mantle structure
Upper mantle structure from long-period SH
... seismometers and digital recording facilities. Of course, the spatial sampling of arrays has previously been exploited to determine travel-time gradients directly, but the use of such measurements alone is restricted by ...
271
Analysis of Upper and Lower Mantle Structure Using Shear Waves
... DOC ANALYSIS OF UPPER AND LOWER MANTLE STRUCTURE USING SHEAR WAVES Thesis by Thorne Lay In Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy California Institute of Techno[.] ...
363
Regional Variations in Upper Mantle Structure Beneath North America
... in a comprehensive study of variations in upper mantle structure beneath North America, theoretical behavior of body wave travel times, apparent velocities, and amplitudes have been calc[r] ...
216
A new model of the upper mantle structure beneath the western rim of the East European Craton
... crustal structure down to the Moho and only in few cases were deeper boundaries interpreted ...upper mantle phases (both reflections and refractions) were traced in the offset range beyond 400 km ...mic ...
13
Traces of the crustal units and the upper-mantle structure in the southwestern part of the East European Craton
... upper-mantle structure in Poland ...the structure of the crust and the uppermost mantle in the SW part of the EEC, obtained by different DSS projects ...
16
Determination of the Crust and Upper Mantle Structure in Anatolia by Surface Wave Data
... In this study, the crust and upper mantle structure of Anatolia have been investigated by measur- ing the group velocity dispersion data of discriminated seismic surface waves. In the scope of the study, it ...
11
Upper mantle structure around the Trans-European Suture Zone obtained by teleseismic tomography
... Abstract. The presented study aims to resolve the upper mantle structure around the Trans-European Suture Zone (TESZ), which is the major tectonic boundary in Europe. The data of 183 temporary and permanent ...
19
Rayleigh wave dispersion studies of crustal and upper mantle structure in New Guinea
... 206 207 I can remember in my early years at Hobart high school trying to draw 208 the mountain I must have been pretty influenced by that - this is how 209 you do the landscape thing - b[r] ...
465
Crust and uppermost mantle structure of the Kyushu Palau Ridge, remnant arc on the Philippine Sea plate
... crustal structure along the Kyushu-Palau Ridge (KPR), a 2600-km-long remnant island arc in the center of the Philippine Sea plate; 26 lines were shot across the strike of the KPR at 13°–31°N, and one was shot ...
18
Variations in the thickness of the crust of the Kaapvaal craton, and mantle structure below southern Africa
... Receiver functions and Pn and Sn arrivals provide a con- sistent picture of crustal thickness variations in the southern part of the Kaapvaal craton. Both methods show that the crust is much thicker in the northern ...
13
The application of synthetic seismograms to the interpretation of crustal and upper mantle structure
... The second period of recording took place from the 19th January to the 21st March 1978. It was decided to reoccupy the same line, but the philosophy of the operation was different. Twenty nine seismic recorders were ...
255
Adjoint tomography of the crust and upper mantle structure beneath the Kanto region using broadband seismograms
... speed structure and tectonic phenom- ...basin structure related to the excitation of surface waves is briefly discussed in the context of achieving strong motion prediction in the Kanto ...
20
Crust and uppermost mantle structure beneath central Japan inferred from receiver function analysis
... To correct for the latter effect, we estimated simple ve- locity structures beneath each station presented by Igarashi (2009). First, we calculated many synthetic receiver func- tion traces using the reflectivity ...
7
Active source seismic survey on the northeastern Hawaiian Arch: insights into crustal structure and mantle reflectors
... seismic structure of the crust and uppermost ...uppermost mantle parallel to the paleo-seafloor spreading direction, which indicates that the shallower mantle structure immediately below the ...
16
Passive Seismic Deployments from the Lützow Holm Bay to Inland Plateau of East Antarctica: The Japanese IPY Contribution to Structure and Seismicity
... and mantle structure and provide key constraints on the origin of the GSM [6], and more broadly on the structure and evolution of the East Antarctic craton and underlying upper mantle [7, ...
7
Magmatism of the Kenya Rift Valley : a review
... from mantle structure and composition, basalt equilibration pres- sures and geophysical information to suggest a relationship between basalt composition, lithospheric thickness and depth to the ...
15
Surface-wave imaging of the weakly-extended Malawi Rift from ambient-noise and teleseismic Rayleigh waves from onshore and lake-bottom seismometers
... uppermost mantle, which weakens and becomes more diffuse at greater depths (∼140 km; Adams et ...most mantle and potentially the presence of ...detailed structure of the low-velocity region and the ...
14
Three dimensional shear wave velocity structure in the upper mantle beneath the Philippine Sea region
... upper mantle shear wave model, ...upper mantle structure in the Philip- pine Sea region since Kanamori and Abe ...heterogeneous structure in the upper mantle beneath the Philippine Sea ...
14
Earth's structure from a bayesian analysis of seismic signals and noise
... The aim of th e last chapter of this thesis is to establish an improved model of compressional ve locity structure within the lowermost mantle by using a probabilistic inversion approach[r] ...
220
Seismic structure of the lithosphere and upper mantle beneath the ocean islands near mid-oceanic ridges
... seismic structure of the litho- sphere, the stacks of the moveout-corrected traces at each station are inverted using a linearized time domain iterative waveform inversion scheme (Ammon et ...
11