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The geophysical structure of the Sie...

Heimgartner, Michelle N.

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The geophysical structure of the Sierra Nevada crustal root.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	The geophysical structure of the Sierra Nevada crustal root./
Author:	Heimgartner, Michelle N.
Description:	51 p.
Notes:	Adviser: John N. Louie.
Contained By:	Masters Abstracts International45-05.
Subject:	Geophysics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1442856

The geophysical structure of the Sierra Nevada crustal root.
Heimgartner, Michelle N.

The geophysical structure of the Sierra Nevada crustal root. - 51 p.

Adviser: John N. Louie.

Thesis (M.S.)--University of Nevada, Reno, 2007.

The Idaho-Nevada-California (INC) experiment utilized commercial mine blasts and local earthquakes, as well as a dense array of portable seismographs to complete a 600 km-long seismic refraction transect across northern Nevada and the central Sierra Nevada. Blasts at Barrick GoldStrike mine showed a Pg-Pn cross-over distance of 126 km to the southwest. First arrival time picks from two Barrick GoldStrike mine blasts and a magnitude 2.8 earthquake in Paso Robles, California were inverted using a tomographic optimization method. The preferred model shows that the central Sierra Nevada has a 43 +/- 2 km-thick crustal root centered 40 km west of the Sierra topographic crest. In conjunction with other geophysical and geologic work in the Sierra, including the 2002 Northern Walker Lane experiment, the INC results concur that the crustal root has delaminated in the central Sierra during the Cenozoic.Subjects--Topical Terms:

535228
Geophysics.

The geophysical structure of the Sierra Nevada crustal root.
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005 20110518
008 110518s2007 ||||||||||||||||| ||eng d
035 $a (UMI)AAI1442856
035 $a AAI1442856
040 $a UMI $c UMI
100 1 $a Heimgartner, Michelle N. $3 1264618
245 1 4 $a The geophysical structure of the Sierra Nevada crustal root.
300 $a 51 p.
500 $a Adviser: John N. Louie.
500 $a Source: Masters Abstracts International, Volume: 45-05, page: 2431.
502 $a Thesis (M.S.)--University of Nevada, Reno, 2007.
520 $a The Idaho-Nevada-California (INC) experiment utilized commercial mine blasts and local earthquakes, as well as a dense array of portable seismographs to complete a 600 km-long seismic refraction transect across northern Nevada and the central Sierra Nevada. Blasts at Barrick GoldStrike mine showed a Pg-Pn cross-over distance of 126 km to the southwest. First arrival time picks from two Barrick GoldStrike mine blasts and a magnitude 2.8 earthquake in Paso Robles, California were inverted using a tomographic optimization method. The preferred model shows that the central Sierra Nevada has a 43 +/- 2 km-thick crustal root centered 40 km west of the Sierra topographic crest. In conjunction with other geophysical and geologic work in the Sierra, including the 2002 Northern Walker Lane experiment, the INC results concur that the crustal root has delaminated in the central Sierra during the Cenozoic.
590 $a School code: 0139.
650 4 $a Geophysics. $3 535228
690 $a 0373
710 2 $a University of Nevada, Reno. $3 626634
773 0 $t Masters Abstracts International $g 45-05.
790 $a 0139
790 1 0 $a Louie, John N., $e advisor
791 $a M.S.
792 $a 2007
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1442856