Hydrothermal plumes along segments of contrasting magmatic influence, 15°20′-18°30′N, East Pacific Rise: Influence of axial faulting

Geochemistry, Geophysics, Geosystems

Volumn 2, Issue 9, 2001, Pages

  Baker, Edward T ^a   Cormier, Marie Helene ^b   Langmuir, Charles H ^b   Zavala, Karina ^c  

^a NOAA EARTH SYSTEM RESEARCH LABORATORY   (United States)

^b Department of Earth and Environmental Sciences   (United States)

^c JOHNS HOPKINS UNIVERSITY   (United States)

Author keywords

East Pacific Rise; hydrothermal plumes; magmatic budget; tectonics

Indexed keywords

BUDGET CONTROL; FAULTING; TECTONICS;

EAST PACIFIC RISE; HYDROTHERMAL ACTIVITY; HYDROTHERMAL ENVIRONMENT; HYDROTHERMAL PLUME; LOCAL PERMEABILITIES; MAGMATIC BUDGET; POSITIVE CORRELATIONS; WATER-COLUMN SIGNALS;

TRANSFORM FAULTS;

EID: 84952886102     PISSN: None     EISSN: 15252027     Source Type: Journal    
DOI: 10.1029/2000GC000165     Document Type: Article

References (34)

1. Auzende, J.-M., et al., (1996), Recent tectonic, magmatic, and hydrothermal activity on the East Pacific Rise between 17°S and 19°S: Submersible observations, J. Geophys. Res., 101, 17995-18010.
2. Baker, E. T., (1996), Geological indexes of hydrothermal venting, J. Geophys. Res., 101, 13741-13753.
3. Baker, E. T., and, H. B. Milburn, (1997), MAPR: A new instrument for hydrothermal plume mapping, RIDGE Events, 8, 23-25.
4. Baker, E. T., C. R. German, and, H. Elderfield, (1995), Hydrothermal plumes over spreading-center axes: Global distributions and geological inferences, in Seafloor Hydrothermal Systems: Physical, Chemical, Biological, and Geological Interactions, Geophys. Monogr. Ser., vol. 91, edited by, S. Humphris, R. Zierenberg, L. S. Mullineaux, and, R. Thomson, pp. 47-71, AGU, Washington D.C.
5. Baker, E. T., Y. J. Chen, and, J. Phipps Morgan, (1996), The relationship between near-axis hydrothermal cooling and the spreading rate of midocean ridges, Earth Planet. Sci. Lett., 142, 137-145.
6. Baker, E. T., S. L. Walker, R. N. Hey, and, G. J. Massoth, (1998), Distribution of hydrothermal venting along the Earth's fastest spreading center: EPR 27°-32°S, Eos Trans. AGU, 79 (45), Fall Meet. Suppl., F831.
7. Baker, E. T., D. A. Tennant, R. A. Feely, G. T. Lebon, and, S. L. Walker, (2001), Field and laboratory studies on the effect of particle size and composition on optical backscattering measurements in hydrothermal plumes, Deep Sea Res., 48, 593-604.
8. Carbotte, S., C. Mutter, J. Mutter, and, G. Ponce-Correa, (1998), Influence of magma supply and spreading rate on crustal magma bodies and emplacement of the extrusive layer: Insights from the East Pacific Rise at lat 16°N, Geology, 26, 455-458.
9. Chen, Y. J., (2000), Dependence of crustal accretion and ridge axis topography on spreading rate, mantle temperature, and hydrothermal cooling, in Ophiolites and Oceanic Crust: New Insights from Field Studies and the Ocean Drilling Program, Spec. Pap. 349, edited by, Y. Dilek, et al., pp. 161-179, Geol. Soc. of Am., Boulder, Colo.
10. Delaney, J. R., V. Robigou, R. M. McDuff, and, M. K. Tivey, (1992), Geology of a vigorous hydrothermal system on the Endeavour segment, Juan de Fuca Ridge, J. Geophys. Res., 97, 19663-19682.
11. Embley, R. W., W. W. Chadwick, M. R. Perfit, M. C. Smith, and, J. R. Delaney, (2000), Recent eruptions on the CoAxial Segment of the Juan de Fuca Ridge: Implications for mid-ocean ridge accretion processes, J. Geophys. Res., 105, 16501-16526.
12. Fornari, D. J., and, R. W. Embley, (1995), Tectonic and volcanic controls on hydrothermal processes at the mid-ocean ridge: An overview based on near-bottom and submersible studies, in Seafloor Hydrothermal Systems: Physical, Chemical, Biological, and Geological Interactions, Geophys. Monogr. Ser., vol. 91, edited by, S. Humphris, R. Zierenberg, L. S. Mullineaux, and, R. Thomson, pp. 1-46, AGU, Washington D.C.
13. German, C. R., and, L. M. Parson, (1998), Distributions of hydrothermal activity along the Mid-Atlantic Ridge: Interplay of magmatic and tectonic controls, Earth Planet. Sci. Lett., 160, 327-341.
14. Gràcia, E., J. L. Charlou, J. Radford-Knoery, and, L. M. Parson, (2000), Non-transform offsets along the Mid-Atlantic Ridge south of the Azores (38°N-34°N): Ultramafic exposures and hosting of hydrothermal vents, Earth Planet. Sci. Lett., 177, 89-103.
15. Haymon, R. M., D. J. Fornari, M. H. Edwards, S. Carbotte, D. Wright, and, K. C. Macdonald, (1991), Hydrothermal vent distribution along the East Pacific Rise crest (9°09′-54′N) and its relationship to magmatic and tectonic processes on fast-spreading mid-ocean ridges, Earth Planet. Sci. Lett., 104, 513-534.
16. Hey, R. N., and, P. R. Vogt, (1977), Spreading center jumps and sub-axial asthenosphere flow near the Galapagos hotspot, Tectonophysics, 47, 41-52.
17. Hooft, E. E. E., R. S. Detrick, and, G. M. Kent, (1997), Seismic structure and indicators of magma budget along the southern East Pacific Rise, J. Geophys. Res., 102, 27319-27340.
18. Johnson, H. P., H. Hutnak, R. P. Dziak, C. G. Fox, I. Urcuyo, J. P. Cowen, J. Nabelek, and, C. Fisher, (2000), Earthquake-induced changes in a hydrothermal system at the Endeavour Segment; Juan de Fuca Ridge, Nature, 407, 174-177.
19. Kappel, E. S., and, W. B. F. Ryan, (1986), Volcanic episodicity and a non-steady state rift valley along northeast Pacific spreading centers: Evidence from Sea MARC I, J. Geophys. Res., 91, 13925-13940.
20. Langmuir, C., J. Bender, K. Donnelly, S. Shirey, M.-H. Cormier, and, E. Baker, (1998), Petrology of the East Pacific Rise north of the Orozco transform fault, Eos Trans. AGU, 79 (45), Fall Meet. Suppl., F832.
21. Lichtman, G. S., and, J.-P. Eissen, (1983), Time and space constraints on the evolution of medium-rate spreading centers, Geology, 11, 592-595.
22. Lister, C., (1974), On the penetration of water into hot rock, Geophys. J. R. Astron. Soc., 39, 465-509.
23. Lupton, J. E., J. R. Delaney, H. P. Johnson, and, M. K. Tivey, (1985), Entrainment and vertical transport of deep-ocean water by buoyant hydrothermal plumes, Nature, 316, 621-623.
24. Macdonald, K. C., et al., (1992), The East Pacific Rise and its flanks 8°-18°N: History of segmentation, propagation and spreading direction based on SeaMARC II and Sea Beam studies, Mar. Geophys. Res., 14, 299-344.
25. Martínez, F., R. N. Hey, and, P. D. Johnson, (1997), The East Ridge system 28.5°-32°S East Pacific Rise: Implications for overlapping spreading center development, Earth Planet. Sci. Lett., 151, 13-31.
26. Morton, B. R., G. I. Taylor, and, J. S. Turner, (1956), Turbulent gravitational convection from maintained and instantaneous sources, Proc. R. Soc. London, Ser. A, 234, 1-23.
27. Parson, L., E. Gràcia, C. Coller, C. German, and, D. Needham, (2000), Second-order segmentation: The relationship between volcanism and tectonism at the MAR, 38°N-35°40′N, Earth Planet. Sci. Lett., 178, 231-251.
28. Perfit, M. R., and, W. W. Chadwick Jr., (1998), Magmatism at mid-ocean ridges: Constraints from volcanological and geochemical investigations, in Faulting and Magmatism at Mid-Ocean Ridges, Geophys. Monogr. Ser., vol. 106, edited by, W. R. Buck, et. al, pp. 59-116, AGU, Washington D.C.
29. Scheirer, D. S., and, K. C. Macdonald, (1993), The variation in cross-sectional area of the axial ridge along the East Pacific Rise: Evidence for the magmatic budget of a fast-spreading center, J. Geophys. Res., 98, 7871-7885.
30. Scheirer, D. S., E. T. Baker, and, K. T. M. Johnson, (1998), Detection of hydrothermal plumes along the Southeast Indian Ridge near the Amsterdam-St. Paul hotspot, Geophys. Res. Lett., 25, 97-100.
31. Small, C., (1995), Observations of ridge-hotspot interactions in the southern ocean, J. Geophys. Res., 100, 17931-17946.
32. Weiland, C. M., and, K. C. Macdonald, (1996), Geophysical study of the East Pacific Rise 15°N-17°N: An unusually robust segment, J. Geophys. Res., 101, 20257-20273.
33. Wilcock, W. S. D., and, J. R. Delaney, (1996), Mid-ocean ridge sulfide deposits: Evidence for heat extraction from magma chambers or cracking fronts? Earth Planet. Sci. Lett., 145, 49-64.
34. Wright, D. J., R. M. Haymon, and, D. J. Fornari, (1995), Crustal fissuring and its relationship to magmatic and hydrothermal processes on the East Pacific Rise crest (9°12′ to 54′N), J. Geophys. Res., 100, 6097-6120.