Thrust timing, growth of structural culminations, and synorogenic sedimentation in the type Sevier orogenic belt, western United States

Peter G Decelles, T. F. Lawton, G. Mitra

Research output: Contribution to journalArticle

121 Citations (Scopus)

Abstract

Most of the regional shortening in the type area of the Sevier orogenic belt in central Utah was accommodated by displacement on the Canyon Range (Neocomian-Aptian), Pavant (Aptian-Albian), Paxton (Cenomanian-Campanian), and Gunnison (late Campanian-Paleocene) thrust systems. Inception of each thrust system generated synorogenic sediment associated with frontal thrust-tip anticlines or triangle zones and older thrust sheets that were elevated above major ramps farther toward the hinterland. The Sevier culmination, a large antiformal duplex cored by crystalline basement rocks, developed during Paxton aand Gunnison thrusting west of and structurally beneath the Canyon Range and Pavant thrusts. Growth of the Sevier culmination was coeval with reactivation of the Canyon Range and Pavant thrust systems and produced a second culmination in Proterozoic-Lower Cambrian rocks in the Canyon Range. -from Authors

Original languageEnglish (US)
Pages (from-to)699-702
Number of pages4
JournalGeology
Volume23
Issue number8
DOIs
StatePublished - 1995

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orogenic belt
thrust
sedimentation
canyon
Aptian
Campanian
triangle zone
duplex
crystalline rock
basement rock
anticline
reactivation
Paleocene
Proterozoic
rock
sediment

ASJC Scopus subject areas

  • Geology

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Thrust timing, growth of structural culminations, and synorogenic sedimentation in the type Sevier orogenic belt, western United States. / Decelles, Peter G; Lawton, T. F.; Mitra, G.

In: Geology, Vol. 23, No. 8, 1995, p. 699-702.

Research output: Contribution to journalArticle

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