Chlorite, Biotite, Illite, Muscovite and Feldspar Dissolution Kinetics at Variable pH and Temperatures up to 280 deg C

Published by Lawrence Livermore National Laboratory | Department of Energy | Metadata Last Checked: June 28, 2025 | Last Modified: 2018-06-13T17:05:44Z

Chemical reactions pose an important but poorly understood threat to EGS long-term success because of their impact on fracture permeability. This report summarizes the dissolution rate equations for layered silicates where data were lacking for geothermal systems. Here we report updated rate laws for chlorite (Carroll and Smith 2013), biotite (Carroll and Smith, 2015), illite (Carroll and Smith, 2014), and for muscovite. Also included is a spreadsheet with rate data and rate equations for use in reactive transport simulators.

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Complete Metadata

bureauCode	[ "019:20" ]
dataQuality	true
DOI	10.15121/1441454
identifier	https://data.openei.org/submissions/7086
issued	2017-02-24T07:00:00Z
landingPage	https://gdr.openei.org/submissions/910
programCode	[ "019:006" ]
projectLead	Lauren Boyd
projectNumber	FY14 AOP 1422
projectTitle	The Viability of Sustainable, Self-Propping Shear Zones in Enhanced Geothermal Systems: Measurement of Reaction Rates at Elevated Temperatures
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