Are the regional variations in Central American arc lavas due to differing basaltic versus peridotitic slab sources of fluids?

Geology

Volumn 30, Issue 11, 2002, Pages 1035-1038

  Rüpke, Lars H ^a   Morgan, Jason Phipps ^a   Hort, Matthias ^a   Connolly, James A D ^b  

^a GEOMAR HELMHOLTZ CENTRE FOR OCEAN RESEARCH KIEL   (Germany)

^b ETH ZURICH   (Switzerland)

Author keywords

Central America; Fluid release; Geochemistry; Modeling; Serpentinization; Subduction zone

Indexed keywords

LAVAS;

BASALT; FLOW OF FLUIDS; GEOCHEMISTRY; SEDIMENTS; SERPENTINE;

VOLCANOES;

FLUID FLOW; GEOCHEMISTRY; LAVA; MANTLE CONVECTION; SERPENTINIZATION; SUBDUCTION ZONE; TRACE ELEMENT;

CENTRAL AMERICA;

EID: 2242421832     PISSN: 00917613     EISSN: None     Source Type: Journal    
DOI: 10.1130/0091-7613(2002)030<1035:ATRVIC>2.0.CO;2     Document Type: Article

References (25)

1. Barckhausen, U., Ranero, C.R., von Huene, R., Cande, S.C., and Roeser, H.A., 2001, Revised tectonic boundaries in the Cocos plate off Costa Rica: Implications for the segmentation of the convergent margin and for plate tectonic models: Journal of Geophysical Research. v. 106, p. 19 207-19 220.
2. Carr, M.J., Feigenson, M.D., and Bennett, E.A., 1990, Incompatible element and isotopic evidence for the tectonic control of source mixing and melt extraction along the Central American arc: Contributions to Mineralogy and Petrology, v. 105, p. 369-380.
3. Connolly, J.A.D., 1990, Multivariable phase diagrams: An algorithm based on generalized thermodynamics: American Journal of Science, v. 290, p. 666-718.
4. Davies, J.H., and Stevenson, D.J., 1992, Physical model of source region of subduction zone volcanics: Journal of Geophysical Research. v. 97, p. 2037-2070.
5. Herrstrom, E.A., Reagan, M.K., and Morris, J.D., 1995, Variations in lava composition associated with flow of asthenosphere beneath southern Central America: Geology, v. 23, p. 617-620.
6. Ishikawa, T., and Nakamura, E., 1994, Origin of the slab component in arc lavas from across-arc variations of B and Pb isotopes: Nature, v. 370, p. 205-208.
7. 2O: Geology, v. 26, p. 375-378.
8. Kincaid, C., and Sacks, I.S., 1997, Thermal and dynamical evolution of the upper mantle in subduction zones: Journal of Geophysical Research, v. 102, p. 12 295-12 315.
9. Leeman, W.P., Carr, M.J., and Morris, J.D., 1994, Boron geochemistry of the Central American volcanic arc: Constraints on the genesis of subduction-related magmas: Geochimica et Cosmochimica Acta, v. 58, p. 149-168.
10. Morris, J.D., Leeman, W.P., and Tera, F., 1990, The subducted component in island arc lavas: Constraints from Be isotopes and B-Be systematics: Nature, v. 344, p. 31-36.
11. Patino, L.C., Car,r M.J., and Feigenson, M.D., 2000, Local and regional variations in Central American arc lavas controlled by variations in subducted sediment input: Contributions to Mineralogy and Petrology, v. 138, p. 265-283.
12. Plank, T., and Langmuir, H., 1998, The chemical composition of subducting sediment and its consequences for the crust and mantle: Chemical Geology, v. 145, p. 325-394.
13. Protti, M., Güendel, F., and McNally, K., 1995, Correlation between the age of the subducting Cocos plate and the geometry of the Wadati-Benioff zone under Nicaragua and Costa Rica, in Mann, P., ed., Geologic and tectonic development of the Caribbean plate boundary in southern Central America: Geological Society of America Special Paper 295, p. 309-326.
14. Ranero, C.R., Morgan, J.P., McIntosh, K.D., and Reichert, C., 2001, Flexural faulting and mantle serpentinization at the Middle America Trench: Eos (Transactions, America Geophysical Union), v. 82, p. T22D-T22D04.
15. Schmidt, M.W., and Poli, E., 1998, Experimentally based water budgets for dehydrating slabs and consequences for arc magma generation: Earth and Planetary Science Letters, v. 163, p. 361-379.
16. Smolarkiewicz, P.K., 1984, A fully multidimensional positive definite advection transport algorithm with small implicit diffusion: Journal of Computational Physics, v. 54, p. 325-362.
17. Spivack, A.J., and Edmond, J.M., 1987, Boron isotopic exchange between seawater and the oceanic crust: Geochimica et Cosmochimica Acta, v. 51, p. 1033-1043.
18. Staudigel, H., Plank, T., White, B., and Schmincke, H.-U., 1996, Geochemical fluxes during seafloor alteration of the basaltic upper ocean crust: DSDP Sites 417 and 418, in Bebout, G.E., et al., eds., Subduction top to bottom: American Geophysical Union Geophysical Monograph 96, p. 19-38.
19. 2O at high temperatures: Implications for magma genesis in subduction zones: Geophysical Research Letters, v. 15, p. 180-183.
20. Ulmer, P., and Trommsdorf, V., 1995, Serpentine stability to mantle depths and subduction-related magmatism: Science, v. 268, p. 858-861.
21. van Hunen, J., van den Berg, A.P., and Vlaar, N.J., 2000, A thermo-mechanical model of horizontal subduction below an overriding plate: Earth and Planetary Science Letters, v. 182, p. 157-169.
22. von Huene, R., Ranero, C.R., and Weinrebe, W., 2000, Quaternary convergent margin tectonics of Costa Rica, segmentation of the Cocos plate, and Central American volcanism: Tectonics, v. 19, p. 314-334.
23. Walther, C.H.E., Flueh, E.R., Ranero, C.R., and von Huene, R., 2000, Crustal structure across the Pacific margin of Nicaragua: Evidence of ophiolitic basement and a shallow mantle sliver: Geophysical Journal International, v. 141, p. 759-777.
24. You, C.-F., Castillo, P.R., Gieskes, J.M., Chan, L.H., and Spivack, A.J., 1996, Trace element behavior in hydrothermal experiments: Implications for fluid processes at shallow depths in subduction zones: Earth and Planetary Science Letters, v. 140, p. 41-52.
25. Zienkiewicz, O.C., and Taylor, L.R., 2000, The finite element method volume 3: Fluid dynamics: Oxford, Butterworth-Heinemann, 320 p.