Generic model of subduction erosion

von Huene, Roland, Ranero, César R. and Vannucchi, Paola (2004) Generic model of subduction erosion Geology, 32 (10). p. 913. DOI 10.1130/G20563.1.

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Erosion by high stress abrasion of convergent margins from horsts and grabens on the subducting plate is not shown in seismic images. In a proposed model, the frontal sediment prism is a dynamic mass that elevates pore-fluid pressure. Overpressured fluid invades fractures in the upper plate and separates fragments that are dragged into a subduction channel along the plate interface. Removed fragments are smaller than surface ship seismic techniques have resolved and beyond the reach of past scientific ocean drilling; however, current drill capability and downhole geophysics can test the model.

Document Type: Article
Keywords: continental margins, nonaccretionary, convergent, plate boundary, role of fluids, subduction processes
Research affiliation: OceanRep > SFB 574
OceanRep > GEOMAR > FB4 Dynamics of the Ocean Floor > FB4-GDY Marine Geodynamics
Refereed: Yes
DOI etc.: 10.1130/G20563.1
ISSN: 0091-7613
Projects: SFB574
Contribution Number:
SFB 57454
Date Deposited: 24 Jun 2015 11:59
Last Modified: 07 Aug 2017 13:11

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