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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. Williams, M.L., Cleveland, M., Condit C.D University of Massachusetts-Amherst. CD-ROM Synthesis, 2002. East Lake Athabasca - Anhydrous felsic granulite. Qtz. Grt. Kfs + Pl.

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Williams, M.L., Cleveland, M., Condit C.D University of Massachusetts-Amherst

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  1. Building a dynamic image-based database: Integrating thin section images and data using Dynamic Digital Maps . Williams, M.L., Cleveland, M., Condit C.D University of Massachusetts-Amherst

  2. CD-ROM Synthesis, 2002

  3. East Lake Athabasca - Anhydrous felsic granulite Qtz Grt Kfs + Pl Sil

  4. East Lake Athabasca - Anhydrous felsic granulite Qtz Grt Kfs + Pl Sil

  5. Legs Lake shear zone - Hydrated felsic granulites Qtz Pl Sil Bt Qtz Grt 3 mm

  6. Hydrated felsic granulites Retrograde assemblage: Grt +Bt + Crd + Sil + Pl + Qtz 0.4-0.5 GPa, 550-600 °C Bt Crd Grt 0.5 mm Sil

  7. Thermobarometry from Williams et al., 1995

  8. P-T pseudosection for hydrated felsic granulite 1.0 0.8 GPa 0.6 0.4 0.2 500 600 700 800 900 1000°C

  9. Felsic granulites - P-MH2O pseudosection 1.0 0.8 Pressure [GPa] 0.6 0.4 0.2 0.0 0.2 0.6 0.8 1.0 (1.5 wt% H2O) MH2O

  10. Mapping-based approach -Full thin section X-ray maps Monazite distribution in retrograde felsic granulite MgKa Monazite Bt Grt

  11. Felsic granulites -Monazite dating results

  12. Felsic granulite evolution Xnt: 1800-1830 MA

  13. 1.2 1.0 0.8 GPa 0.6 0.4 0.2 400 600 800 1000°C East Athabasca, Canada P-T-t-D paths

  14. Upper Granite Gorge, Grand Canyon

  15. Upper Granite Gorge, Grand Canyon

  16. Upper Granite Gorge, Grand Canyon

  17. Upper Granite Gorge, Grand Canyon

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