Determination of fluid properties at high pressures and temperatures

Speciation and solubility in aqueous fluids and fluid-melt partitioning determined using Raman spectroscopy

Sn(IV) speciation in an experiment with cassiterite (SnO2) and 1.63 molal HCl solution determined in situ using Raman spectroscopy.
Sn(IV) speciation in an experiment with cassiterite (SnO2) and 1.63 molal HCl solution determined in situ using Raman spectroscopy. (Fig.: C. Schmidt, GFZ)

Complexation of heavy elements, solubility in aqueous fluids, fluid-melt partitioning, and kinetics of mineral/melt-fluid interaction...

In situ XRF/XAS experiments at synchrotron radiation facilities (example: microfocus beamline ID22, European Synchrotron Radiation Facility, Grenoble).
In situ XRF/XAS experiments at synchrotron radiation facilities (example: microfocus beamline ID22, European Synchrotron Radiation Facility, Grenoble). (Fig.: C. Schmidt, GFZ)

Complexation of heavy elements, solubility in aqueous fluids, fluid-melt partitioning, and kinetics of mineral/melt-fluid interaction determined from synchrotron-radiation absorption and fluorescence spectroscopy and modified HDAC.

Crystal growth in pegmatite melts

Pegmatitic texture developed by crystallization of a haplogranitic melt with added Li2O, B2O3 and H2O after 113 hours at 600°C, 180 MPa and 72 hours at 550°C, 150 MPa in the sample chamber of a hydrothermal diamond-anvil cell.
Pegmatitic texture developed by crystallization of a haplogranitic melt with added Li2O, B2O3 and H2O after 113 hours at 600°C, 180 MPa and 72 hours at 550°C, 150 MPa in the sample chamber of a hydrothermal diamond-anvil cell. (Fig.: C. Schmidt, GFZ)

Principal investigator

Prof. Dr. M. L. Sirbescu, Central Michigan University

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