Textural evolution of synthetic fluid inclusions in quartz during reequilibration,with applications to tectonic reconstruction |
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| Authors: | Maxim O Vityk Robert J Bodnar |
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| Institution: | (1) Fluids Research Laboratory, Department of Geological Sciences, Virginia Polytechnic Institute and State University, 24061 Blacksburg, VA, USA |
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| Abstract: | Experimental reequilibration of synthetic 10 wt% NaCl-H2O inclusions in natural quartz reveals that reequilibration textures show distinct differences depending upon the P-T path
followed by the inclusion after formation. These differences combined with other geological information may be used to determine
whether the sample (rock) followed a dominantly isothermal or isobaricP-T path following entrapment. The intensity and style of inclusion reequilibration features is related to the direction and
magnitude of the departure of theP-T path from the original isochore for the inclusion. Thus, fluid inclusion reequilibration textures not only permit inclusionists
to determine whether the rocks followed an isothermal or isobaric retrogradeP-T path, but also the magnitude of departure of this path from one that is isochoric.
Editorial responsibility: J. Touret |
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