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76474_7Carbotte_et_al_Oceanography2012.pdf CITATION
Carbotte, S.M., J.P. Canales, M.R. Nedimović, H. Carton, and J.C. Mutter. 2012. Recent seismic studies at the East Pacific Rise 8°20'-10°10'N and Endeavour Segment: Insights into mid-ocean ridge hydrothermal and magmatic processes. 25(1):100-112,http://dx.doi.org/10.5670/oceanog.2012.08. DOI http://dx.doi.org/10.5670/oceanog.2012.08
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?is article has been published in , Volume 25, Number 1, a quarterly journal of ?e Oceanography Society. Copyright 2012 by ?e Oceanography Society. All rights reserved.USAGE
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THE OffICIAl MAGAzINE Of THE OCEANOGRAPHY SOCIETY
DOwNlOADED fROM HTTP://www.TOS.ORG/OCEANOGRAPHY
Oceanography
Oceanography
Marcus Langseth. Courtesy of
Sandbox Studios, San Francisco, with
permission from Lamont-Doherty EarthObservatory O ce of Marine Operations
Oceanography
Conrad
Oceanography
Endeavour Segment
Suzanne M. Carbotte
(carbotte@ldeo.columbia.edu) is Bruce C. Heezen/Lamont Research Professor, Lamont-Doherty Earth Observatory, Columbia University,Palisades, NY, USA.
Juan Pablo Canales is Associate Scientist with Tenure, Geology and Geophysics Department, Woods Hole Oceanographic Institution, Woods Hole, MA, USA. Mladen R. Nedimovi? is Canada Research Chair in Geophysics and Petroleum Exploration, and Associate Professor, Dalhousie University, Halifax, Canada, and Adjunct Research Scientist, Lamont-Doherty Earth Observatory, Columbia University, Palisades,NY, USA.
Hélène Carton
is Lamont Assistant Research Professor, Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, USA.John C. Mutter
is Professor of Earth and Environmental Sciences, Columbia University, Palisades, NY, USA.Oceanography
East Pacific Rise 8°20'-10°10'N
0.91.01.11.21.31.41.51.61.71.81.92.02.14
CMP numbe
r B AMC800090001000011000120001300014000150001600017000180001900020000
9º00"9º04"
9°20"9°24"9°28"9°32"9°36"9°40"9°449°48"9°52"9°56"
Two-way travel Time (sec)
SN AMC SN 3.5 4.0 4.5Two-way travel Time (sec)
47°50"48°00"
A 3.047°46"47°58"47°54"48°06"48°02"48°08"48°04"47°52"47°48"47°56"
AMC AMC 2A 2A 2A 3.5 4.0 4.5Oceanography
) MothraMain EndeavourHigh Rise
Salty Dawg
Sasquatch
"
...
Oceanography
. ( ),Oceanography
pers. comm., ).Oceanography
2A-2B Boundary
MohoSediments
Wate rLine 34-32Igneous basement
7.0 166003.0 5.0
15000CMP numberCMP number13400
West (a)2A-2B BoundarySediments
WaterIgneous basemen
t Moho MohoSub-Moho events
Time (s)Time (s)
Line 17-3-1West
7.0199003.0
5.018300CMP numberCMP number16700
0Kilometers10
20 (b)From Nedimovi et al. (2005)
Oceanography
) ) N 2 s 10 km3.3 km
axial melt lens near-axis lowercrustal melt sill MohoFrom Canales et al. (2009)
Oceanography
12 313012011010090140
3.5 4.5Traveltime (s)
W2.07.03.04.05.06.0Velocity (km/s)
(a)10203040
Distance from ridge axis (km)
3.0 4.0Traveltime (s)
E (c)Up?owDown?ow 40303.0 4.0