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Data for Frictional Properties and 3-D Stress Analysis of the Southern Alpine Fault, New Zealand (2013)

Dates

Publication Date
Start Date
2013-03-09
End Date
2013-04-26

Citation

Boulton, C., Barth, N.C., Moore, D.E., Lockner, D.A., Townend, J., and Faulkner, D.R., 2018, Data for frictional properties and 3-D stress analysis of the southern Alpine Fault, New Zealand (2013): U.S. Geological Survey data release, https://doi.org/10.5066/P9PPLQIM.

Summary

New Zealand’s Alpine Fault (AF) ruptures quasi-periodically in large-magnitude earthquakes. Paleoseismological evidence suggests that about half of all recognized AF earthquakes terminated at the boundary between the Central and South Westland sections of the fault. There, fault geometry and the polarity of uplift change. The South Westland AF exhibits oblique-normal fault motion on a structure oriented 055/82SE that, for at least 35 km along strike, contains saponite-rich principal slip zone gouges. New hydrothermal friction experiments reveal that the saponite fault gouge is frictionally weak, exhibiting friction coefficients between =0.12 and =0.16 for a range of temperatures (T=25–210 C) and effective normal stresses (n'=31.2–93.6 [...]

Contacts

Point of Contact :
Diane E Moore, PACIFIC REGION
Process Contact :
Diane E Moore, PACIFIC REGION
Originator :
Carolyn Boulton, Nicolas C. Barth, Diane E Moore, David A Lockner, John Townend, Daniel R. Faulkner
Metadata Contact :
Diane E Moore, PACIFIC REGION
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Earthquake Hazards Program
USGS Mission Area :
Natural Hazards

Attached Files

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SG_201845_Data_Archive.xml
“Friction Experiment Metadata”
Original FGDC Metadata
View 		14.98 KB application/fgdc+xml
SG_201845_Data_Archive.txt
“Friction Experiment Data” 		7.49 MB text/plain

Purpose

The data were collected to measure the frictional strength of fault gouge from the southern Alpine Fault, for use in stress analyses and comparison to the central Alpine Fault.

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9PPLQIM

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