1 / 8

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).

hester
Download Presentation

The Mantle Flow Field beneath Western North America

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. The Mantle Flow Field beneath Western North America Silver and Holt, Science 295, 1054, 2002 Abigail L. Bull Earthscope Seminar, January 2007

  2. Motivation: Western US Tectonics www.earth.northwestern.edu Earthscope Seminar Abigail L. Bull

  3. Motivation: Mantle Flow Pattern Smith et al., Science 292, 713 (2001). Peyton et al., Geophys. Res. Lett. 28, 379 (2001). Earthscope Seminar Abigail L. Bull

  4. Flow: due to plate motion Flow: due to density anomalies Motivation: Modeling Mantle Flow www.cas.muchio.edu http://www.geo.lsa.umich.edu/~crlb/ Earthscope Seminar Abigail L. Bull

  5. Data: Surface Deformation and Splitting data Silver et al., Science 295, 1054 (2002). Earthscope Seminar Abigail L. Bull

  6. Results Silver et al., Science 295, 1054 (2002). Earthscope Seminar Abigail L. Bull

  7. Conclusions and Implications www.geo.lsa.umich.edu • Mantle constitutes weak drag force Earthscope Seminar Abigail L. Bull

  8. Discussion Topics • Is mantle flow related to velocities of overlying plates? • Does mantle flow have any effect on a plate’s motion? • Are there other methods to determine mantle flow? • What would flow field look like in various tectonic regions? Earthscope Seminar Abigail L. Bull

More Related