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Logs for interpretation practice. Things to record for each log: Interpretation of geomorphic setting of sedimentation overall Each piece of evidence for an earthquake: -location -type of evidence -quality (poor, fair, good) 3) Number of earthquakes and the quality of each - PowerPoint PPT Presentation
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Logs for interpretation practiceThings to record for each log:1) Interpretation of geomorphic setting of
sedimentation overall2) Each piece of evidence for an earthquake:
-location-type of evidence-quality (poor, fair, good)
3) Number of earthquakes and the quality of each4) Speculation about paleoslip/magnitude
Photo of the North Frontal thrust fault exposed in a trench through young alluvium. The 1.7 m dip-slip offset of a carbonate paleosol horizon is readily visible. This offset must postdate the age of detrital charcoal retreived from the hanging-wall one meter left of the tape measure, which we have dated with radiocarbon as 9.7 Ka. This demonstrates Holocene activity along the North Frontal thrust system.
http://www.esp.geos.vt.edu/spotila/js-nfts.html
http://www.geology.cwu.edu/facstaff/charlier/currentprojects/los_angeles_sum.html
T4 NW WallSW NE
0 1 m
Scharer, et al., 2007
Scharer, et al., 2007
Scharer, et al., 2007