PACE 1987 Seismic Refraction Survey, West-Central Arizona
Nickname
PACE1987
Format
SEGY
Type
USGS
Start year
1987
End Year
1987
Description
In May 1987, the Pacific to Arizona Crustal Experiment (PACE), funded by the USGS, conducted a seismic refraction survey across the Transition Zone between the Basin and Range Province (BRP) and Colorado Plateau in west-central Arizona. It was the second in a series of seismic refraction profiles which will eventually extend from northeastern Arizona to the Pacific Ocean off the coast of southern California. PACE was organized as a mutidisciplinary geoscience transect to study a wide swath of the earths crust in the southwestern US, where many different geologic terranes are juxtaposed. The seismic refraction experiments are an essential part of this transect, providing constraints on crustal structure and composition at depth.
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