Trace element behaviour during anatexis in the presence of a fluid phase

Details Trace element behaviour during anatexis in the presence of a fluid phase Trace element behaviour during anatexis in the presence of a fluid phase

Jun 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978gecoa..42..933s&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 42, Issue 6, pp.933-943

Computer Science

8

Scientific paper

If anatexis takes place in the presence of an immiscible volatile-rich fluid phase, the behaviour of a trace element depends not only on partition coefficients D i between mineral i and silicate liquid, but also on coefficients D i f between mineral i and fluid. The limited experimental data available, as well as theoretical arguments, suggest that for common minerals these coefficients differ, in some cases (REE) notably. Theory has been developed to permit calculation of concentration variations with the fraction F of rock melted, if D-values are known. In its present state this theory neglects the influence of T, P and composition variations in liquid and fluid on the D-values: if such variations can be expressed as functions of F, appropriate modifications can be made. The theory also neglects the effects of T and P on the solubility of fluid in liquid and the resulting modifications to phase petrology, by assuming simply that a given mass of rock melts in the presence of a mass proportion v of fluid. By choosing different values of v, from 0 (dry melting) to 100 (large fluid excess), the response of the trace element concentrations can be followed, beginning with concentration c o in the unmelted rock. Such treatment is highly idealised, but serves to indicate some limits on what can occur.

Affiliated with

Also associated with

No associations

Rating

Trace element behaviour during anatexis in the presence of a fluid phase does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Trace element behaviour during anatexis in the presence of a fluid phase, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Trace element behaviour during anatexis in the presence of a fluid phase will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-790292