31. Letter. Stability and equation of state of MgGeO3 post-perovskite phase
  32. Letter. Pressure dependence of the OH-stretching mode in F-rich natural topaz and topaz-OH
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