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Natural Sciences > Earth, Atmospheric, and Planetary Sciences > Structure and Dynamics of the CMB Region
 Structure and Dynamics of the CMB Region  posted by  duggu   on 1/29/2008  Add Courseware to favorites Add To Favorites  
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Abstract/Syllabus:

Shim, Sang-Heon (Dan), and Stephane Rondenay, 12.570 Structure and Dynamics of the CMB Region, Spring 2004. (Massachusetts Institute of Technology: MIT OpenCourseWare), http://ocw.mit.edu (Accessed 09 Jul, 2010). License: Creative Commons BY-NC-SA

Strong mantle flow near CMB.

Strong mantle flow near CMB. (Image courtesy of OCW.)

Course Highlights

This course includes lecture notes and a reading list.

Course Description

The Core Mantle Boundary (CMB) represents one of the most important physical and chemical discontinuities of the deep Earth as it separates the solid state, convective lower mantle from the liquid outer core. In this seminar course, the instructors will examine our current understanding of the CMB region from integrated seismological, mineral physics and geodynamical perspectives. Instructors will also introduce state-of-the-art methodologies that are employed to characterize the CMB region and relevant papers will be discussed in class. Topics will include CMB detection and topography, D'' anisotropy, seismic velocity anomalies (e.g., ultra-low velocity zones), temperature, chemical reactions, phase relations, and mineral fabrications at the core-mantle boundary. These results will be integrated to address the CMB's fundamental role in both mantle and core dynamics.

Syllabus

 
 
The Core Mantle Boundary (CMB) represents one of the most important physical and chemical discontinuities of the deep Earth as it separates the solid state, convective lower mantle from the liquid outer core. In this seminar course, we will examine our current understanding of the CMB region from integrated seismological, mineral physics and geodynamical perspectives. Instructors will introduce state-of-the-art methodologies that are employed to characterize the CMB region and relevant papers will be discussed in class. Topics will include CMB detection and topography, D'' anisotropy, seismic velocity anomalies (e.g., ultra-low velocity zones), temperature, chemical reactions, phase relations, and mineral fabrications at the core-mantle boundary. These results will be integrated to address the CMB's fundamental role in both mantle and core dynamics.


Topics
  • The D'' Region
  • Ultralow Velocity Zones and Partial Melting
  • Anisotropy and Mineral Texture
  • Core Rigidity Zones and Chemical Reactions/Sedimentation
  • Mantle Flow Near the CMB
  • Coupling Between the Core and the Mantle
  • CMB and the Geomagnetic Field
Term Paper

 

NSF-type proposal focused on outstanding CMB question, including a detailed research plan; 3-5 students per team; 15 pages maximum (including text + figures, but excluding references)

Calendar

 
 
SES # TOPICS KEY DATES
1 Introduction  
2 Overview Papers  
3 D'' Region and Chemical Interaction  
4 ULVZ and CMB Reaction  
5 ULVZ and Thermal Gradient Across CMB  
6 Lower-mantle Solidus  
7 D'' Anisotropy and Mineral Texture  
8 D'' Anisotropy and Mineral Texture (cont.) Term Paper Proposals Due
9 Geodynamic Constraints  
10 D'' Anisotropy and Mineral Texture and Plumes  
11 Geochemical Constraints  
12 Core-mantle Coupling and Geomagnetic Field  
13 Student Presentations Term Papers Due (End of the Week)
14 Student Presentations Term Papers Due (End of the Week)



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