TABLE OF CONTENTS Regional setting Extent in the Eastern Uinta Mountains General features and distribution Post-Bishop, pre-Browns Park change in drainage direction Bishop Conglomerate beneath the Browns Park Formation Critical relationship of the Browns Park Formation to the Bishop Conglomerate near Lily Park Random relationship of the Browns Park Formation to the Gilbert Peak erosion surface North flank Adjustments on the south flankin the Pot Creek area ILLUSTRATIONS FIGURES FRONTISPIECE. View north up Lodore Canyon toward Browns Park. 15. Maps showing: 1. Regional setting of the Uinta Mountains 2. Pertinent features in the Eastern Uinta Mountains region 3. Structural setting of the Uinta anticline 4. Generalized structure of the Uinta Mountains 5. Distribution of Browns Park Formation, Bishop Conglomerate, and Gilbert Peak erosion surface 6. Photographs depicting character and extent of Gilbert Peak erosion surface 7. Composite profile of erosion remnants between Gilbert Peak and Green River airport 812. Photographs showing: 8. Aerial view, Davis DrawHoy Flat area 9. Remnants of the Gilbert Peak erosion surface in the easternmost Uinta Mountains 10. Gilbert Peak erosion surface forming east rim of Lodore Canyon 11. Wild Mountain as seen from "Harpers Plateau" 12. Felsenmeer on the Madison Limestone, Douglas Mountain 13. Map showing generalized distribution of Bishop Conglomerate and Browns Park Formation in southeastern Uinta Mountains FIGURES, 1416. Photographs of the Bishop Conglomerate: 14. At south end of Little Mountain 15. At southwest end of Little Mountain 16. Coarsening-upward sequence at Sand Wash 17. Diagram showing directions of deltaic foreset bedding in the Laney Shale Member of the Green River Formation and transport directions of the Bishop Conglomerate 1820. Photographs showing: 18. Eolian crossbedding in the Browns Park Formation 19. Water-laid tuffs in the Browns Park Formation 20. Bishop Conglomerate resting on Morrison Formation 21. Sketch section showing relationship of Bishop Conglomerate to Browns Park Formation at canyon of Little Snake River 22. Photograph of basal conglomerate of Browns Park Formation resting on truncated Glen Canyon Sandstone 23. Aerial photograph over Browns Park looking north across Cold Spring Mountain 24. Diagram showing how a fault that initially controlled drainage can shift away from drainage during degradation 25. Generalized tectonic map of the Eastern Uinta Mountains 26. Cross section drawn to explain middle to late Tertiary deformation of the Gilbert Peak erosion surface 27. Map showing general extent of faults on north flank of Uinta Mountains between Flaming Gorge and Browns Park 28. Cross section showing displacement of Gilbert Peak erosion surface in the Goslin Mountain area 29. Geologic section showing northerly tilt of Gilbert Peak erosion surface on Blue Mountain 30. Structure map of base of Bishop Conglomerate showing post-Bishop warping and faulting of Gilbert Peak erosion surface, Diamond MountainIsland ParkBlue Mountain area 31. Profiles along both flanks of Uinta Mountains, showing eastward decline in altitude of Gilbert Peak erosion surface 32. Photograph of Bishop-capped berm on the south flank of Stuntz Ridge 33. Structure map of the Bishop Conglomerate in the Wolf Creek area 34. Photograph from rim of Johnson Draw west-northwest along the Yampa fault 3537. Maps showing: 35. Development of Green River from late Oligocene time to present 36. Barbed tributaries in Cart Creek area 37. Distribution of Bishop Conglomerate in Pot Creek area 38. Diagram demonstrating effect of tilt on the low point of a concave-upward profile 39. Drainage map of the Blue Mountain area 40. Sketch map of hills, drainages, and tectonic features of northeast flank of Uinta Mountains 41. Diagram showing subsidence of Bear Mountain and reversal of gradient of Gilbert Peak erosion surface 42. Geologic map of Vermillion Creek area affected by beheading of Irish Canyon 43. Photograph of Klauson Pasture, showing terrace incised below Bishop Conglomerate 44. Photograph of Yampa River emerging from Cross Mountain Canyon 45. Geologic map and section showing large, retrogressive landslides in Yampa Canyon 46. Block diagram of a retrogressive landslide 47. Photographs of Quaternary terraces in the Eastern Uinta Mountains area TABLES TABLE 1. Distance from nearest possible sources of Bishop Conglomerate and maximum observed sizes of clasts 2. Summary of Tertiary and Quaternary tectonic, geomorphic, and sedimentologic events
pp/1356/contents.htm Last Updated: 09-Nov-2009 |