MARGINS Research Activities
MARGINS-EarthScope Cascadia Amphibious Facility Planning Group report - July 2009
North Lau/Tonga Rapid Response - May 2009
MARGINS Rapid Event Response Policy (68 KB PDF)
Focus Area Maps
(PDF Files, Best viewed with Adobe Reader)
These maps provide geographical overviews of many of the research activities in MARGINS
focus areas, and complement the research summaries (nuggets) below. Additional content
may be sent to the MARGINS Office for inclusion.
2008 Decadal Review Nuggets Available Here!
The following "Nuggets" are research summaries provided by MARGINS and
MARGINS-related funded researchers, reporting research to date. A copy of the
original
NSF Award Notification may also be referenced.
2004 Mid-Term Review Nuggets
Original Award Notification |
2004 Mid-Term Review Nugget Title |
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3-D Seismic Investigation of the Sediment-to-Rock Transition and its Relationship to Nankai Subduction Seismicity: U.S.-Japan Collaborative Program - Bangs, Shipley, Moore and Moore |
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"High-Resolution Multichannel Seismic Imaging of Active Tectonics:
NW Gulf of California" - Stock, Steckler |
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"An Analysis of Upper Mantle Heterogeneity and Anisotropy in Western North America Using Recordings from Broadband Permanent and Temporary (PASSCAL) Seismic Stations" - Gaherty |
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"Volatiles in the Central American Volcanic Arc: Constraints on Subduction Processes from I-129, C, N, and Noble Gas Determinations" - Fehn, Poreda, Snyder |
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"Structure of the Nicaragua/Costa Rica Subduction Zone: A Framework for the Subduction Factory and Seismogenic Zone Initiatives. US/German/Nicaraguan Collaborative Project" - McIntosh, Silver, GEOMAR, INETER |
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"Imaging the Seismogenic Zone with Geodesy and Seismology: Two Land Ocean Transects Across Costa Rica and the Middle America Trench" - Dixon, Schwartz, Dorman |
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"Lithium Isotope Compositions of Volcanic Arc Lavas: a Study of Processes and Fluxes in Subduction Zones" - Chan (Updated 10/2005) |
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"Benthic Flux Meter Study Across the Costa Rica Margin" - Brown |
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"Collaborative Research: Imaging the Seismogenic Zone with Geodesy and Seismology: Two Land Ocean Transects Across Costa Rica and the Middle America Trench" - Schwartz, Dixon, Dorman, Protti, Flueh |
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"Strike-Parallel Variations in Clay Mineralogy and their Impact on the Cascadia Seismogenic Zone" - Underwood, Spinelli
*New* Updated web site to include XRD data from
Cascadia Basin, plus figures |
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"U.S.-Japan Collaborative Research: Multi-Scale Seismic Imaging of the Mariana Subduction Factory " - Taylor, Moore, Fryer, Goodliffe, Klemperer, Weins, Hildebrand, OBSIP |
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OCE 00-01897 |
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OCE 00-01821
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"Collaborative Research: Volatiles (H20 and CO2) in Mariana and Izu Arc Magmas " - Grove, Plank, Stolper |
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"Collaborative Research: Magma Generation in the Early Mariana Arc System Revisited" - Hanan, Reagan, Hickey-Vargas |
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"Collaborative Research: Mantle Inputs to the Subduction Factory: Assessing Scales of Spatial Variability along and across the IBM Convergent Margin" - Stern, Bloomer, Clift
*New* "Supplement: Participation in JAMSTEC R/V Natsushima cruise NT0517" |
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"Laboratory Frictional Studies Of Fault Gouge: A Test Of Hypotheses For Controls on the Updip Limit of the Seismogenic Zone Along Subduction Thrusts" - Marone, Saffer |
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"The Thermal State Of 20-25 Ma Lithosphere Subducting at the Costa Rica Margin, Implications For Hydrogeology, Fluxes, and the Seismogenic Zone" - Stein, Fisher, Silver, Wheat, Harris, Wang |
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"Collaborative Research: Magma Generation in the Early Mariana Arc System Revisited" - Reagan, Hanan, Hicky-Vargas |
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"The Flux of Volatiles from Active MARGINS: the Central American Volcanic Arc" - Fischer |
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"MARGINS: Laboratory Experiments on 3-D Circulation and Temperature Distribution in Subduction Zones" - Kincaid |
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"Margins: Workshop on Modeling of Subduction Zone Dynamics and Thermal Structure" - van Keken |
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"Margins: Community Sedimentary Model Science Plan for Sedimentology and Stratigraphy" - Syvitski, Paola, Slingerland |
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“NARS-Baja: A Five-Year Deployment of Broadband Seismic Instruments Around the Gulf of California” - Clayton |
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“MARGINS: Collaborative Research: Seismic and Geologic Study of Gulf of California Rifting and Magmatism” - Lizarralde, Axen, Holbrook, Kent, Umhoefer, Fletcher, Gonzalez-Fernandez, Harding |
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"MARGINS: Oxygen Isotope Studies of the Central American Arc" - Eiler |
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"Convection in the Mantle Wedge Above Subduction Zones" - Hirth, Kelemen, Billen |
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"Collaborative Research: Late Cenozoic Detachment Faulting in the Western Salton Trough: Strain Partitioning in an Oblique Active-Margin Rift" - Dorsey, Axen Janecke, Housen |
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"Processes Controlling Depositional Signals of Environmental Change in the Fly River Sediment Dispersal System: Mechanisms and Rates of Shelf Clinoform Development" - Nittrouer, Ogston, Sternberg |
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"Determination of Volcanic Flux Rates and Application to Understanding Regional Geochemical Trends and Element Mass Balances in Central America" - Carr, Feigenson, Swisher |
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"Collaborative Research: Processes Controlling Depositional Signals of Environmental Change in the Fly River Sediment Dispersal system: Rates and Mechanisms of Floodplain Deposition" - Dietrich, Parker |
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"Volcanic Origins ILluminated in Costa Rica And Nicaragua (VOLCAN): Imaging the Mantle in the Central American Subduction Factory" - Abers, Plank, Fischer, Protti, Gonzalez, Strauch |
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"Collaborative Research: Frictional and Mineralogical Properties of Sediments Entering Subduction Zones: Controls on Stress State and Earthquakes" - Brown, Underwood |
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"Li Isotopic Investigations of the Crust And Mantle" - Rudnick, McDonough, Tomascak |
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"Global and Local Controls on Depositional Cyclicity: Canterbury Basin, New Zealand" - Fulthorpe |
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"Tracing Volatiles Across Volcanic Arcs: 129I, He, N2, CH4 and CO2 in Fluids From New Zealand and Japan" - Fehn, Poreda, Snyder |
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"Field Workshop On The Chemistry And Fluxes Of Volatiles From The Central American Volcanic Arc: Nicaragua And Costa Rica" - Fischer |
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"MARGINS Workshop on the Waipaoa Source-to-Sink Focus Area" - Kuehl |
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"Collaborative Research: Seismic Velocity, Compaction, and Pore
Pressure in Underthrust Sediments, Nankai Subduction Zone" - Saffer, Tobin, Moore |
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"Modeling Of Coseismic Pore Pressure Changes In Subduction Zones: Implications For Fluid Flow and Planning For Drilling And Long-Term Observatories" - Screaton, Ge |
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"Collaborative Research: Determining The Volatile And Slab Flux From The Izu-Bonin-Marianas Active Margin Using Geothermal Fluids, Phenocrysts And Melt Inclusions" - Fischer, Hilton, Hauri (Updated 10/2005) |
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"A Numerical Investigation of the Relative Importance of Different Melting Mechanisms at Volcanic Arc" - Conder, Wiens |
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“Collaborative Research: Upper-Mantle Structure Beneath the Gulf of California” - Gaherty, Collins, OBSIP |
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"Kinematics and Dynamics of Active Rifting of the Northern and Central Red Sea" - Reilinger, ArRagehi, Sklar (Updated 10/2005) |
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“Mantle Dynamics of the Izu-Bonin Subduction System” - Fouch |
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"Melt Inclusions in Izu Lavas" - Kent |
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"Collaborative Research: Developing a Quantitative Understanding of Clinoform Formation, Gulf of Papua" - Driscoll, Milliman, Slingerland, Walsh, Babcock |
* = MARGINS-related
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