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Coupled Structure And Sedimentation Through 100 My Of Thrust Wedge Evolution Sevier Thrust Belt Northern Utah Western Wyoming And Southeastern Idaho
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Book Synopsis Coupled Structure and Sedimentation Through 100 M.y. of Thrust Wedge Evolution, Sevier Thrust Belt, Northern Utah, Western Wyoming, and Southeastern Idaho by : James C. Coogan
Download or read book Coupled Structure and Sedimentation Through 100 M.y. of Thrust Wedge Evolution, Sevier Thrust Belt, Northern Utah, Western Wyoming, and Southeastern Idaho written by James C. Coogan and published by . This book was released on 1998 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermal and Structural Constraints on the Tectonic Evolution of the Idaho-Wyoming-Utah Thrust Belt by : Shay M. Chapman
Download or read book Thermal and Structural Constraints on the Tectonic Evolution of the Idaho-Wyoming-Utah Thrust Belt written by Shay M. Chapman and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The timing of motion on thrust faults in the Idaho-Wyoming-Utah (IWU) thrust belt comes from synorogenic sediments, apatite thermochronology and direct dating of fault rocks coupled with good geometrical constraints of the subsurface structure. The thermal history comes from the analyses of apatite thermochronology, thermal maturation of hydrocarbon source rocks and isotope analysis of fluid inclusions from syntectonic veins. New information from zircon fission track and zircon (U-Th)/He analysis provide constraints on the thermal evolution of the IWU thrust belt over geological time. These analyses demonstrate that the time-temperature pathway of the rocks sampled never reached the required conditions to reset the thermochronometers necessary to provide new timing constraints. Previous thermal constraints for maximum temperatures of IWU thrust belt rocks, place the lower limit at ~110°C and the upper limit at ~328°C. New zircon fission track results suggest an upper limit at ~180°C for million year time scales. ID-TIMS and LA-ICPMS of syntectonic calcite veins suggest that new techniques for dating times of active deformation are viable given that radiogenic isotope concentrations occur at sufficient levels within the vein material. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/151236
Book Synopsis The Thrust Belt Revisted by : Wyoming Geological Association. Conference
Download or read book The Thrust Belt Revisted written by Wyoming Geological Association. Conference and published by . This book was released on 1987 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Along Strike Variability of Thrust-fault Vergence by : Scott R. Greenhalgh
Download or read book Along Strike Variability of Thrust-fault Vergence written by Scott R. Greenhalgh and published by . This book was released on 2014 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: The kinematic evolution and along-strike variation in contractional deformation in overthrust belts are poorly understood, especially in three dimensions. The Sevier-age Cordilleran overthrust belt of southwestern Wyoming, with its abundance of subsurface data, provides an ideal laboratory to study how this deformation varies along the strike of the belt. We have performed a detailed structural interpretation of dual vergent thrusts based on a 3D seismic survey along the Wyoming salient of the Cordilleran overthrust belt (Big Piney-LaBarge field). The complex evolution of the thrust faults that parallel the overthrust belt is demonstrated by the switching of the direction of thrust fault vergence nearly 180° from east to west. The variation in thrust-fault geometry suggests additional complexities in bulk translation, internal strains, and rotations. The thrust zone is composed of two sub-zones, each with an opposing direction of fault vergence, located on the eastern toe of the Hogsback thrust in southwestern Wyoming. The northern west-vergent thrust is a wedge thrust and forms a triangle zone between its upper thrust plane and the lower detachment that has formed in a weak shale layer (the Cretaceous K-Marker bed). Thrusts to the south have a frontal ramp geometry and are consistent with the overall thrust orientation of the Cordilleran overthrust belt located immediately to the west. The two thrust sub-zones are small, relative to the main Hogsback thrust to the west, and adjacent to each other, being separated by a transfer zone measuring in the hundreds of meters along strike. The transfer zone is relatively undisturbed by the faults (at the scale of seismic resolution), but reflections are less coherent with some very small offsets. The thrusts are thin-skinned and located above a shallow-dipping single detachment (or décollement) that is shared by faults in both sub-zones. Lateral growth of the thrust faults link along strike to form an antithetic fault linkage. Structural restoration of thrust faults shows varied amounts of shortening along strike as well as greater shortening in stratigraphic layers of the west-vergent fault to the north. Results from a waveform classification and spectral decomposition attribute analysis support our interpretations of how the variations in the detachment may govern the structural development above it. The kinematic evolution of the dual-verging thrust faults is likely controlled by local pinning within the transfer zone between the thrust-fault sub-zones as well as by changes in the competence of the strata hosting the detachment and in the thickness of the thrust sheet. The analysis and interpretation of dual-vergent thrust structures in the Cordilleran overthrust belt serve as an analog to better understand complex fold, fault, and detachment relations in other thrust belts.
Book Synopsis Sedimentation and Tectonics of Western North America by :
Download or read book Sedimentation and Tectonics of Western North America written by and published by . This book was released on 1989 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ancient Landscapes of Western North America by : Ronald C. Blakey
Download or read book Ancient Landscapes of Western North America written by Ronald C. Blakey and published by Springer. This book was released on 2017-10-03 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: Allow yourself to be taken back into deep geologic time when strange creatures roamed the Earth and Western North America looked completely unlike the modern landscape. Volcanic islands stretched from Mexico to Alaska, most of the Pacific Rim didn’t exist yet, at least not as widespread dry land; terranes drifted from across the Pacific to dock on Western Americas’ shores creating mountains and more volcanic activity. Landscapes were transposed north or south by thousands of kilometers along huge fault systems. Follow these events through paleogeographic maps that look like satellite views of ancient Earth. Accompanying text takes the reader into the science behind these maps and the geologic history that they portray. The maps and text unfold the complex geologic history of the region as never seen before. Winner of the 2021 John D. Haun Landmark Publication Award, AAPG-Rocky Mountain Section
Book Synopsis Belt Basin: Window to Mesoproterozoic Earth by : John S. MacLean
Download or read book Belt Basin: Window to Mesoproterozoic Earth written by John S. MacLean and published by Geological Society of America. This book was released on 2016-06-01 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: With its thickness of more than 15 km of strata, covering some 200,000 km2, the Belt basin displays one of the planet's largest, best-exposed, most accessible, and best-preserved sequences of Mesoproterozoic sedimentary and igneous rocks. This volume focuses on research into this world-class province; kindles ideas about this critical era of Earth evolution; and covers aspects of the basin from its paleontology, mineralogy, sedimentology, and stratigraphy to its magmatism, ore deposits, geophysics, and structural geology.
Book Synopsis Active Fold-and-Thrust Belts: From Present-Day Deformation to Structural Architecture and Modelling by : Gang Rao
Download or read book Active Fold-and-Thrust Belts: From Present-Day Deformation to Structural Architecture and Modelling written by Gang Rao and published by Frontiers Media SA. This book was released on 2022-02-16 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fold and Thrust Belts by : J.A. Hammerstein
Download or read book Fold and Thrust Belts written by J.A. Hammerstein and published by Geological Society of London. This book was released on 2020-10-14 with total page 455 pages. Available in PDF, EPUB and Kindle. Book excerpt: The outer parts of collision mountain belts are commonly represented by fold and thrust belts. Major advances in understanding these tectonic settings have arisen from regional studies that integrate diverse geological information in quests to find and produce hydrocarbons. Drilling has provided tests of subsurface forecasts, challenging interpretation strategies and structural models. This volume contains 19 papers that illustrate a diversity of methods and approaches together with case studies from Europe, the Middle East and the Asia-Pacific region. Collectively they show that appreciating diversity is key for developing better interpretations of complex geological structures in the subsurface – endeavours that span applications beyond the development of hydrocarbons.
Book Synopsis Tectonics of the Overthrust Belt of Southwestern Wyoming, Southeastern Idaho, and Northern Utah by : Vincent Cooper Kelley
Download or read book Tectonics of the Overthrust Belt of Southwestern Wyoming, Southeastern Idaho, and Northern Utah written by Vincent Cooper Kelley and published by . This book was released on 1961 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tectonic and Magmatic Evolution of the Snake River Plain Volcanic Province by : Bill Bonnichsen
Download or read book Tectonic and Magmatic Evolution of the Snake River Plain Volcanic Province written by Bill Bonnichsen and published by Idaho Geological Survey. This book was released on 2002 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evidence for Regional East-northeast Shortening in the Wyoming-Idaho-Utah Thrust Belt by : Amanda Anne DiUlio
Download or read book Evidence for Regional East-northeast Shortening in the Wyoming-Idaho-Utah Thrust Belt written by Amanda Anne DiUlio and published by . This book was released on 2001 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Origin of Structural Curvature in the Northern Part of the Wyoming-Idaho Thrust Belt, Wyoming-Idaho by : James Maxwell Montgomery
Download or read book The Origin of Structural Curvature in the Northern Part of the Wyoming-Idaho Thrust Belt, Wyoming-Idaho written by James Maxwell Montgomery and published by . This book was released on 1993 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Understanding the Link Between Deformation and Exhumation in Thrust Belt Systems by : Sophie Rachel Black
Download or read book Understanding the Link Between Deformation and Exhumation in Thrust Belt Systems written by Sophie Rachel Black and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Sevier thrust belt is one of the best-preserved thrust belts in the world and has been the focus of many studies attempting to understand the mechanics of deformation and erosion in thrust belts. The deformation history of eastward propagation of thrust sheets has been interpreted in part from the foreland basin which provides a record of synorogenic clastic material from 120 - 50 Ma. Previous studies have documented rates and kinematics of thrusting using thermochronology of rocks exposed in individual thrust sheets. However, we still do not understand the link between styles of deformation and exhumation rates. We use provenance analysis (sandstone petrography and U-Pb detrital zircon geochronology) to target synorogenic clasts eroded from the Pennsylvanian - Permian strata and deposited in the Cretaceous - Eocene Sevier foreland strata for zircon (U-Th)/He (ZHe) thermochronology. These clasts are derived from strata known to be exposed across all structures in the Sevier system and can be used to track exhumation across eastward propagating thrust sheets and the passively uplifting Wasatch Anticlinorium. Our ZHe cooling ages show a younging up-section which correlates to the eastward propagation of thrust sheets. ZHe distributions from clasts have one of three unique thermal histories, representing exhumation on specific a structural feature in the Sevier fold-thrust belt and Laramide including 1) exhumation at ~125 Ma on the Willard thrust which is observed in clasts deposited from 120 - 90 Ma (Kelvin, Frontier, and Henefer Formation), 2) exhumation at ~90 Ma on the Crawford thrust of clasts deposited from ~85 -75 Ma (Echo Canyon Conglomerate) and 3) exhumation at ~70 Ma possibly from the Uinta-Cottonwood Arch observed in clasts deposited from ~60 - 50 Ma (Wasatch Formation). We utilize lag time calculations to understand the relationship between deformation and exhumation related to orogenic steady state. We observe constant lag time trends from ~120 - 70 Ma and an increase ~70 - 50 Ma. Within individual thrust sheets, we observe a relationship between active thrust sheets which are associated with short lag times and Laramide structures which are associated with long lag times.
Book Synopsis THE EVOLUTION OF THE IDAHO - WYOMING FOLD-AND-THRUST BELT ALONG LATITUDE 42 DEGREES 45 MINUTES. by : JOHN P. CRADDOCK
Download or read book THE EVOLUTION OF THE IDAHO - WYOMING FOLD-AND-THRUST BELT ALONG LATITUDE 42 DEGREES 45 MINUTES. written by JOHN P. CRADDOCK and published by . This book was released on 1988 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: which was a site of oblique subduction and later terrane accretion. This interpretation has implications to thrust belt kinematics, cross section construction and proper restoration.
Book Synopsis Solution Cleavage in the Twin Creek Formation and Its Relationships to Thrust Fault Motions in the Idaho-Utah-Wyoming Thrust Belt by : Dianna J. Gentry
Download or read book Solution Cleavage in the Twin Creek Formation and Its Relationships to Thrust Fault Motions in the Idaho-Utah-Wyoming Thrust Belt written by Dianna J. Gentry and published by . This book was released on 1983 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis (U-Th)/He and U-Pb Double Dating Constraints on the Interplay Between Thrust Deformation and Basic Evolution by : Edgardo Josue Pujols
Download or read book (U-Th)/He and U-Pb Double Dating Constraints on the Interplay Between Thrust Deformation and Basic Evolution written by Edgardo Josue Pujols and published by . This book was released on 2017 with total page 1322 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite several decades of evolving concepts for thrust belt mechanics and foreland basin evolution, an in-depth understanding of key process linkages and dynamic connectivity between foreland basins and thrust belts remain elusive. In particular, temporal aspects of thrust deformation, detrital provenance, flexural basin subsidence, and stratigraphic architecture, remain debated. This study provides an unprecedented systematic U-Pb and (U-Th)/He (He) detrital zircon (DZ) double dating provenance record for the classic Sevier fold-thrust belt (SFTB) and foreland basin in north-central Utah, to elucidate the temporal linkage between thrust deformation, hinterland unroofing and foreland basin sedimentation through improved isotopic provenance analysis. The zircon (U-Th)/(He-Pb) data in the SFTB and foreland basin allowed constraining distinct episodes of cooling, indicative of major Cenomanian and Campanian thrusting and denudation in the SFTB. The temporal synchronicity between deformation, exhumation and coarse clastic strata indicates that rapid hinterland deformation triggers episodes of major coarse clastic sedimentation and dispersal beyond the proximal foreland basin margin. Moreover, DZHe depositional lag time and DZ U-Pb provenance analyses at the one-myr chronostratigraphic resolution strongly suggest that discrepancies in stacking pattern, shoreline trajectory and progradation rates in the foreland basin can in fact be explained by distinct episodes of major hinterland exhumation. This high-density DZ data set, additionally establish an unequivocal temporal link between major retroarc shortening and voluminous arc magmatism, challenging current conceptual Cordilleran orogenic models that invoke temporal delays between retroarc shortening and voluminous arc magma generation. Both arc magmatic fluxes and retroarc shortening episodes appear to be driven by plate boundary convergence rates. Hence, this study proposes a new model where rate increases in subduction and/or overriding plate motion control both retroarc contraction and arc-magma cyclicity. Other aspects of this investigation explore the influenced of tectonics on continental-scale drainage reorganization in western North America and the Neuquén Basin, Argentina. In summary, the integration of these zircon geo-thermochronometric data in the proper SFTB and foreland basin architectural context helped improve (1) conceptual models that relate temporal, thermal, and spatial aspects of thrust activity to sediment dispersal patterns and (2) shed light into the spatiotemporal feedbacks between upper-crustal deformation and convergent-margin magmatism in Cordilleran orogenic systems.
