CGRG Bibliography of Canadian Geomorphology
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Author : Barrie, J.V.; and Hill, P.R.
Date : 2004.
Title : Holocene faulting on a tectonic margin: Georgia Basin, British Columbia, Canada.
Publication : Geo-Marine Letters
Issue : 24(2):
Page(s) : 86-96.



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Abstract

Multibeam bathymetric data collected in the Strait of Georgia, British Columbia, have revealed two areas of seabed disturbance, interpreted to be faults. The easterly fault zone (Fraser Delta Fault) is demarked by a pockmark chain extending along strike of a southwesterly-dipping fault offset 1 km to the northeast and having a throw of over 50 m. The pockmarks occur in a region of high sedimentation, located in the Fraser River prodelta. The eastern strait fault zone (Porlier Pass Fault) occurs within a fold of the Cretaceous Nanaimo Group. Here, a series of thrust faults displace sediments from Cretaceous to Holocene by up to 40 m with over 2 km of surface expression. Based on Holocene stratigraphic displacement in an area of significant sedimentation, these fault zones are considered to be active

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Bibliography of Canadian Geomorphology