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Reflections from midcrustal rocks within the Mesozoic subduction complex near the eastern Aleutian Trench.

Journal of Geophysical Research

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Abstract

Seismic reflection data show that highly reflective rocks make up the midcrust of the convergent margin adjacent to the eastern Aleutian Trench. These rocks form an arch that strikes obliquely across the strongly expressed NE-SW structural grain of exposed Mesozoic rocks. Deep reflections could be from underplated rocks that have been arched by the imbrication or underplating of strata below the reflective rocks. Speculates that one band of reflections that rises toward but does not reach the surface is from the Eagle River thrust fault, which separates Late Cretaceous melange from deformed turbidite sequences of the same age. -from Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Reflections from midcrustal rocks within the Mesozoic subduction complex near the eastern Aleutian Trench.
Series title:
Journal of Geophysical Research
Volume
92
Issue:
B8
Year Published:
1987
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
7907
Last page:
7915
Number of Pages:
9