Model Update January 2010: Upper Mantle Heterogeneity beneath North America from Traveltime Tomography with Global and USArray Transportable Array Data

2010 ◽  
Vol 81 (5) ◽  
pp. 689-693 ◽  
Author(s):  
S. Burdick ◽  
R. D. van der Hilst ◽  
F. L. Vernon ◽  
V. Martynov ◽  
T. Cox ◽  
...  
Keyword(s):  
North America ◽  
Upper Mantle ◽  
Mantle Heterogeneity ◽  
Array Data ◽  
Traveltime Tomography ◽  
Model Update

Model Update March 2011: Upper Mantle Heterogeneity beneath North America from Traveltime Tomography with Global and USArray Transportable Array Data

2012 ◽  
Vol 83 (2) ◽  
pp. 280-280 ◽  
Author(s):  
S. Burdick ◽  
R. D. van der Hilst ◽  
F. L. Vernon ◽  
V. Martynov ◽  
T. Cox ◽  
...  
Keyword(s):  
North America ◽  
Upper Mantle ◽  
Mantle Heterogeneity ◽  
Array Data ◽  
Traveltime Tomography ◽  
Model Update

Model Update March 2011: Upper Mantle Heterogeneity beneath North America from Traveltime Tomography with Global and USArray Transportable Array Data

2012 ◽  
Vol 83 (1) ◽  
pp. 23-28 ◽  
Author(s):  
S. Burdick ◽  
R. D. van der Hilst ◽  
F. L. Vernon ◽  
V. Martynov ◽  
T. Cox ◽  
...  
Keyword(s):  
North America ◽  
Upper Mantle ◽  
Mantle Heterogeneity ◽  
Array Data ◽  
Traveltime Tomography ◽  
Model Update

Model Update December 2008: Upper Mantle Heterogeneity beneath North America from P-wave Travel Time Tomography with Global and USArray Transportable Array Data

2009 ◽  
Vol 80 (4) ◽  
pp. 638-645 ◽  
Author(s):  
S. Burdick ◽  
R. D. van der Hilst ◽  
F. L. Vernon ◽  
V. Martynov ◽  
T. Cox ◽  
...  
Keyword(s):  
North America ◽  
Travel Time ◽  
Upper Mantle ◽  
P Wave ◽  
Mantle Heterogeneity ◽  
Array Data ◽  
Travel Time Tomography ◽  
Model Update ◽  
Wave Travel

Model Update January 2013: Upper Mantle Heterogeneity beneath North America from Travel-Time Tomography with Global and USArray Transportable Array Data

2014 ◽  
Vol 85 (1) ◽  
pp. 77-81 ◽  
Author(s):  
S. Burdick ◽  
R. D. van der Hilst ◽  
F. L. Vernon ◽  
V. Martynov ◽  
T. Cox ◽  
...  
Keyword(s):  
North America ◽  
Travel Time ◽  
Upper Mantle ◽  
Mantle Heterogeneity ◽  
Array Data ◽  
Travel Time Tomography ◽  
Model Update

Model Update May 2016: Upper‐Mantle Heterogeneity beneath North America from Travel‐Time Tomography with Global and USArray Data

2017 ◽  
Vol 88 (2A) ◽  
pp. 319-325 ◽  
Author(s):  
Scott Burdick ◽  
Frank L. Vernon ◽  
Vladik Martynov ◽  
Jennifer Eakins ◽  
Trilby Cox ◽  
...  
Keyword(s):  
North America ◽  
Travel Time ◽  
Upper Mantle ◽  
Mantle Heterogeneity ◽  
Travel Time Tomography ◽  
Model Update

Upper Mantle Heterogeneity beneath North America from Travel Time Tomography with Global and USArray Transportable Array Data

2008 ◽  
Vol 79 (3) ◽  
pp. 384-392 ◽  
Author(s):  
S. Burdick ◽  
C. Li ◽  
V. Martynov ◽  
T. Cox ◽  
J. Eakins ◽  
...  
Keyword(s):  
North America ◽  
Travel Time ◽  
Upper Mantle ◽  
Mantle Heterogeneity ◽  
Array Data ◽  
Travel Time Tomography

scholarly journals A subduction influence on ocean ridge basalts outside the Pacific subduction shield

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
A. Y. Yang ◽  
C. H. Langmuir ◽  
Y. Cai ◽  
P. Michael ◽  
S. L. Goldstein ◽  
...  
Keyword(s):  
Upper Mantle ◽  
The Arctic ◽  
Mantle Flow ◽  
Mantle Heterogeneity ◽  
Gakkel Ridge ◽  
The Pacific ◽  
Mid Ocean Ridge ◽  
The Pacific Ocean ◽  
Back Arc ◽  
Ocean Ridge

AbstractThe plate tectonic cycle produces chemically distinct mid-ocean ridge basalts and arc volcanics, with the latter enriched in elements such as Ba, Rb, Th, Sr and Pb and depleted in Nb owing to the water-rich flux from the subducted slab. Basalts from back-arc basins, with intermediate compositions, show that such a slab flux can be transported behind the volcanic front of the arc and incorporated into mantle flow. Hence it is puzzling why melts of subduction-modified mantle have rarely been recognized in mid-ocean ridge basalts. Here we report the first mid-ocean ridge basalt samples with distinct arc signatures, akin to back-arc basin basalts, from the Arctic Gakkel Ridge. A new high precision dataset for 576 Gakkel samples suggests a pervasive subduction influence in this region. This influence can also be identified in Atlantic and Indian mid-ocean ridge basalts but is nearly absent in Pacific mid-ocean ridge basalts. Such a hemispheric-scale upper mantle heterogeneity reflects subduction modification of the asthenospheric mantle which is incorporated into mantle flow, and whose geographical distribution is controlled dominantly by a “subduction shield” that has surrounded the Pacific Ocean for 180 Myr. Simple modeling suggests that a slab flux equivalent to ~13% of the output at arcs is incorporated into the convecting upper mantle.

scholarly journals Isotopic evidence for chaotic imprint in upper mantle heterogeneity

2010 ◽  
Vol 11 (5) ◽  
pp. n/a-n/a ◽  
Author(s):  
Pietro Armienti ◽  
Daniela Gasperini
Keyword(s):  
Upper Mantle ◽  
Mantle Heterogeneity ◽  
Isotopic Evidence
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