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Stratigraphic and geochemical evolution of an oceanic arc upper crustal section: The Jurassic Talkeetna Volcanic Formation, south-central Alaska

Dates

Year
2005

Citation

Clift, Peter D., Draut, Amy E., Kelemen, Peter B., Blusztajn, Jerzy, and Greene, Andrew, 2005, Stratigraphic and geochemical evolution of an oceanic arc upper crustal section: The Jurassic Talkeetna Volcanic Formation, south-central Alaska: Geological Society of America Bulletin, v. 117, no. 7-8, p. 902-925.

Summary

The Early Jurassic Talkeetna Volcanic Formation forms the upper stratigraphic level of an oceanic volcanic arc complex within the Peninsular Terrane of south-central Alaska. The section comprises a series of lavas, tuffs, and volcaniclastic debris-flow and turbidite deposits, showing significant lateral facies variability. There is a general trend toward more volcaniclastic sediment at the top of the section and more lavas and tuff breccias toward the base. Evidence for dominant submarine, mostly mid-bathyal or deeper (>500 m) emplacement is seen throughout the section, which totals ~7 km in thickness, similar to modern western Pacific arcs, and far more than any other known exposed section. Subaerial sedimentation was rare but occurred [...]

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End Note
Reference Item
NWBLCC Test to validate 3364 records in xml format
Reference File
NWBLCC-20160527b.xml

Additional Information

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Type Scheme Key
DOI http://sciencebase.gov/vocab/identifierScheme 10.1130/B25638.1

Citation Extension

journalGeological Society of America Bulletin
parts
typeNotes
value11148
typePages
value902-925
typeVolume
value117
typeNumber
value7-8
citationTypeJournal Article

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