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Successive zoning of Al and H in hydrothermal vein quartz

  • Naoya Miyoshi EMAIL logo , Yoshiaki Yamaguchi and Kuniaki Makino
Published/Copyright: March 28, 2015
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American Mineralogist
From the journal American Mineralogist Volume 90 Issue 2-3

Abstract

Electron microprobe and micro-FTIR (mFTIR) analyses of a quartz crystal from a hydrothermal vein reveal zoning in Al and H concentrations. The Al concentration ranges from 27 to 468 Al/106Si, and the H concentration ranges correspondingly from 49 to 266 H/106Si. The zoning profile reveals a positive correlation between Al and H concentrations. At low Al concentration (<100 Al/106 Si), the H/Al ratio is ~1.0 and the infrared spectra show strong bands due to Al-OH and very weak bands due to Li-OH. These results indicate that most of the charge imbalance resulting from Al3+ substituting for Si4+ is compensated by H. At an Al concentration >100 Al/106 Si, the ratio of H/Al drops to ~0.5 and the infrared spectra show absorption bands due to both Al-OH and Li-OH species. No other alkali ions were detected by microprobe analysis. These results suggest that a combination of H and Li are providing charge compensation in the more Al-rich zones. Replacement of Si4+ by Al3+ + H+ ± Li+ is the principal mechanism for the incorporation of these trace elements into the quartz structure.

Received: 2003-5-12
Accepted: 2004-10-28
Published Online: 2015-3-28
Published in Print: 2005-2-1

© 2015 by Walter de Gruyter Berlin/Boston

Articles in the same Issue

  1. Comparative planetary mineralogy: Valence state partitioning of Cr, Fe, Ti, and V among crystallographic sites in olivine, pyroxene, and spinel from planetary basalts
  2. The origin of orthopyroxene/biotite + plagioclase coronas from the Bolangir anorthosite complex (India), and implications for reconstructing P-T paths
  3. Dellaventuraite, NaNa2(MgMn23+Ti4+Li)Si8O22O2, a new anhydrous amphibole from the Kajlidongri Manganese Mine, Jhabua District, Madhya Pradesh, India
  4. Successive zoning of Al and H in hydrothermal vein quartz
  5. The Ti-saturation surface for low-to-medium pressure metapelitic biotites: Implications for geothermometry and Ti-substitution mechanisms
  6. Thermochemistry of hydrotalcite-like phases in the MgO-Al2O3-CO2-H2O system: A determination of enthalpy, entropy, and free energy
  7. Igneous thermometers and barometers based on plagioclase + liquid equilibria: Tests of some existing models and new calibrations
  8. Thermodynamic properties of the Tschermak solid solution in Fe-chlorite: Application to natural examples and possible role of oxidation
  9. Experimental data on the Tschermak substitution in Fe-chlorite
  10. Nanometer-sized, divalent-Mn, hydrous silicate domains in geothermal brine precipitates
  11. Geometric crystal chemical models for structural analysis of micas and their stacking polytypes
  12. Fundamental difference between synthetic powder and natural or synthetic single-crystal 1M micas: Geometric homo-octahedral vs. geometric meso-octahedral sheets
  13. The crystal structures of synthetic Fe2(SO4)3(H2O)5 and the type specimen of lausenite
  14. Experimental study of plagioclase rim growth around anorthite seed crystals in rhyodacitic melt
  15. Luminescence study of defects in synthetic as-grown and HPHT diamonds compared to natural diamonds
  16. Molar absorptivities of OH and H2O in rhyolitic glass at room temperature and at 400–600 °C
  17. Ordering and elasticity associated with low-temperature phase transitions in lawsonite
  18. Formation of metastable cubic-perovskite in high-pressure phase transformation of Ca(Mg, Fe, Al)Si2O6
  19. Oxygen isotope heterogeneities and diffusion profile in composite metamorphic-magmatic garnets from the Pyrenees
  20. Unmixed spinel in chromitite from the Iwanai-dake peridotite complex, Hokkaido, Japan: A reaction between peridotite and highly oxidized magma in the mantle wedge
  21. Mn-bearing “oxy-rossmanite” with tetrahedrally coordinated Al and B from Austria: Structure, chemistry, and infrared and optical spectroscopic study
  22. Geochemical applications of the simple salt approximation to the lattice energies of complex materials
  23. Letter: A method for controlling alkali-metal oxide activities in one-atmosphere experiments and its application to measuring the relative activity coeficients of NaO0.5 in silicate melts
  24. Letter: Very low solubility of rutile in H2O at high pressure and temperature, and its implications for Ti mobility in subduction zones
  25. Letter: Microscopic strain in synthetic pyrope-grossular solid solutions determined by synchrotron X-ray powder diffraction at 5 K: The relationship to enthalpy of mixing behavior
  26. Letter: Ferrous hydroxy carbonate is a stable transformation product of biogenic magnetite
https://doi.org/10.2138/am.2005.1355

Articles in the same Issue

  1. Comparative planetary mineralogy: Valence state partitioning of Cr, Fe, Ti, and V among crystallographic sites in olivine, pyroxene, and spinel from planetary basalts
  2. The origin of orthopyroxene/biotite + plagioclase coronas from the Bolangir anorthosite complex (India), and implications for reconstructing P-T paths
  3. Dellaventuraite, NaNa2(MgMn23+Ti4+Li)Si8O22O2, a new anhydrous amphibole from the Kajlidongri Manganese Mine, Jhabua District, Madhya Pradesh, India
  4. Successive zoning of Al and H in hydrothermal vein quartz
  5. The Ti-saturation surface for low-to-medium pressure metapelitic biotites: Implications for geothermometry and Ti-substitution mechanisms
  6. Thermochemistry of hydrotalcite-like phases in the MgO-Al2O3-CO2-H2O system: A determination of enthalpy, entropy, and free energy
  7. Igneous thermometers and barometers based on plagioclase + liquid equilibria: Tests of some existing models and new calibrations
  8. Thermodynamic properties of the Tschermak solid solution in Fe-chlorite: Application to natural examples and possible role of oxidation
  9. Experimental data on the Tschermak substitution in Fe-chlorite
  10. Nanometer-sized, divalent-Mn, hydrous silicate domains in geothermal brine precipitates
  11. Geometric crystal chemical models for structural analysis of micas and their stacking polytypes
  12. Fundamental difference between synthetic powder and natural or synthetic single-crystal 1M micas: Geometric homo-octahedral vs. geometric meso-octahedral sheets
  13. The crystal structures of synthetic Fe2(SO4)3(H2O)5 and the type specimen of lausenite
  14. Experimental study of plagioclase rim growth around anorthite seed crystals in rhyodacitic melt
  15. Luminescence study of defects in synthetic as-grown and HPHT diamonds compared to natural diamonds
  16. Molar absorptivities of OH and H2O in rhyolitic glass at room temperature and at 400–600 °C
  17. Ordering and elasticity associated with low-temperature phase transitions in lawsonite
  18. Formation of metastable cubic-perovskite in high-pressure phase transformation of Ca(Mg, Fe, Al)Si2O6
  19. Oxygen isotope heterogeneities and diffusion profile in composite metamorphic-magmatic garnets from the Pyrenees
  20. Unmixed spinel in chromitite from the Iwanai-dake peridotite complex, Hokkaido, Japan: A reaction between peridotite and highly oxidized magma in the mantle wedge
  21. Mn-bearing “oxy-rossmanite” with tetrahedrally coordinated Al and B from Austria: Structure, chemistry, and infrared and optical spectroscopic study
  22. Geochemical applications of the simple salt approximation to the lattice energies of complex materials
  23. Letter: A method for controlling alkali-metal oxide activities in one-atmosphere experiments and its application to measuring the relative activity coeficients of NaO0.5 in silicate melts
  24. Letter: Very low solubility of rutile in H2O at high pressure and temperature, and its implications for Ti mobility in subduction zones
  25. Letter: Microscopic strain in synthetic pyrope-grossular solid solutions determined by synchrotron X-ray powder diffraction at 5 K: The relationship to enthalpy of mixing behavior
  26. Letter: Ferrous hydroxy carbonate is a stable transformation product of biogenic magnetite
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