International Federation of Digital Seismograph Networks

XP (2008-2009): Colorado Rockies Experiment and Seismic Transect

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FDSN Network Information

FDSN code XP (2008-2009) Network name Colorado Rockies Experiment and Seismic Transect (CREST)
Start year 2008 Operated by
  • New Mexico Tech, United States of America
End year 2009 Deployment region

Three independent North American scale surface wave images find that the mantle beneath the Colorado Rocky Mountains has a velocity of <4.2 km/s, consistant with the asthenospheric temperature that is at or near the dry solidus of peridotite. At a finer scale body wave tomorgraphic images find that the region is underlain by an enigmatic low velocity mantle that we refer to as the Aspen Anomaly. This project will provde near 3D teleseismic images of the geometry of the mantl anomaly in central Colorado and will investigate time space correlation between Cenozoic rock uplift and denudation patterns, magmatism, and the modern day mantly anomaly using a host of intergrated geological and geophysical techniques. We seek to understand when and why changes in lithospheric buoyancy occurred in the Rockies and how these changes have been expressed in terms of Cenozoic magmatism, and the topographic evolution of the highest elevation region of the Rocky Mountains.

Citation Information

Digital Object Identifier (DOI) 10.7914/SN/XP_2008
For more: DataCite ( JSON | XML | BibTeX )

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