Geoscience Reference
In-Depth Information
Gu, Y. J. and Sacchi, M. (2009). Radon transform meth-
ods and their applications in mapping mantle reflec-
tivity structure.
Surv Geophys
,
30
(4-5): 327-354.
Gung, Y., Panning, M., and Romanowicz, B. (2003).
Global anisotropy and the thickness of continents.
Nature
,
422
: 707-711.
Hales, A. L., Muirhead, K. J., and Rynn, J. M. W. (1980).
A compressional velocity distribution for the upper
mantle.
Tectonophysics
,
63
: 309-348.
Helffrich, G. (2000). Topography of the transition zone
seismic discontinuities.
Rev Geophys
,
38
: 141-158.
Helmberger, D. V. and Engen, G. R. (1974). Upper mantle
shear structure.
J Geophys Res
,
79
: 4017-4028.
Hirose, K. (2002). Phase transitions in pyrolitic man-
tle around 670-km depth: implications for upwelling
of plumes from the lower mantle.
J Geophys Res
,
107
(B4).
Hofmann, A. W. (1997). Mantle geochemistry: the mes-
sage from oceanic volcanism.
Nature
,
385
: 219-229.
Honda, S., Yuen, D., Balachandar, S., and Reuteler, D.
(1993). 3-dimensional instabilities of mantle con-
vection with multiple phase-transitions.
Science
,
259
(5099): 1308-1311.
Houser, C., Masters, G., Flanagan, M., and Shearer,
P. (2008). Determination and analysis of long-
wavelength transition zone structure using SS pre-
cursors.
Geophys J Intern
,
174
(1): 178-194.
Houser, C. and Williams, Q. (2010). Reconciling Pacific
410 and 660 km discontinuity topography, transition
zone shear velocity patterns, and mantle phase tran-
sitions.
Earth Planet Sci Lett
,
296
(3-4): 255-266.
Ita, J. and Stixrude, L. (1992). Petrology, elasticity and
composition of the mantle transition zone.
J Geophys
Res
,
97
: 6849-6866.
Ito, E. and Takahashi, E. (1989). Post-spinel trans-
formations in the system Mg2SiO4-Fe2SiO4 and
some geophysical implications.
J Geophys Res
,
94
:
10 637-10 646.
Johnson, L. R. (1967). Array measurements of P ve-
locities in the upper mantle.
J Geophys Res
,
72
:
6309-6325.
Johnson, L. R. (1969). Array measurements of P veloc-
ities in the lower mantle.
Bull Seism Soc Amer
,
59
:
973-1008.
Kaneshima, S. and Helffrich, G. (1999). Dipping low-
velocity layer in the mid-lower mantle: evidence for
geochemical heterogeneity.
Science
,
283
: 1888-1891.
Kaneshima, S. and Helffrich, G. (2009). Lower mantle
scattering profiles and fabric below Pacific subduc-
tion zones.
Earth Planet Sci Lett
,
282
(1-4): 234-239.
Karato, S. (1992). On the Lehmann discontinuity.
Geo-
phys Res Lett
,
19
(22): 2255-2258.
Karato, S. (2011). Water distribution across the man-
tle transition zone and its implications for global
material circulation.
Earth Planet Sci Lett
,
301
(3-4):
413-423.
Katsura, T. and Ito, E. (1989). The system Mg2SiO4-
Fe2SiO4 at high pressures and temperatures: pre-
cise determination of stabilities of olivine, modified
spinel, and spinel.
J Geophys Res
,
94
: 15,663-15,670.
Kawakatsu, H. and Niu, F. (1994). Seismic evidence
for a 920-km discontinuity in the mantle.
Nature
,
371
(6495): 301-305.
Komabayashi, T., Hirose, K., Sata, N., Ohishi, Y., and
Dubrovinsky, L. S. (2007). Phase transition in Ca-
SiO3 perovskite.
Earth Planet Sci Lett
,
260
(3-4):
564-569.
Lawrence, J. and Shearer, P. (2006a). Constraining
seismic velocity and density for the mantle transi-
tion zone with reflected and transmitted waveforms.
G-cubed
, 7:10.1029/2006GC001 339.
Lawrence, J. and Shearer, P. (2006b). A global study of
transition zone thickness using receiver functions.
J
Geophys Res
, 111:10.1029/2005JB003 973.
Lawrence, J. and Shearer, P. (2008). Imaging mantle tran-
sition zone thickness with SdS-SS finite-frequency
sensitivity kernels.
Geophys J Intern
,
174
: 143-158.
Lebedev, S., Chevrot, S., and van de Hilst, R. (2002).
Seismic evidence for olivine phase changes at the
410-and 660-kilometer discontinuities.
Science
,
296
:
1300-1302.
Lee, D. and Grand, S. (1996). Depth of the upper mantle
discontinuities beneath the East Pacific Rise.
Geo-
phys Res Lett
,
23
(23): 3369-3372.
LeFevre, L. V. and Helmberger, D. V. (1989). Upper
mantle P velocity structure of the Canadian shield.
J
Geophys Res
,
94
(B12): 17 749-17 765.
Lehmann, I. (1959). Velocities of longitudinal waves in
the upper part of the Earth's mantle.
Anne Geophys
,
15
: 93-118.
Lehmann, I. (1961). S and the structure of the upper
mantle.
Geophys J Roy astron Soc
,
4
: 124-138.
LeStunff, Y., Wicks, C. W., and Romanowicz, B. (1995).
P'P' precursors under Africa: Evidence for mid-mantle
reflectors.
Science
,
270
: 74-77.
Li, A., Fischer, K., van der Lee, S., and Wysession, M.
(2002). Crust and upper mantle discontinuity struc-
ture beneath eastern North America.
J Geophys Res
,
107
(B5): 2100-2107.
