Electronic Resource
Springer
Contributions to mineralogy and petrology
46 (1974), S. 241-247
ISSN:
1432-0967
Source:
Springer Online Journal Archives 1860-2000
Topics:
Geosciences
Notes:
Abstract The template transformation allows rapid straight line plotting of fluid-bearing reactions for conditions exceeding the two phase field in water-carbon dioxide. The system CaO-MgO-SiO2-H2O-CO2 with the six solid phase tale, tremolite, quartz, magnesite, calcite, and dolomite is treated at 2Kb. These phases, in T-NH2O space at constant pressure, participate in two invariant points and eight reactions. Published T-NH2O data for three of these reactions at 2Kb are transformed using the template into LnK-1/T space to yield the parameters of the best (by eye) straight lines. The parameters of the other five reaction lines are derived by linear combination of these parameters. The reactions belonging to one invariant point in T-NH2O space will be straight lines that intersect at a single point in ln K-1/T space. This point is not the transformation of the invariant point, and it occurs because of the linear relationship between the reactions. Errors need to be considered in transforming the system back into T-NH2O space, especially when reactions lines with shallow slopes are involved.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00487560
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