PDF-Convection in the mantle

2 SUBDUCTION New oceanic crust is created at the East Pacific RiseOld oceanic crust and lithosphere are subducted at 3 Pacific Ocean Aleutian trenchKamchatka Notice that the trenches are curved with. 1shows the THE MANTLE PLUMEHYPOTHESIS Convection in fluids is driven bybuoyancy anomalies that originatein thermal boundary layers.Earth Transition Zone Discontinuities beneath the Contiguous United . States. Stephen . S. . Gao and Kelly . H. Liu. sgao@mst.edu. ; . http://www.mst.edu/~sgao. . Missouri . University of Science and . Technology . Day Lecturer Lectures. 1 BB Introduction. 1 MM Equations of Mantle convection. 2 AM Large-Scale Mantle Convection and Numerical Modeling of it. 4 JA Rotating Fluid Dynamics and Essential Flows in Planetary Cores. Explain the “mantle convection hypothesis”.. Compare and contrast ridge push and slab pull.. 8.3 Causes of Plate Movement. Introduction. 3 major hypotheses describe how tectonic plates move. Mantle convection. Miles Osmaston. , Woking, UK.. Why do we need a new and versatile MOR model - THREE reasons . MOR structures change a lot with spreading rate (mm/yr). :-. Fast. (EPR 70-150) - straight axes, orthogonal segmentation, smooth flanks. Compiled by David Beaty, Lars Borg, David Draper, Walter Kiefer, Jim Papike, Kevin Righter, Chip Shearer, Sue Smrekar, Jeff Taylor . Correspondence author: Dave Beaty . (JPL/Caltech), . David.W.Beaty@jpl.nasa.gov. Explore: p. 672 - 678. Learning Targets. I can use simple models to simulate the forces acting on tectonic plates.. I can compare directions of plate motions with locations of hot spots, spreading ridges, and trenches. On Monday and Tuesday…. We found the density of liquids and rocks. . We learned that denser materials sink, and lighter materials float.. We learned that granite is lighter than basalt and that iron is denser than both.. Th. . contents. (just a review of noble gas reservoirs....). 2013. 10. . 30. @Workshop on . Particle Geophysics, Sendai. Hirochika SUMINO. Geochemical Research Center (GCRC). University of Tokyo. Cover a wide mass range.. Compiled by David Beaty, Lars Borg, David Draper, Walter Kiefer, Jim Papike, Kevin Righter, Chip Shearer, Sue Smrekar, Jeff Taylor . Correspondence author: Dave Beaty . (JPL/Caltech), . David.W.Beaty@jpl.nasa.gov. The process which heat or electricity is . directly. transferred through a substance when there is a difference in temperature or electrical potential. . Conduction = TOUCHING . Conduction. Convection. Keller and . Tackley. , 2009, Towards self-consistent modeling of the . martian. dichotomy: The influence of one-ridge convection on crustal thickness distribution, Icarus 202, 429-443. . The . dominant feature of the crustal thickness distribution obtained from one-ridge convection in the mantle is a characteristic, roughly elliptical shape that shows a striking first- order similarity to the shape of the . p. otential hotspot. p. otential hotspot. Based on illustration by . Lidunka. . Vočadlo. , University College London. We propose this scenario: . Layered Mantle Convection. Location of the boundary can be adjusted to suit different needs.. Why is it windy at the seaside?. Cold air sinks. Where is the freezer compartment put in a fridge?. Freezer compartment. It is put at the top, because cool air sinks, so it cools the food on the way down..