Tectonic control on coarse-grained foreland-basin sequences: An example from the Cordilleran foreland basin, Utah

Brian K. Horton; Kurt N. Constenius; Peter G. DeCelles

doi:10.1130/G20407.1

Tectonic control on coarse-grained foreland-basin sequences: An example from the Cordilleran foreland basin, Utah

Brian K. Horton, Kurt N. Constenius, Peter G. DeCelles

Geosciences

Research output: Contribution to journal › Article › peer-review

86 Scopus citations

Abstract

Newly released reflection seismic and borehole data, combined with sedimentological, provenance, and biostratigraphic data from Upper Cretaceous-Paleocene strata in the proximal part of the Cordilleran foreland-basin system in Utah, establish the nature of tectonic controls on stratigraphic sequences in the proximal to distal foreland basin. During Campanian time, coarse-grained sand and gravel were derived from the internally shortening Charleston-Nebo salient of the Sevier thrust belt. A rapid, regional Campanian progradational event in the distal foreland basin (>200 km from the thrust belt in <8 m.y.) can be tied directly to active thrust-generated growth structures and an influx of quartzose detritus derived from the Charleston-Nebo salient. Eustatic sea-level variation exerted a minimal role in sequence progradation.

Original language	English (US)
Pages (from-to)	637-640
Number of pages	4
Journal	Geology
Volume	32
Issue number	7
DOIs	https://doi.org/10.1130/G20407.1
State	Published - Jul 1 2004

Keywords

Book Cliffs
Fold and thrust belts
Foreland basins
Progradation
Sequence stratigraphy
Utah

ASJC Scopus subject areas

Geology

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abstract = "Newly released reflection seismic and borehole data, combined with sedimentological, provenance, and biostratigraphic data from Upper Cretaceous-Paleocene strata in the proximal part of the Cordilleran foreland-basin system in Utah, establish the nature of tectonic controls on stratigraphic sequences in the proximal to distal foreland basin. During Campanian time, coarse-grained sand and gravel were derived from the internally shortening Charleston-Nebo salient of the Sevier thrust belt. A rapid, regional Campanian progradational event in the distal foreland basin (>200 km from the thrust belt in <8 m.y.) can be tied directly to active thrust-generated growth structures and an influx of quartzose detritus derived from the Charleston-Nebo salient. Eustatic sea-level variation exerted a minimal role in sequence progradation.",

keywords = "Book Cliffs, Fold and thrust belts, Foreland basins, Progradation, Sequence stratigraphy, Utah",

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KW - Sequence stratigraphy

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Tectonic control on coarse-grained foreland-basin sequences: An example from the Cordilleran foreland basin, Utah

Abstract

Keywords

ASJC Scopus subject areas

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