Results 231 to 240 of about 31,006 (289)

Experimental evidence for superionic Fe-C alloy revealed by shear softening in Earth's inner core. [PDF]

Natl Sci Rev
Huang Y, He Y, Zhang Y, Li J, Hao L, Gan B, Jiang G, Wu Q, Mao HK.   +8 more
europepmc   +1 more source

Accurate velocity estimation from surface-consistent residual statics. [PDF]

Sci Rep
Muhammad A, Edigbue P, Hanafy S, Waheed UB, Al-Shuhail A.   +4 more
europepmc   +1 more source

Frequency domain analysis of torsional vibration of single pile in orthotropic viscoelastic layered foundation. [PDF]

Sci Rep
Lian Z, Zhu Y, Jiu Y.
europepmc   +1 more source

Australian compilation of seismic-derived bathymetry. [PDF]

Sci Data
Lebrec U, Paumard V, Denudt J, Du Réau C, Lang SC, Bailleul J.   +5 more
europepmc   +1 more source

Determining acoustic impedance cube by inverting seismic data using feedforward and radial basis neural networks in an Iranian oilfield. [PDF]

Sci Rep
Ghiasvand A, Javaherian A, Amirmazlaghani M, Saberi MR, Mahdavi Basir H, Khadem B.   +5 more
europepmc   +1 more source

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Mantle dynamics and seismic anisotropy

Earth and Planetary Science Letters, 2010
Abstract Observations of seismic anisotropy yield some of the most direct constraints available on both past and present-day deformation in the Earth's mantle. Insight into the character of mantle flow can also be gained from the geodynamical modeling of mantle processes on both global and regional scales.
Maureen D. Long, Thorsten W. Becker
openaire   +3 more sources

Seismic Anisotropy of Fractured Rocks

3rd International Congress of the Brazilian Geophysical Society, 1993
Abstract A simple method for including the effects of geologically realistic fractures on the seismic propagation through fractured rocks can be obtained by writing the effective compliance tensor of the fractured rock as the sum of the compliance tensor of the unfractured background rock and the compliance tensors for each set of ...
Michael Schoenberg, Colin M. Sayers
openaire   +1 more source

Seismic anisotropy — Introduction

GEOPHYSICS, 2017
Seismic anisotropy has evolved over the years from an esoteric, largely theoretical field to a key component in building robust subsurface models from seismic data (for a detailed historical overview, see Helbig and Thomsen, 2005). Transversely isotropic media with a vertical (VTI) and tilted (TTI) axis of symmetry have become standard in seismic ...
Grechka, V., Pšencík, I., Ravve, I., Tsvankin, Ilya   +3 more
openaire   +2 more sources

Seismic anisotropy of shales

Journal of Geophysical Research: Solid Earth, 1995
The seismic properties and preferred clay mineral orientation of a suite of shales are investigated using laboratory velocity measurements as a function of confining pressure, X ray diffraction techniques, and electron microprobe backscatter (BSE) imaging.
Joel E. Johnston, Nikolas I. Christensen
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Seismic Anisotropy – Introduction

Geophysics, 2009
Abstract Most papers in this special issue were presented at the 13th International Workshop on Seismic Anisotropy (13IWSA) held in Winter Park, Colorado, U.S.A. on 10–15 August 2008. The organizing committee included Ilya Tsvankin and Ken Larner of the Center for Wave Phenomena at Colorado School of Mines and James Gaiser and Edward ...
Ilya Tsvankin, Ken Larner, James Gaiser, Vladimir Grechka   +3 more
openaire   +1 more source