Sierra Nevada EarthScope Project

(SNEP)PIs:George Zandt (Univ. Arizona)Craig Jones (Univ. Colorado)Tom Owens (Univ. South Carolina)Hersh Gilbert (Purdue Univ.)

MotivationsFollow-up on the 1993 and 1997 SSCD and SPE experiments, investigating the role in lithospheric removal in supporting the high crest of the Sierra Nevada, which has no crustal root

Understand the along- and across-strike structure and evolution of massive, Mesozoic-age continental arc (the present-day Sierra Nevada)

Zandt et al., 2003 & 2004

Lithospheric Foundering

http://www.iris.edu/gmap/XE?timewindow=2005-2007http://www.iris.edu/gmap/XE?timewindow=2005-2007

Two phases: 5/05-7/068/06-9/07

95 stations