COLOR PLATES 



The signature of color plates follows page 14. 



Plate 1. Precambrian Orogenic Belts 



Plate 2. Cambrian Tectonic Map 



Plate 3. Ordovician Tectonic Map 



Plate 4. Silurian Tectonic Map 



Plate 5. Devonian Tectonic Map 



Plate 6. Mississippian Tectonic Map 



Plate 7. Pennsylvanian Tectonic Map 



Plate 8. Permian Tectonic Map 



Plate 9. Triassic Tectonic Map 



Plate 10. Jurassic Tectonic Map 



Plate 11. Early Cretaceous Tectonic Map 



Plate 12. Late Cretaceous Tectonic Map 



Plate 13. Tectonic Map of the Cretaceous-Tertiary Transition 



Plate 14. Early Tertiary Tectonic Map 



Plate 15. Late Tertiary and Quaternary Tectonic Map 



IX 



