Cooling of the lower oceanic crust

Geology

Volumn 33, Issue 5, 2005, Pages 357-360

  Maclennan, John ^a,b   Hulme, Tom ^a   Singh, Satish C ^a  

^a INSTITUT DE PHYSIQUE DU GLOBE DE PARIS   (France)

^b UNIVERSITY OF EDINBURGH   (United Kingdom)

Author keywords

East Pacific Rise; Hydrothermal; Mid ocean ridges; Oceanic crust; Oman ophiolite

Indexed keywords

MID-OCEANIC RIDGES; OCEANIC CRUSTS; OPHIOLITE GABBROS; THERMAL FLUXES;

BATHYMETRY; COOLING; HEAT CONDUCTION; HYDROTHERMAL SYNTHESIS; OLIVINE; SOILS;

OCEAN STRUCTURES;

COOLING; MID-OCEAN RIDGE; OCEANIC CRUST; SPREADING CENTER;

EID: 18944363436     PISSN: 00917613     EISSN: None     Source Type: Journal    
DOI: 10.1130/G21207.1     Document Type: Article

References (26)

1. Bickle, M.J., and Teagle, D.A.H., 1992, Strontium alteration in the Troodos Ophiolite-Implications for fluid fluxes and geochemical transport in midocean ridge hydrothermal systems: Earth and Planetary Science Letters, v. 113, p. 219-237, doi: 10.1016/0012821X(92)90221-G.
2. Boudier, F., Nicolas, A., and Ildefonse, B., 1996, Magma chambers in the Oman ophiolite: Fed from the top and the bottom: Earth and Planetary Science Letters, v. 144, p. 239-250, doi: 10.1016/0012-821X(96)00167-7.
3. Cherkaoui, A.S.M., Wilcock, W.S.D., Dunn, R.A., and Toomey, D.R., 2003, A numerical model of hydrothermal cooling and crustal accretion at a fast spreading mid-ocean ridge: Geochemical Geophysics Geosystems, v. 4, no. 9, 8616, doi: 10.1029/2001GC000215.
4. Cochran, J.R., and Buck, W.R., 2001, Near-axis subsidence rates, hydrothermal circulation, and thermal structure of mid-ocean ridge crests: Journal of Geophysical Research, v. 106, p. 19,233-19,258, doi: 10.1029/2001JB000379.
5. Coogan, L.A., Jenkin, G.R.T., and Wilson, R.N., 2002, Constraining the cooling rate of the lower oceanic crust: A new approach applied to the Oman ophiolite: Earth and Planetary Science Letters, v. 199, p. 127-146, doi: 10.1016/S0012-821X(02)00554-X.
6. Dodson, M.H., 1973, Closure temperature in cooling geochronological and petrological systems: Contributions to Mineralogy and Petrology, v. 40, p. 259-274, doi: 10.1007/BF00373790.
7. Dunn, R.A., Toomey, D.R., and Solomon, S.C., 2000, Three-dimensional seismic structure and physical properties of the crust and shallow mantle beneath the East Pacific Rise at 9°30′N: Journal of Geophysical Research, v. 105, p. 23,537-23,555, doi: 10.1029/ 2000JB900210.
8. 18O buffering of the ocean by deep (>5 km) seawater hydrothermal circulation at midocean ridges: Journal of Geophysical Research, v. 86, p. 2737-2755.
9. 42Ca Tracerdiffusion in Olivin in Abhängigkeit von der Temperatur, der Sauerstoffpartialdruck und der chemischen Zusammensetzung [Ph.D. thesis]: Gießen, Germany, Fachbereich Chemie der Justus Liebig Universität Gießen, 124 p.
10. Henstock, T.J., Woods, A.W., and White, R.S., 1993, The accretion of oceanic crust by episodic sill intrusion: Journal of Geophysical Research, v. 98, p. 4143-4161.
11. Jurewicz, A.J.G., and Watson, E.B., 1988, Cations in olivine, part 2: Diffusion in olivine xenocrysts, with applications to petrology and mineral physics: Contributions to Mineralogy and Petrology, v. 99, p. 186-201, doi: 10.1007/BF00371460.
12. Jupp, T.E., and Schultz, A., 2004, Physical balances in subseafloor hydrothermal convection cells: Journal of Geophysical Research, v. 109, B05101, doi: 10.1029/2003JB002697.
13. Kelemen, P.B., Koga, K., and Shimizu, N., 1997, Geochemistry of gabbro sills in the crustmantle transition zone of the Oman ophiolite: Implications for the origin of the oceanic lower crust: Earth and Planetary Science Letters, v. 146, p. 475-488, doi: 10.1016/ S0012821X(96)00235-X.
14. Köhler, G.P., and Brey, T., 1990, Calcium exchange between olivine and clinopyroxene calibrated as a geothermobarometer for natural peridotites from 2 to 60 kb with applications: Geochimica et Cosmochimica Acta, v. 54, p. 2375-2388, doi: 10.1016/ 0016-7037(90)90226-B.
15. Maclennan, J., Hulme, T., and Singh, S.C., 2004, Thermal models of oceanic crustal accretion: Linking geophysical, geological and petrological observations: Geochemistry Geophysics Geosystems, v. 5, Q021F25, doi: 10.1029/2003GCO00605.
16. MacLeod, C.J., and Yaouancq, G., 2000, A fossil melt lens in the Oman ophiolite: Implications for magma chamber processes at fast spreading ridges: Earth and Planetary Science Letters, v. 176, p. 357-373, doi: 10.1016/S0012821X(00)00020-0.
17. Morton, J.L., and Sleep, N.H., 1985, A mid-ocean ridge thermal model: Constraints on the volume of axial hydrothermal heat flux: Journal of Geophysical Research, v. 90, p. 1345-1353.
18. Mottl, M.J., 2003, Partitioning of energy and mass fluxes between mid-ocean ridge axes and flanks at high and low temperature, in Halbach, P.E., et al., eds., Energy and mass transfer in marine hydrothermal systems: Berlin, Germany, Dahlem University Press, p. 271-286.
19. Pelayo, A.M., Stein, S., and Stein, C.A., 1994, Estimation of oceanic hydrothermal heat flux from heat flow and depths of midocean ridge seismicity and magma chambers: Geophysical Research Letters, v. 21, p. 713-716, doi: 10.1029/94GL00395.
20. Phipps Morgan, J., and Chen, Y., 1993, The genesis of oceanic crust, magma injection, hydrothermal circulation and crustal flow: Journal of Geophysical Research, v. 98, p. 6283-6297.
21. Quick, J.F., and Denlinger, R.P., 1993, Ductile deformation and the origin of layered gabbro in ophiolites: Journal of Geophysical Research, v. 98, p. 14,015-14,027.
22. Schultz, A., and Elderfield, H., 1997, Controls on the physics and chemistry of seafloor hydrothermal circulation: Royal Society of London Philosophical Transactions, ser. A, v. 355, p. 387-425.
23. Shah, A.K., and Buck, W.R., 2001, Causes for axial high topography at mid-ocean ridges and the role of crustal thermal structure: Journal of Geophysical Research, v. 106, p. 30,865-30,879, doi: 10.1029/ 2000JB000079.
24. Singh, S.C., Kent, G.M., Collier, J.S., Harding, A.J., and Orcutt, J.A., 1998, Melt to mush variations in crustal magma properties along the ridge crest at the southern East Pacific Rise: Nature, v. 394, p. 874-878, doi: 10.1038/29740.
25. 2 between 800°C and 1500°C: Eos (Transactions, American Geophysical Union), v. 79, p. 5370
26. Wilcock, W.S.D., Toomey, D.R., Purdy, G.M., and Solomon, S.C., 1993, The renavigation of Sea Beam bathymetric data between 9° N and 10° N on the East Pacific Rise: Marine Geophysical Researches, v. 15, p. 1-12.