urn:ieda:metadataabout:10.15784-601019
eng
dataset
Dataset
Interdisciplinary Earth Data Alliance
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ISO 19139 Geographic Information - Metadata - Implementation Specification
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Shear Wave Splitting Analysis and Seismic Anisotropy beneath the Northern Transantarctic Mountains
2017-04-20
publication
doi:10.15784/601019
Hansen, Samantha
University of Alabama, Tuscaloosa, AL, 35487, US
shansen@geo.ua.edu
http://orcid.org/ORCID:0000-0001-7608-5715
ORCID
author
U.S. Antarctic Program (USAP) Data Center
publisher
Abstract: Using data from the Transantarctic Mountains (TAMs) Northern Network, shear-wave splitting analysis has been employed to constrain azimuthal anisotropy beneath a portion of the northern TAMs. Splitting measurements were made for PKS, SKS, and SKKS phases with the eigenvalue method in SplitLab. The results show two distinct geographic regions of anisotropy: one behind the TAMs front and the other along the Ross Sea coastline. The anisotropic structure behind the TAMs front is best attributed to relict fabric associated with past tectonic episodes. Along the coastline, the anisotropy is interpreted to reflect mantle flow associated with rift-related decompression melting and Cenozoic extension.
funderName:NSF:GEO:PLR:Antarctic Earth Sciences
awardNumber:1148982
awardTitle:CAREER: Deciphering the Tectonic History of the Transantarctic Mountains and the Wilkes Subglacial Basin
Complete
Hansen, Samantha
University of Alabama, Tuscaloosa, AL, 35487, US
http://orcid.org/ORCID:0000-0001-7608-5715
ORCID
pointOfContact
1
Global Positioning Systems (GPS)
method
Antarctic Earth Sciences
program
Seismology
Shearwave Spitting
subject
Geology/Geophysics - Other
Sample/Collection Description
IEDA data type categories
IEDA integrated catalog keyword vocabulary
2017-10-11
creation
Antarctica
IEDA feature of interest
IEDA integrated catalog keyword vocabulary
2017-10-11
creation
Solid Earth
IEDA topic
IEDA integrated catalog keyword vocabulary
2017-10-11
creation
Transantarctic Mountains
place
US Antarctic Program Data Center (USAP-DC)
Data Center
Creative Commons Attribution-NonCommercial-Share Alike 3.0 United States [CC BY-NC-SA 3.0]
Creative Commons Attribution-NonCommercial-Share Alike 3.0 United States [CC BY-NC-SA 3.0]
Graw, J.H. and S.E. Hansen, (2017). Upper mantle seismic anisotropy beneath the Northern Transantarctic Mountains, Antarctica from PKS, SKS, and SKKS splitting analysis, Geochem. Geophys. Geosys., 18, doi:10.1002/2016GC006729.
URN
IsReferencedBy
eng
geoscientificInformation
Transantarctic Mountains
153.327
165.120012
-76.237352
-73.032547
http://dx.doi.org/10.15784/601019
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http://www.usap-dc.org/view/dataset/601019
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This metadata record was generated by an xslt transformation from a DataCite metadata record; The transform was created by Damian Ulbricht and Stephen M. Richard. 2017-11-15 these records include new IEDA keywords for geoportal facets Run on 2018-06-21T19:05:25-07:00
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