Formation and Applications of the Sedimentary Record in Arc Collision Zones

Sediment waves in the Bismarck Volcanic Arc, Papua New Guinea
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Published:January 01, 2008
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Gary Hoffmann, Eli Silver, Simon Day, Eugene Morgan, Neal Driscoll, Daniel Orange, 2008. "Sediment waves in the Bismarck Volcanic Arc, Papua New Guinea", Formation and Applications of the Sedimentary Record in Arc Collision Zones, Amy E. Draut, Peter. D. Clift, David W. Scholl
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In the Bismarck Volcanic Arc in Papua New Guinea, six fields of sediment waves were imaged with sonar. Sediment structures observed in seismic data and swath bathymetry are not unique and can result from predominantly continuous (bottom) currents, or episodic (turbidity) currents, or from deformation of sediment. Two of these wave fields overlap and appear to be of turbidity-current origin and modified by bottom currents, with one field unconformably overlying the other field. A field off the coast of Dakataua caldera displays an arcuate morphology, and a series of enclosed depressions within the field suggests creation by extensional deformation of...
- acoustical methods
- Australasia
- basins
- bathymetry
- Bismarck Archipelago
- Bismarck Sea
- calderas
- Cenozoic
- cores
- currents
- deformation
- deposition
- discharge
- extension tectonics
- fluvial features
- geophysical methods
- geophysical profiles
- geophysical surveys
- igneous rocks
- island arcs
- Pacific Ocean
- Papua New Guinea
- plate collision
- plate tectonics
- pyroclastics
- Quaternary
- rivers
- sedimentary structures
- sedimentation
- sediments
- seismic methods
- seismic profiles
- sonar methods
- South Pacific
- Southwest Pacific
- surveys
- tectonics
- turbidity
- turbidity current structures
- turbidity currents
- volcanic features
- volcanic rocks
- volcanoes
- wave fields
- West Pacific
- Dakataua
- Bismarck Arc
- Kimbe Bay
- Pandi River
- Hixon Bay
- Tolokiwa Island