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Focused rock uplift above the subduction décollement at Montague and Hinchinbrook Islands, Prince William Sound, Alaska

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Geosphere, February 2015, v. 11, p. 144-159, first published on December 22, 2014, doi:10.1130/GES01036.1

Summary

Megathrust splay fault systems in accretionary prisms have been identified as conduits for long-term plate motion and significant coseismic slip during subduction earthquakes. These fault systems are important because of their role in generating tsunamis, but rarely are emergent above sea level where their long-term (million year) history can be studied. We present 32 apatite (U-Th)/He (AHe) and 27 apatite fission-track (AFT) ages from rocks along an emergent megathrust splay fault system in the Prince William Sound region of Alaska above the shallowly subducting Yakutat microplate. The data show focused exhumation along the Patton Bay megathrust splay fault system since 3–2 Ma. Most AHe ages are younger than 5 Ma; some are as young [...]

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Harvested on Thu Jun 30 04:19:45 MDT 2016 from MODS XML Service

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Type Scheme Key
local-index unknown 70171511
local-pk unknown 70171511
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1130/GES01036.1
series unknown Geosphere

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journalGeosphere
parts
typevolume
value11
typeissue
value1
typePublication Place
valueBoulder, CO
languageEnglish
citationTypeArticle

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