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

Research output: Contribution to journalArticle

83 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 languageEnglish (US)
Pages (from-to)637-640
Number of pages4
JournalGeology
Volume32
Issue number7
DOIs
StatePublished - 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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