'Mantle flow' presentation slideshows

Constraining Upper Mantle Flow Using Seismic Anisotropy & Geodynamic Modeling

Constraining Upper Mantle Flow Using Seismic Anisotropy & Geodynamic Modeling. Donna Blackman Scripps Institution of Oceanography John Collins, Don Forsyth, Jim Gaherty, Cecilio Rebollar. Overview. Upper mantle flow associated with plate motion and melt-enhanced upwelling

681 views • 39 slides

506 views • 34 slides

Vertical mantle flow associated with a lithospheric drip beneath the Great Basin

508 views • 31 slides

Douglas A. Wiens & James Conder

324 views • 22 slides

Geometry & Rates of 3D Mantle Flow in Subduction Zones

Geometry & Rates of 3D Mantle Flow in Subduction Zones. Magali I. Billen U.C. Davis Dept. of Geology MARGINS Successor Program Workshop, Feb. 15-17, 2010. MARGINS & Geodynamic Modeling. Models of wedge convection Rheology (deformation mechanisms, fabrics, LPO directions, dynamics)

323 views • 21 slides

Island Arc Magmatism

Island Arc Magmatism. Eruption of Anatahan Volcano, Northern Mariana Is, June 10, 2003. Subduction Factory. Arc lavas contain signature of subducted sediments. Decompression Melting. This model includes a backarc spreading center and shows contours of decompression melt production.

487 views • 17 slides

Geodetic monitoring of crustal deformation in Dronning Maud Land, Antarctica

302 views • 11 slides

Shear velocity of olivine

Seismic Anisotropy . Shear velocity of olivine. Data from Kumazawa & Anderson [1969]. Anisotropy of Polycrystaline Rocks Twin Sisters Dunite. Babuska , 1972. Velocity Anisotropy - Twin Sisters Dunite. B - axes. C - axes. A - axes. P velocities. Babuska , 1972.

483 views • 9 slides

The Mantle Flow Field beneath Western North America

The Mantle Flow Field beneath Western North America. Silver and Holt, Science 295, 1054, 2002 Abigail L. Bull Earthscope Seminar, January 2007. Motivation: Western US Tectonics. www.earth.northwestern.edu. Motivation: Mantle Flow Pattern. Smith et al ., Science 292 , 713 (2001).

197 views • 8 slides

LJ Liu & DR Stegman Nature 482 , 386-389 (2012) doi:10.1038/nature10749

89 views • 1 slides