The New Jersey margin; compaction and fluid flow

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doi: 10.1016/S0375-6742(00)00058-3
Author(s): Dugan, B.; Flemings, P. B.
Author Affiliation(s): Primary:
Pennsylvania State University, Department of Geosciences, University Park, PA, United States
Volume Title: Proceedings of Geofluids III; third international conference on Fluid evolution, migration and interaction in sedimentary basins and orogenic belts
Volume Author(s): Pueyo, J. J., editor; Cardellach, E.; Bitzer, K.; Taberner, C.
Source: Journal of Geochemical Exploration, Vol.69-70, p.477-481; Geofluids III; third international conference on Fluid evolution, migration and interaction in sedimentary basins and orogenic belts, Barcelona, Spain, July 12-14, 2000, edited by J. J. Pueyo, E. Cardellach, K. Bitzer and C. Taberner. Publisher: Elsevier, Amsterdam-New York, International. ISSN: 0375-6742 CODEN: JGCEAT
Note: In English. 8 refs.; illus.
Summary: Rapid sedimentation by fine-grained sediments on the upper slope of the New Jersey margin has generated nearly lithostatic fluid pressures. We use measured porosity from ODP Site 1073 to predict the in situ fluid pressures. We then simulate the pressure history with one-dimensional and two-dimensional sedimentation-compaction models. Two-dimensional models simulate a compaction-driven flow field that is dominated by lateral flow. This flow field increases overpressure and lowers effective stress on the lower slope. The combination of observation and theory provide a model that illuminates a mechanism through which seeps form and slope failure may occur in any rapidly loaded continental margin. Abstract Copyright (2000) Elsevier, B.V.
Year of Publication: 2000
Research Program: ODP Ocean Drilling Program
Key Words: 07 Marine Geology and Oceanography; Atlantic Coastal Plain; Atlantic Ocean; Compaction; Continental margin; Continental slope; Flows; Leg 174A; Marine geology; Marine sedimentation; Marine sediments; Mathematical models; New Jersey; North Atlantic; Northwest Atlantic; Numerical models; ODP Site 1073; Ocean Drilling Program; One-dimensional models; Overpressure; Porosity; Sedimentation; Sediments; Seepage; Simulation; Stress; Two-dimensional models; United States
Coordinates: N391331 N391331 W0721633 W0721633
Record ID: 2000061385
Copyright Information: GeoRef, Copyright 2017 American Geosciences Institute. Reference includes data from CAPCAS, Elsevier Scientific Publishers, Amsterdam, Netherlands