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Browse MARGINS Awards in reverse chronological order after start date (most recent first):

Strike-Parallel Variations in Clay Mineralogy and Their Impact on the Cascadia Seismogenic Zone

MARGINS Focus Area Seismogenic Zone
NSF Org OCE
Latest Amendment Date August 9, 2000
Award Number 0001768
Award Instrument Standard Grant
Program Manager Bilal U. Haq
OCE DIVISION OF OCEAN SCIENCES
GEO DIRECTORATE FOR GEOSCIENCES
Start Date September 1, 2000
Expires August 31, 2002 (Estimated)
Expected Total Amount $69767 (Estimated)
Investigator Michael B. Underwood (Principal Investigator current)
Sponsor U of Missouri Columbia
Office of Sponsored Prgm Admin
Columbia, MO 65211
NSF Program 1620 MARINE GEOLOGY AND GEOPHYSICS
Field Application 0204000 Oceanography
Abstract

The objective of the study is to understand the basic and critical input parameter for the mechanics of subduction zone decollements, the quantitative effect of smectite input. The PI will carry out a study of the DSDP/ODP drilling samples to determine their clay mineralogy and how it influences seismic behavior and slip stability. The focus will be on samples from the Cascadia margin, but the results will be compared to and relevant to other seismogenic zones as well.