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The Surprise Canyon Formation is a geologic formation that consists of clastic and calcareous sedimentary rocks that fill paleovalleys and paleokarst of Late Mississippian (Serpukhovian) age in Grand Canyon.
The Surprise Canyon Formation is a geologic formation that consists of clastic and calcareous sedimentary rocks that fill paleovalleys and paleo karst of Late Mississippian (Serpukhovian) age in Grand Canyon.
The Surprise Canyon Formation represents a nearshore fluvial infilling of karstic channels, followed by a shallow marine bioherm reef, and finally deeper open water deposition.
10 Απρ 2020 · The Surprise Canyon Formation forms a dendritic drainage system that can be traced through G RCA (Billingsley and Beus 1999). Flow moved from east to west (Beus 2003b).
7 Ιαν 2011 · In eastern half of map area, the Surprise Canyon consists mainly of dark-red-brown, slope-forming, massive to thin-bedded, poorly sorted siltstone and sandstone, containing localized plant fossils. The Surprise Canyon is the most fossiliferous rock unit in the Grand Canyon.
The Supai Group consists of four formations in Grand Canyon. Watahomigi Formation. Coastal lowlands and shallow sea, similar to modern US Gulf Coast. Manakacha Formation. Arid coast and dunefields, similar to modern Namibia. Wescogame Formation. Arid coast and dunefields, similar to modern Namibia. Esplanade Sandstone
8 Αυγ 2021 · The Surprise Canyon Formation lies close to the Mississippian-Pennsylvanian boundary and crops out as a series of discontinuous lenses and patches that are interpreted as remnants of a westward-draining network of paleovalleys and paleochannels within a coastal embayment.
