Surficial mapping and kinematic modeling of the St. Clair Thrust
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Surficial mapping and kinematic modeling of the St. Clair Thrust
^juCWestVirginiaUniversityTHE RESEARCH REPOSITORY @ wvuGraduate Theses, Dissertations, and Problem Reports2008Surficial mapping and kinematic modeling Surficial mapping and kinematic modeling of the St. Clair Thrustg of the st. Clair Thrust Fault, Monroe County, West VirginiaJason M. SturmsWest Virginia UniversityFollow this and additional works at: https7/researchrepository wvu.edu/etdRecommended CitationSturms, Jason M , 'Surficial mapping and kinematic modeling of the St. Clair Thrust Fault, Monroe County, Surficial mapping and kinematic modeling of the St. Clair ThrustWest Virginia' (2008). Graduate Theses. Dissertations, and Problem Reports. 2641.https://researchrepository.wvu.edu/etd/2641This Thesis IS protected bSurficial mapping and kinematic modeling of the St. Clair Thrust
y copyright and/or related rights. It has been brought to you by the The Research Repository © wvu with permission from the rights-holder(s). You are ^juCWestVirginiaUniversityTHE RESEARCH REPOSITORY @ wvuGraduate Theses, Dissertations, and Problem Reports2008Surficial mapping and kinematic modeling Surficial mapping and kinematic modeling of the St. Clair Thrust obtain permission from the rights-holder(s) directly, unless additional rights are indicated by a Creative Commons license in the record and/ or on the work itself. This Thesis has been accepted for inclusion in wvu Graduate Theses. Dissertations, and Problem Reports collection by an authorized adm Surficial mapping and kinematic modeling of the St. Clair Thrustinistrator of The Research Repository @ wvu. For more information, please contact researchrepository©mail wvu.edu.Surficial Mapping and Kinematic ModeSurficial mapping and kinematic modeling of the St. Clair Thrust
ling of the St. Clair Thrust Fault, Monroe County, West VirginiaJason M. SturmsThesis submitted to the Eberly College of Arts and Sciences at West Vir^juCWestVirginiaUniversityTHE RESEARCH REPOSITORY @ wvuGraduate Theses, Dissertations, and Problem Reports2008Surficial mapping and kinematic modeling Surficial mapping and kinematic modeling of the St. Clair Thrustobert Behling. Ph D. Dave Oldham. Ph D.Department of Geology and Geogr aphyMorgantown. West Virginia2008Keywords: St. Clair. Monroe County. Trishear. Fault PropagationAbstractSurficial Mapping and Kinematic Modeling of the St. Clair Thrust Fault. Monroe County, West VirginiaJason M. SturmsNear the A Surficial mapping and kinematic modeling of the St. Clair Thrustllegheny Structural boundary between the Appalachian Plateau and the Valley and Ridge Province of the West Virginian Appalachians lie tour major thrusSurficial mapping and kinematic modeling of the St. Clair Thrust
t faults: die Pulaski. Saltville, Marrows. and the St. Clan all of which arc associated with the Alleghenian Orogeny. of these major thrusts. the St. ^juCWestVirginiaUniversityTHE RESEARCH REPOSITORY @ wvuGraduate Theses, Dissertations, and Problem Reports2008Surficial mapping and kinematic modeling Surficial mapping and kinematic modeling of the St. Clair Thrust in die Appalachians of West Virginia.rhe St. Clan- thrust fault represents an example of fault-propagation folding. Within fault-propagation folding, trishear deformation and fault-bend folding can be linked to deformation. Kinematic modeling was conducted using Midland Valley’s 2DNÍOVC software pa Surficial mapping and kinematic modeling of the St. Clair Thrustckage to recreate the geometry of the fault and Its associated fold. Modeling software was also used to determine the effects of individual parametersSurficial mapping and kinematic modeling of the St. Clair Thrust
W'lthui trishear deformation. The parameters examined include the propagation-fo-slip ratio, trishear apex angle, trishear angle, angular shear, and ^juCWestVirginiaUniversityTHE RESEARCH REPOSITORY @ wvuGraduate Theses, Dissertations, and Problem Reports2008Surficial mapping and kinematic modeling Surficial mapping and kinematic modeling of the St. Clair Thruston-to-shp ratio determines how much the fault propagates tlirough the strata and also dictates wiiat type of fold develops. A P:S ratio that is zero results in the formation of a detachment fold, a small PS ratio results in a trisheai faultpropagation fold, and a large P:S ratio results 111 the deve Surficial mapping and kinematic modeling of the St. Clair Thrustlopment of a fault-bend fold.Through surficial mapping and kinematic modeling. It has been concluded that the St. Clair thrust fault formed in two steSurficial mapping and kinematic modeling of the St. Clair Thrust
ps involving fault-propagation folding. The overturned syncline 111 the footwall, the Glen Lyn Syncline, was formed by trishear deformation, with a pr^juCWestVirginiaUniversityTHE RESEARCH REPOSITORY @ wvuGraduate Theses, Dissertations, and Problem Reports2008Surficial mapping and kinematic modeling Surficial mapping and kinematic modeling of the St. Clair Thrustan increase in the P S ratio and a second mode of deformation occurred, fault-bend folding. Tills combination of trishear deformation and fault-bend folding created the present-day geometry of the St. Clair thrust fault and its associated structures.By recreating the sequential cross-sections. it wa Surficial mapping and kinematic modeling of the St. Clair Thrusts possible to determine the amount of displacement needed for each cross-section. 1 he southwestern most crosssection was modeled and a minimum displaSurficial mapping and kinematic modeling of the St. Clair Thrust
cement value of approximately 2300 meters was needed. Erosion has removed the hanging wall cut-off: therefore the total displacement is not constraine^juCWestVirginiaUniversityTHE RESEARCH REPOSITORY @ wvuGraduate Theses, Dissertations, and Problem Reports2008Surficial mapping and kinematic modeling Surficial mapping and kinematic modeling of the St. Clair Thrust are more representative of rhe actual amount of displacement needed. Displacement values decreased from 7500 meters to 6700 meters tow ard the northeast, or by about 10%.AcknowledgementsI would fust like to thank the United States Geological Survey EDMAP Program for then generous funding of this th Surficial mapping and kinematic modeling of the St. Clair Thrustesis. I would like to express my gratitude to the family of Charlie Coffmdaffer for providing monetary support. I would also like to thank the West ViSurficial mapping and kinematic modeling of the St. Clair Thrust
rginia State GIS Technical Center for providing base maps and other data that I have used in the making of the geologic map.I would like to express th^juCWestVirginiaUniversityTHE RESEARCH REPOSITORY @ wvuGraduate Theses, Dissertations, and Problem Reports2008Surficial mapping and kinematic modeling Surficial mapping and kinematic modeling of the St. Clair Thrustother individuals who have greatly impacted my graduate studies: Dick Smosna and all of the other professors within the geology department.Finally. I would like to thank my parents. Bob and Susan Hopkins and Jim and Jeannie Strums for their support. I am also indebted to my loving wife and field ass Surficial mapping and kinematic modeling of the St. Clair Thrustistant. Kathryn. for her support and for putting up with me through college. Without these people in my life. I am not sure I could have come this farSurficial mapping and kinematic modeling of the St. Clair Thrust
.iii^juCWestVirginiaUniversityTHE RESEARCH REPOSITORY @ wvuGraduate Theses, Dissertations, and Problem Reports2008Surficial mapping and kinematic modeling^juCWestVirginiaUniversityTHE RESEARCH REPOSITORY @ wvuGraduate Theses, Dissertations, and Problem Reports2008Surficial mapping and kinematic modelingGọi ngay
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