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

Dec 16, 2015

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Page 1: Sierra Nevada EarthScope Project (SNEP) PIs: George Zandt (Univ. Arizona) Craig Jones (Univ. Colorado) Tom Owens (Univ. South Carolina) Hersh Gilbert (Purdue.

Sierra Nevada EarthScope Project

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

Page 2: Sierra Nevada EarthScope Project (SNEP) PIs: George Zandt (Univ. Arizona) Craig Jones (Univ. Colorado) Tom Owens (Univ. South Carolina) Hersh Gilbert (Purdue.

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)

Page 3: Sierra Nevada EarthScope Project (SNEP) PIs: George Zandt (Univ. Arizona) Craig Jones (Univ. Colorado) Tom Owens (Univ. South Carolina) Hersh Gilbert (Purdue.

Zandt et al., 2003 & 2004

Lithospheric Foundering

Page 4: Sierra Nevada EarthScope Project (SNEP) PIs: George Zandt (Univ. Arizona) Craig Jones (Univ. Colorado) Tom Owens (Univ. South Carolina) Hersh Gilbert (Purdue.

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

Page 5: Sierra Nevada EarthScope Project (SNEP) PIs: George Zandt (Univ. Arizona) Craig Jones (Univ. Colorado) Tom Owens (Univ. South Carolina) Hersh Gilbert (Purdue.
Page 6: Sierra Nevada EarthScope Project (SNEP) PIs: George Zandt (Univ. Arizona) Craig Jones (Univ. Colorado) Tom Owens (Univ. South Carolina) Hersh Gilbert (Purdue.