Calculations specified on this page are performed using the model of:
Ghiorso MS, Gualda GAR (2015) An H2O - CO2 mixed fluid saturation model compatible with rhyolite-MElTS. Contributions to Mineralogy and Petrology doi:10.1007/s00410-015-1141-8.
Instructions for using this calculator are available from the Help menu.
Note: If the calculator does not load within a reasonable time interval, the server performing these calculations here at OFM Research is likely in an unresponsive state. If you encounter this error, please email the webmaster, who will reboot the server to restore functionality.
The app below may not load if you are using the Safari or Chrome browser, which disallows in-page access. In that case either "Enable Cross-Origin Restrictions" from the browser Developer menu or click the following link to load the app on a new page. Access calculator