| NSF Org: |
OCE Division Of Ocean Sciences |
| Recipient: |
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| Initial Amendment Date: | September 11, 2005 |
| Latest Amendment Date: | July 18, 2007 |
| Award Number: | 0526496 |
| Award Instrument: | Continuing Grant |
| Program Manager: |
Brian Midson
bmidson@nsf.gov (703)292-8145 OCE Division Of Ocean Sciences GEO Directorate for Geosciences |
| Start Date: | January 1, 2006 |
| End Date: | December 31, 2009 (Estimated) |
| Total Intended Award Amount: | $219,140.00 |
| Total Awarded Amount to Date: | $219,140.00 |
| Funds Obligated to Date: |
FY 2006 = $71,320.00 FY 2007 = $78,784.00 |
| History of Investigator: |
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| Recipient Sponsored Research Office: |
2425 CAMPUS RD SINCLAIR RM 1 HONOLULU HI US 96822-2247 (808)956-7800 |
| Sponsor Congressional District: |
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| Primary Place of Performance: |
2425 CAMPUS RD SINCLAIR RM 1 HONOLULU HI US 96822-2247 |
| Primary Place of
Performance Congressional District: |
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| Unique Entity Identifier (UEI): |
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| Parent UEI: |
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| NSF Program(s): | Marine Geology and Geophysics |
| Primary Program Source: |
app-0106 app-0107 |
| Program Reference Code(s): |
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| Program Element Code(s): |
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| Award Agency Code: | 4900 |
| Fund Agency Code: | 4900 |
| Assistance Listing Number(s): | 47.050 |
ABSTRACT
Abstract
Wessel
0526496
The hotspot hypothesis postulates that mantle plumes cause surface volcanism to form linear trains as overlying lithospheric plates move relative to the stationary or slowly moving plumes. Given geometry and ages from several trails one can construct absolute plate motions (APM) that provide valuable information about past and present tectonism, paleogeography, and volcanism. The authors have developed a hybrid technique that overcomes the limitations of absolute plate motion and relative plate motion approaches. The new technique can be derived from either stationary or moving plumes. During this project the authors will further develop their APM modeling to address a broader range of questions, in particular hotspot motion. High-resolution APM models will be determined for the key plates Pacific, Africa, and Australia, both with and without hotspot motion. This will allow an assessment of the uniqueness of the APM models and to quantify plume drift within a group as well as between groups.
PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH
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