Fine-scale heat flow, shallow heat sources, and decoupled circulation systems at two sea-floor hydrothermal sites, Middle Valley, northern Juan de Fuca Ridge

Geology

Volumn 26, Issue 12, 1998, Pages 1115-1118

  Stein, J S ^a   Fisher, A T ^a   Langseth, M ^b   Jin, W ^b   Iturrino, G ^b   Davis, E ^c  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b Doherty Earth Observatory of Columbia University   (United States)

^c Geological Survey of Canada Sidney   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

SEDIMENTS; VENTS;

CIRCULATION SYSTEMS; CONDUCTIVE HEATING; FINE-SCALE; HEAT SOURCES; HYDROTHERMAL ENVIRONMENT; SEA FLOOR; SECONDARY CIRCULATION;

HEAT TRANSFER;

CIRCULATION; HEAT FLOW; HYDROTHERMAL VENT;

PACIFIC OCEAN;

EID: 84879885119     PISSN: 00917613     EISSN: None     Source Type: Journal    
DOI: 10.1130/0091-7613(1998)026<1115:FSHFSH>2.3.CO;2     Document Type: Article

References (19)

1. Ames, D. E., Franklin, J. M., and Hannington, M. D., 1993, Mineralogy and geochemistry of active and inactive chimneys and massive sulfide, Middle Valley, northern Juan de Fuca Ridge: An evolving hydrothermal system: Canadian Mineralogist, v. 31, p. 997-1024.
2. Bredehoeft, J. D., and Papadopoulos, I. S., 1965, Rates of vertical groundwater movement estimated from the Earth's thermal profile: Water Resources Research, v. 1, p. 325-328.
3. Butterfield, D. A., McDuff, R. E., Franklin, J., and Wheat, C. G., 1994, Geochemistry of hydrothermal vent fluids from Middle Valley, Juan de Fuca Ridge, in Mottl, M. J., Davis, E. E., Fisher, A. T., and Slack, J. F., eds., Proceedings of the Ocean Drilling Program, Scientific results, Volume 139: College Station, Texas, Ocean Drilling Program, p. 395-410.
4. Davis, E. E., and Villinger, H., 1992, Tectonic and thermal structure of the Middle Valley sedimented rift, northern Juan de Fuca Ridge, in Davis, E. E., Mottl, M. J., Fisher, A. T., et al., Proceedings of the Ocean Drilling Program, Initial reports, Volume 139: College Station, Texas, Ocean Drilling Program, p. 9-41.
5. Davis, E. E., and Becker, K., 1994, Formation temperature and pressures in a sedimented rift hydrothermal system: 10 months of CORK observations. Holes 857D and 858G, in Mottl, M. J., Davis, E. E., Fisher, A. T., and Slack, J. F., eds., Proceedings of the Ocean Drilling Program, Scientific results, Volume 139: College Station, Texas, Ocean Drilling Program, p. 649-666.
6. Davis, E. E., and Fisher, A. T., 1994, On the nature and consequences of hydrothermal circulation in the Middle Valley sedimented rift: Inferences from geophysical and geochemical observations, Leg 139, in Mottl, M. J., Davis, E. E., Fisher, A. T., and Slack, J. F., eds., Proceedings of the Ocean Drilling Program, Scientific results, Volume 139: College Station, Texas, Ocean Drilling Program, p. 695-717.
7. Davis, E. E., and Becker, K., 1998, Borehole observatories record driving forces for hydrothermal circulation in young oceanic crust: Eos (Transactions, American Geophysical Union), v. 79, p. 165-170.
8. Davis, E. E., Mottl, M. J., Fisher, A. T., et al., 1992, Proceedings of the Ocean Drilling Program, Initial reports, Volume 139: College Station, Texas, Ocean Drilling Program, 1026 p.
9. Fisher, A. T., Fischer, K., Lavoie, D., Langseth, M., and Xu, J., 1994, Geotechnical and hydrological properties of sediments from Middle Valley, northern, Juan de Fuca Ridge, in Mottl, M. J., Davis, E. E., Fisher, A. T., and Slack, J. F., eds., Proceedings of the Ocean Drilling Program, Scientific results, Volume 139: College Station, Texas, Ocean Drilling Program, p. 627-647.
10. Fisher, A., Langseth, M., Baker, P., Ryan, W., Stein, J., Glenn, S., Shultheiss, P., Zierenberg, R., Iturrino, G., Jin, W., Darlington, E., Goodfellow, W., Daniel, D. N., Conly, A., Cross, S., Grove, M., and Cramer, B., 1997, The devil's in the details: Fine-scale hydrogeology of areas of active venting in Middle Valley, northern Juan de Fuca Ridge: Eos (Transactions, American Geophysical Union), v. 78, p. 165-170.
11. Fouquet, Y., Zierenberg, R. A., and Miller, D. J., 1998, Proceedings of the Ocean Drilling Program, Initial reports, Volume 169: College Station, Texas, Ocean Drilling Program, 592 p.
12. Hardee, H. C., and Larson, D. W., 1980, Thermal techniques for characterizing magma body geometries: Geothermics, v. 9, p. 237-249.
13. Johnson, H. P., and Hutnak, M., 1997, Conductive heat loss in recent eruptions at mid-ocean ridges: Geophysical Research Letters, v. 24, p. 3089-3092.
14. Langseth, M., and Becker, K., 1994, Structure of igneous basement at sites 857 and 858 based on Leg 139 downhole logging, in Mottl, M. J., Davis, E. E., Fisher, A. T., and Slack, J. E., eds., Proceedings of the Ocean Drilling Program, Scientific results, Volume 139: College Station, Texas, Ocean Drilling Program, p. 573-583.
15. Langseth, M. G., Schultheiss, P., Fisher, A. T., and Ryan.W. B. F., 1996, Local recharge in an area of active hydrothermal venting: Pore pressure gradient measurements over a sedimented ridge axis in Middle Valley, Juan de Fuca Ridge: Eos (Transactions, American Geophysical Union), v. 77, p. S257.
16. Lowell, R. P., Rona, P. A., and Von Herzen, R. P., 1995, Seafloor hydrothermal systems: Journal of Geophysical Research, v. 100, p. 327-352.
17. Schultheiss, P., 1997, Advances in fluid flow determinations for marine hydrogeology using pore pressure measurements: Eos (Transactions, American Geophysical Union), v. 78, p. 672.
18. Sleep, N. H., and Wolery, T. J., 1978, Egress of hot water from midocean ridge hydrothermal systems: Some thermal constraints: Journal of Geophysical Research, v. 83, p. 5913-5922.
19. Villinger, H., and Davis, E. E., 1987, A new reduction algorithm for marine heat flow measurements: Journal of Geophysical Research, v. 92, p. 12846-12856.