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Seismic images of the Brooks Range, Arctic Alaska, reveal crustal- scale duplexing

Geology

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Abstract

An integrated set of seismic reflection and refraction data collected across the Brooks Range, Arctic Alaska, in 1990, has yielded a composite image of this Mesozoic and Cenozoic fold-and-thrust belt that reveals duplexing to lower-crustal depths. Interpretations from this image are discussed. The position of the thickest crust may indicate that either the duplexed crust above the decollement was thrust onto and depressed the plate beneath the North Slope or the protracted tectonic history of the Brooks Range has left structures not simply explainable in terms of a single collisional event. -from Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Seismic images of the Brooks Range, Arctic Alaska, reveal crustal- scale duplexing
Series title:
Geology
Volume
23
Issue:
1
Year Published:
1995
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Geology
First page:
65
Last page:
68
Number of Pages:
4