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Published byRafe Lawson Modified over 9 years ago
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Williams, M.L., Cleveland, M., Condit C.D University of Massachusetts-Amherst Building a dynamic image-based database: Integrating thin section images and data using Dynamic Digital Maps.
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CD-ROM Synthesis, 2002
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East Lake Athabasca - Anhydrous felsic granulite Grt Kfs + Pl Qtz Sil
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East Lake Athabasca - Anhydrous felsic granulite Grt Kfs + Pl Qtz Sil
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Grt Qtz Sil Bt Pl Qtz 3 mm Legs Lake shear zone - Hydrated felsic granulites
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Grt Crd Bt 0.5 mm Sil Hydrated felsic granulites Retrograde assemblage: Grt +Bt + Crd + Sil + Pl + Qtz 0.4-0.5 GPa, 550-600 °C
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Thermobarometry from Williams et al., 1995
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1.0 0.8 0.6 0.4 0.2 GPa 5006008001000°C700900 P-T pseudosection for hydrated felsic granulite
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1.0 0.8 0.6 0.4 0.2 Pressure [GPa] Felsic granulites - P-MH2O pseudosection 0.00.20.61.0 (1.5 wt% H 2 O) 0.8 M H2O
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Monazite distribution in retrograde felsic granulite Mapping-based approach - Full thin section X-ray maps Grt Bt Monazite Mg K
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Felsic granulites - Monazite dating results
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Felsic granulite evolution Xnt: 1800-1830 MA
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East Athabasca, Canada P-T-t-D paths 0.8 0.6 0.4 0.2 GPa 4006008001000°C 1.2 1.0
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Upper Granite Gorge, Grand Canyon
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