List of Figures
- 1. Regional map of the Colorado Frontal Range
- 2. Detailed geological map of study area and the sample locations
- 3. The general geology of Big Thompson Canyon
- Table 2. Samples collected in and around Big Thompson Canyon region of northern Front Range
- 4. Matrix foliation relationships
- 5. Structural map of the area
- 6. The FIAs method
- 7. Representative photomicrographs and line diagrams of garnet and staurolite porphyroblasts.
- 8. Photomicrograph and the line diagram of a garnet porphyroblast
- 9. Photomicrograph and the line diagram of a staurolite porphyroblast
- 10. Photomicrographs and line diagrams of Andalusite and cordierite porphyroblasts
- Table 3. Relative succession of FIAs measured in samples where both garnet and staurolite porphyroblast occur in a single sample (units are in degrees)
- Table 4. Relative succession of FIAs, within garnet and staurolite porphyroblast, using core/rim and pseudo-FIA criteria (read text for details)
- 11. FIA trends for successive FIA sets in Big Thompson region of Colorado Rockies
- 12. Equal area rose plot of all FIA trends measured within samples
- 13. Equal area rose plot of all samples preserving multiple FIA trends
- 14. The photomicrographs show garnet porphyroblast within younger mineral phases
- 15. The photomicrographs show staurolite grains replaced by andalusite and mica
- 16. The photomicrograph shows andalusite blast replaced by cordierite
- 17. The photomicrographs show late andalusite and cordierite grains
- 18. The staurolite isograds plotted on a geological map
- 19. The andalusite and cordierite FIA generated isograds plotted on a geological map
- 20. Location of all regional folds
- 21. Rose plot of FIA trends and fold axial traces
- 22. Lower hemisphere equal area projections of the mean FIA trends
- 23. Histograms showing the distribution of FIAs