U.S. Department of the Interior U.S. Geological Survey Map and data for Quaternary faults and folds in Wyoming By Michael N. Machette, Kenneth L. Pierce, James P. McCalpin, Kathleen M. Haller, and Richard L. Dart Open-File Report 01-461 This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards nor with the North American Stratigraphic Code. Any use of trade names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government. 2001 TABLE OF CONTENTS PAGE INTRODUCTION ................................................................................................................................1 STRATEGY FOR MAP AND DATABASE ..............................................................................................2 SYNOPSIS OF QUATERNARY FAULTS AND FOLDS IN WYOMING ......................................................5 OVERVIEW OF QUATERNARY FAULTS AND FOLDS...............................................................................5 SUMMARY ........................................................................................................................................7 ACKNOWLEDGMENTS ......................................................................................................................8 LIST OF CONTRIBUTORS ...................................................................................................................8 DEFINITION OF DATABASE TERMS ...................................................................................................9 GLOSSARY OF TERMS .......................................................................................................................9 REFERENCES................................................................................................................................... 18 FAULT AND FOLD DATABASE......................................................................................................... 19 657, RED CANYON FAULT ............................................................................................................... 19 657a, Red Canyon section.............................................................................................................. 20 657b, Richards Creek section.......................................................................................................... 23 657c, Maple Creek section ............................................................................................................. 25 724, FAULTS SOUTH OF BLACKTAIL BUTTE ...................................................................................... 26 725, SECONDARY FAULTS IN JACKSON HOLE VALLEY (CLASS B)........................................................ 28 726, GRAND VALLEY FAULT ........................................................................................................... 29 726a, Swan Valley section.............................................................................................................. 30 726b, Grand Valley section ............................................................................................................ 32 726c, Unnamed section near Prater Mountain ................................................................................... 34 726d, Star Valley section ............................................................................................................... 36 727, UNNAMED PIEDMONT FAULT.................................................................................................... 38 728, GREYS RIVER FAULT ............................................................................................................... 39 729, ROCK CREEK FAULT................................................................................................................ 41 730, BEAR RIVER FAULT ZONE ........................................................................................................ 43 731, MARTIN RANCH FAULT ........................................................................................................... 46 732, HOGSBACK FAULT................................................................................................................... 48 732a, Hogsback fault, northern section............................................................................................. 49 732a, Hogsback fault, northern section............................................................................................. 50 733, SUBLETTE FLAT FAULT ........................................................................................................... 52 734, EASTERN BEAR VALLEY FAULT (CLASS B) ................................................................................ 53 735, WESTERN BEAR VALLEY FAULTS ............................................................................................. 55 736, ELK MOUNTAIN FAULT............................................................................................................ 56 737, NORTH BRIDGER CREEK FAULT ............................................................................................... 57 738, SPRING CREEK FAULT ............................................................................................................. 58 739, THE PINNACLE FAULT ............................................................................................................. 59 740, RYCKMAN CREEK FAULT......................................................................................................... 60 741, WHITNEY CANYON FAULT ....................................................................................................... 61 742, ALMY FAULT ZONE.................................................................................................................. 62 743, DUNCOMB HOLLOW FAULT...................................................................................................... 63 744, FAULTS ON NORTH FLANK OF PHIL PICO MOUNTAIN ................................................................. 64 746, EAST GALLATIN-REESE CREEK FAULT SYSTEM.......................................................................... 66 746a, East Gallatin-Reese Creek fault system, Reese Creek section........................................................ 67 i 746b, East Gallatin-Reese Creek fault system, East Gallatin section....................................................... 69 747, POST-LAVA CREEK FAULTS IN NW YELLOWSTONE NATIONAL PARK .......................................... 70 748, UNNAMED FAULTS NEAR OPAL CREEK...................................................................................... 72 749, MIRROR PLATEAU FAULTS....................................................................................................... 73 749a, Mirror Plateau faults, younger section ..................................................................................... 74 749b, Mirror Plateau faults, older section......................................................................................... 75 750, UNNAMED FAULTS IN THE BURNT-RAVEN CREEK AREA ............................................................. 77 751, SHOSHONE LAKE FAULTS ........................................................................................................ 79 752, WOLF LAKE FAULT AND NEARBY FAULTS ................................................................................. 80 753, MALLARD LAKE RESURGENT DOME FAULTS (CLASS B).............................................................. 82 754, ELEPHANT BACK FAULT ZONE ................................................................................................. 84 755, LAKE HOTEL FAULTS (GRABEN)................................................................................................ 85 756, EAST GROS VENTRE FAULT (CLASS B)....................................................................................... 87 757, EAGLE BAY FAULT.................................................................................................................. 89 757a, Eagle Bay fault, northern section ............................................................................................ 89 757b Eagle Bay fault, middle section................................................................................................ 91 757c, Eagle Bay fault, southern section............................................................................................. 92 758, SOUR CREEK DOME FAULTS (CLASS B) ..................................................................................... 93 759, FAULTS NEAR CLEAR CREEK (CLASS B).................................................................................... 94 760, FAULTS OF BRIMSTONE BASIN AREA ........................................................................................ 95 761, UPPER YELLOWSTONE VALLEY FAULTS.................................................................................... 97 762, FAULTS NEAR TRISHMAN AND DOUGLAS KNOBS....................................................................... 99 763, FAULTS ALONG THE LAVA CREEK CALDERA MARGIN (CLASS B)................................................100 764, FAULTS IN BOUNDARY REGION OF YELLOWSTONE AND GRAND TETON NATIONAL PARKS ...........101 765, SNAKE RIVER CALDERA FAULTS .............................................................................................103 766, EAST MOUNT SHERIDAN FAULTS.............................................................................................105