Geoscience Reference
In-Depth Information
660-km discontinuity.
Geophys Res Lett
,
24
(21):
2613-2616.
Chambers, K., Deuss, A., and Woodhouse, J. (2005a).
Reflectivity of the 410-km discontinuity from PP and
SS precursors.
J Geophys Res
,
110
(B2): B02301.
Chambers, K., Woodhouse, J., and Deuss, A. (2005b).
Topography of the 410-km discontinuity from PP
and SS precursors.
Earth Planet Sci Lett
,
235
(3-4):
610-622.
Chevrot, S., Vinnik, L., andMontagner, J. (1999). Global-
scale analysis of the mantle Pds phases.
J Geophys
Res
,
104
(B9): 20 203-20 219.
Courtillot, V., Davaille, A., Besse, J., and Stock, J. (2003).
Three distinct types of hotspots in the Earth's mantle.
Earth Planet Sci Lett
,
205
: 295-308.
Davies, G. F. and Richards, M. A. (1992). Mantle con-
vection.
JGeol
,
100
, 151-206.
Deuss, A. (2007). Seismic observations of transition-
zone discontinuities beneath hotspot locations.
The
Geological Society of America Special Paper
,
430
:
121-136.
Deuss, A. (2009). Global observations of mantle discon-
tinuities using SS and PP precursors.
Surv Geophys
,
30
, 301-326
Deuss, A., Redfern, S., Chambers, K., and Woodhouse, J.
(2006). The nature of the 660-kilometer discontinuity
in earth's mantle from global seismic observations of
PP precursors.
Science
,
311
(5758): 198-201.
Deuss, A. and Woodhouse, J. H. (2001). Seismic ob-
servations of splitting of the mid-transition zone
discontinuity in Earth's mantle.
Science
,
294
(5541):
354-357.
Deuss, A. and Woodhouse, J. H. (2002). A systematic
search for mantle discontinuities using SS-precursors.
Geophys Res Lett
,
29
(8): 1249-1252.
Deuss, A. and Woodhouse, J. H. (2004). The nature of
the Lehmann discontinuity from its seismological
Clapeyron slopes.
Earth Planet Sci Lett
,
225
(3-4):
295-304.
Dey-Sarkar, S. K. and Wiggins, R. A. (1976). Upper
mantle structure in western Canada.
J Geophys Res
,
81
: 3619-3632.
Dziewonski, A. M. and Anderson, D. L. (1981). Prelimi-
nary reference Earth model.
Phys Earth Planet Inter
,
25
(4): 297-356.
Engdahl, E. R. and Flinn, E. A. (1969). Seismic waves
reflected from discontinuities within Earth's upper
mantle.
Science
,
163
: 177-179.
Estabrook, C. H. and Kind, R. (1996). The nature of
the 660-kilometer upper-mantle seismic discontinu-
ity from precursors to the PP phase.
Science
,
274
:
1179-1182.
Flanagan, M. and Shearer, P. (1998a). Global mapping
of topography on transition zone velocity disconti-
nuities by stacking SS precursors.
J Geophys Res
,
103
(B2): 2673-2692.
Flanagan, M. P. and Shearer, P. M. (1998b). Topography
on the 410-km seismic velocity discontinuity near
subduction zones from stacking of sS, sP, and pP
precursors.
J Geophys Res
,
103
(B9): 21,165-21,182.
Flanagan, M. P. and Shearer, P. M. (1999). A map of
topography on the 410-km discontinuity from PP
precursors.
Geophys Res Lett
,
26
(5): 549-552.
Frost, D. (2003). The structure and sharpness of
(Mg,Fe)(2)SiO4 phase transformations in the transi-
tion zone.
Earth Planet Sci Lett
,
216
(3): 313-328.
Frost, D. J. and Dolejs, D. (2007). Experimental deter-
mination of the effect of H2O on the 410-km seismic
discontinuity.
Earth Planet Sci Lett
,
256
: 182-195.
Fukao, Y. (1977). Upper mantle P structure on the ocean
side of the Japan-Kurile arc.
Geophys J Roy Astron
Soc
,
50
: 621-642.
Gaherty, J. B. and Jordan, T. H. (1995). Lehmann dis-
continuity as the base of an anisotropic layer beneath
continents.
Science
,
268
: 1468-1471.
Given and Helmberger, D. (1980). Upper mantle struc-
ture of northwestern Eurasia.
J Geophys Res
,
85
:
7183-7194.
Gossler, J. and Kind, R. (1996). Seismic evidence for very
deep roots of continents.
Earth Planet Sci Lett
,
138
:
1-13.
Grand, S. P. and Helmberger, D. V. (1984). Upper mantle
shear structure of North America.
Geophys J Roy
Astron Soc
,
76
: 399-438.
Graves, R. W. and Helmberger, D. (1988). Upper mantle
cross-section from Tonga to Newfoundland.
JGeo-
phys Res
,
93
(B5): 4701-4711.
Gu, Y. and Dziewonski, A. (2002). Global variability
of transition zone thickness.
J Geophys Res
,
107
(B7):
2135-2146.
Gu, Y., Dziewonski, A., and Agee, C. (1998). Global
de-correlation of the topography of transition zone
discontinuities.
Earth Planet Sci Lett
,
157
(1-2):
57-67.
Gu, Y., Dziewonski, A., and Ekstrom, G. (2001).
Preferential detection of the Lehmann discontinu-
ity beneath continents.
Geophys Res Lett
,
28
(24):
4655-4658.
Gu, Y., Dziewonski, A. M., and Ekstr om, G. (2003).
Simultaneous inversion for mantle shear wave veloc-
ity and topography of transition zone discontinuities.
Geophys J Intern
,
154
: 559-583.