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Discontinuous but widespread coherent packages (unbroken by major unconformities) of Neoproterozoic sedimentary strata, recognized by basal diamictite deposits (debris flows), outcrop throughout the western North American Cordillera. These phenomenal clastic packages, which represent high-energy sedimentary environments, overlie older sedimentary, metamorphic and igneous rocks, and underlie younger regionally widespread fossiliferous sandstone, carbonate and shale. The basal, high-energy debris flow deposits sporadically occur throughout the length of the western North American Cordillera and locally contain submarine volcanic extrusive and igneous intrusive rocks.
Geological activity during the start of the Flood when, "all the fountains of the great deep burst forth" necessitates a record of geologic signatures or discontinuities on a grand scale. Explanation for these high-energy geologic events needs to proceed from a Biblical worldview supported by the empirical data contained within the rocks. High-energy catastrophic processes recorded: mechanical-erosional, timeage, tectonic, sedimentary, and paleontologic discontinuities in the western North American Cordillera. Clastic sedimentary rocks underlying the western Cordillera thicken remarkably while the same sediments thin towards the east and truncate with regional fossiliferous sandstones. Igneous activity and contemporaneous deposition across fault-bounded basins record tectonic discontinuities. The coarse to fine megasuccession found in the North American Cordillera characterize initial and early Flood deposits.
Three rock units are considered: the Kingston Peak Formation in the Death Valley region of California, the Dutch Peak Formation in the Sheeprock Mountains in central Utah, and the Pocatello Formation in the vicinity of Pocatello, Idaho. These formations display abrupt thickening of sediments towards presumed fault-bounded basins, overlie older sedimentary, igneous or metamorphic rocks, and underlie thick successions of clastic rock with increasing megafossil content upwards. Additionally, some of the debris flows contain evidence of contemporaneous submarine volcanic activity. The high-energy debris flow deposits found in the Kingston Peak, Dutch Peak
Diamictite, Debris Flows, Pocatello Formation, Dutch Peak Formation, Kingston Peak Formation, Neoproterozoic, Pre-Flood/Flood Boundary Criteria, Discontinuity, Clastic Wedge, Sheeprock Mountains, Bannock Range, North American Cordillera, Pillow Lava, Sauk Sequence
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Van Wingerden, C.
"Initial Flood Deposits of the Western North American Cordillera: California, Utah and Idaho,"
Proceedings of the International Conference on Creationism: Vol. 5
, Article 33.
Available at: https://digitalcommons.cedarville.edu/icc_proceedings/vol5/iss1/33
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