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In-situ Raman spectroscopy of quartz: A pressure sensor for hydrothermal diamond-anvil cell experiments at elevated temperatures
Abstract Changes in frequency and linewidth of the 206 and 464 cm-1 A1 Raman modes of quartz were determined over temperatures from 23 to 800 °C and simultaneously at pressures ranging between 0.1…
Synthetic fluid inclusions: XVI. PVTX properties in the system H2O-NaCl-CO2 at elevated temperatures, pressures, and salinities
Fluid inclusions as tectonothermobarometers: Relation between pressure-temperature history and reequilibration morphology during crustal thickening
Results of experimental reequilibration studies of natural primary aqueous inclusions in quartz under conditions of hydrostatic compressive loading at 1, 2, 3, 4, and 5 kbar and 500 °C indicate that…
Speciation in aqueous MgSO(4) fluids at high pressures and high temperatures from ab initio molecular dynamics and Raman spectroscopy.
Analysis of the simulations indicates the coexistence of more than three species, including dissociated SO42−(aq) ions, and contact and triple ion pairs as well as larger complexes, in two molal aqueous MgSO4 solutions at high pressures and temperatures.
Experimental evidence of three coexisting immiscible fluids in synthetic granitic pegmatite
Abstract We present an experimental study of synthetic peraluminous granite doped with H2O, B, P, and F, which confirms that aluminosilicate melt, hydrous fluid, and hydrosaline melt…
Formation of hydrothermal tin deposits: Raman spectroscopic evidence for an important role of aqueous Sn(IV) species
- C. Schmidt
Raman spectroscopic determination of carbon speciation and quartz solubility in H 2 O + Na 2 CO 3 and H 2 O + NaHCO 3 fluids to 600 °C and 1.53 GPa
- C. Schmidt
- 15 November 2014
In-situ determination of mineral solubilities in fluids using a hydrothermal diamond-anvil cell and SR-XRF: Solubility of AgCl in water
Abstract A hydrothermal diamond-anvil cell has been designed for the in situ analysis of the concentration of elements in fluids and melts using synchrotron radiation X-ray fluorescence. This…
Raman spectroscopic study of a H2O + Na2SO4 solution at 21– 600 °C and 0.1 MPa to 1.1 GPa: Relative differential ν1-SO42- Raman scattering cross sections and evidence of the liquid–liquid transition
- C. Schmidt
- 15 January 2009