Structural style and kinematics of an underplated slate belt, Kodiak and adjacent islands, Alaska.

J. C. Sample, J. C. Moore

Research output: Contribution to journalArticle

114 Citations (Scopus)

Abstract

The Kodiak Formation, composed of coherent Maastrichtian turbidites, is a slate belt whose dominant structures developed during underplating to an accretionary wedge in the latest Cretaceous. It consists of about 80% coherent landward-dipping thrust packets; zones of disrupted sandstone associated with a scaly argillite matrix constitute the remainder. About half of these disrupted sandstone zones are related to pre-accretion deformation, and the rest formed along late-stage, strike-slip faults that postdate development of slaty cleavage. The formation is divided into three structural belts.-from Authors

Original languageEnglish (US)
Pages (from-to)7-20
Number of pages14
JournalBulletin of the Geological Society of America
Volume99
Issue number1
DOIs
StatePublished - 1987
Externally publishedYes

Fingerprint

slate
kinematics
sandstone
argillite
underplating
accretionary prism
Maastrichtian
strike-slip fault
cleavage
thrust
accretion
Cretaceous
matrix

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

Cite this

Structural style and kinematics of an underplated slate belt, Kodiak and adjacent islands, Alaska. / Sample, J. C.; Moore, J. C.

In: Bulletin of the Geological Society of America, Vol. 99, No. 1, 1987, p. 7-20.

Research output: Contribution to journalArticle

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