Limits on the precision of geobarometry at low grossular and anorthite content

American Mineralogist

Volumn 83, Issue 11-12 PART 1, 1998, Pages 1161-1167

  Todd, Clifford S ^a  

^a UNIVERSITY OF HAWAII   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACTIVITY MODELS; AMPHIBOLITE FACIES; IN COMPOSITIONS; MOLE FRACTION; PRESSURE AND TEMPERATURE; STANDARD DEVIATION; THERMOBAROMETRY; THERMODYNAMIC DATABASE;

FELDSPAR;

ANORTHITE; FELDSPAR; GARNET; GEOBAROMETRY; GROSSULAR; PRECISION;

EID: 0032433098     PISSN: 0003004X     EISSN: None     Source Type: Journal    
DOI: 10.2138/am-1998-11-1203     Document Type: Article

References (25)

1. Anderson, G.M. (1977a) The accuracy and precision of calculated mineral dehydration equilibria. In D.G. Fraser, Ed., Thermodynamics in Geology, 115-136. Reidel, Boston.
2. _(1977b) Uncertainties in calculations involving thermodynamic data. In H.J. Greenwood, Ed., Applications of Thermodynamics to Petrology and Ore Deposits, MAC Short Course, 199-214. Love, Ottawa.
3. Applegate, J.D.R. and Hodges, K.V. (1994) Empirical evaluation of solution models for pelitic minerals and their application to thermobarometry. Contributions to Mineralogy and Petrology, 117, 56-65.
4. 2. Journal of Petrology, 29, 445-522.
5. _(1990) Mixing properties of Ca-Mg-Fe-Mn garnets. American Mineralogist, 75, 328-352.
6. _(1991) Thermobarometry using multi-equilibrium calculations: a new technique, with petrological applications. Canadian Mineralogist, 29, 833-855.
7. Bohlen, S.R. and Liotta, J.J. (1986) A barometer for garnet amphibolites and garnet granulites. Journal of Petrology, 27, 1025-1034.
8. 2O. American Mineralogist, 60, 985-993.
9. Engi, M., Todd, C.S., and Schmatz, D.R. (1995) Tertiary metamorphic conditions in the eastern Lepontine Alps. Schweizerische Mineralogische und Petrographische Mitteilungen, 75, 347-369.
10. Fuhrman, M.L. and Lindsley, D.H. (1988) Ternary-feldspar modeling and thermometry. American Mineralogist, 73, 201-215.
11. 5-quartz: a potential geobarometer-geothermometer. American Mineralogist, 61, 710-714.
12. Ghent, E.D. and Stout, M.Z. (1981) Geobarometry and geothermometry of plagioclase-biotite-garnet-muscovite assemblages. Contributions to Mineralogy and Petrology, 76, 92-97.
13. Gordon, T.M. (1992) Generalized thermobarometry: Solution of the inverse chemical equilibrium problem using data for individual species. Geochimica et Cosmochimica Acta, 56, 1793-1800.
14. Gordon, T.M., Aronovich, L.Y., and Fed'kin, V.V. (1994) Exploratory data analysis in thermobarometry: An example from the Kisseynew sedimentary gneiss belt, Manitoba, Canada. American Mineralogist, 79, 973-982.
15. Hodges, K.V. and Crowley, P.D. (1985) Error estimation and empirical geothermobarometry for pelitic systems. American Mineralogist, 70, 702-709.
16. Hodges, K.V. and McKenna, L.W. (1987) Realistic propagation of uncertainties in geologic thermobarometry. American Mineralogist, 72, 671-680.
17. Kohn, M.J. and Spear, F.S. (1991a) Error propagation for barometers: 1. Accuracy and precision of experimentally located end-member reactions. American Mineralogist, 76, 128-137.
18. _(1991b) Error propagation for barometers: 2. Application to rocks American Mineralogist, 76, 138-147.
19. Kretz, R. (1983) Symbols for rock-forming minerals. American Mineralogist, 68, 277-279.
20. Lieberman, J. and Petrakakis, K. (1991) TWEEQU thermobarometry: Analysis of uncertainties and application to granulites from western Alaska and Austria. Canadian Mineralogist, 29, 857-887.
21. McKenna, L.W. and Hodges, K.V. (1988) Accuracy versus precision in locating reaction boundaries: Implications for the garnet-plagioclase-aluminum silicate-quartz geobarometer. American Mineralogist, 73, 1205-1208.
22. McMullin, D., Berman, R.G., and Greenwood, H.J. (1991) Calibration of the SGAM thermobarometer for pelitic rocks using data from phase equilibrium experiments and natural assemblages. Canadian Mineralogist, 29, 889-908.
23. Powell, R. and Holland, T. (1994) Optimal geothermometry and geobarometry. American Mineralogist, 79, 120-133.
24. Powell, R. and Holland, T.J.B. (1988) An internally consistent thermodynamic dataset with uncertainties and correlations: 3. Applications to geobarometry, worked examples and a computer program. Journal of Metamorphic Geology, 6, 173-204.
25. Todd, C.S. and Engi, M. (1997) Metamorphic Field Gradients in the Central Alps. Journal of Metamorphic Geology, 15, 513-530.