Talc-rich hydrothermal rocks from the St. Paul and Conrad fracture zones in the Atlantic Ocean

European Journal of Mineralogy

Volumn 16, Issue 1, 2004, Pages 73-83

  D'Orazio, Massimo ^a,b   Boschi, Chiara ^c   Brunelli, Daniele ^d  

^a UNIVERSITY OF PISA   (Italy)

^b CNR   (Italy)

^c ETH ZURICH   (Switzerland)

^d ISMAR CNR   (Italy)

Author keywords

Atlantic Ocean; Conrad fracture zone; Hydrothermal minerals; St. Paul fracture zone; Talc

Indexed keywords

BINARY ALLOYS; CLAY ALTERATION; ECONOMIC GEOLOGY; FRACTURE; HOT SPRINGS; IRON ALLOYS; MANGANESE ALLOYS; RARE EARTHS; TALC; TRACE ELEMENTS;

ATLANTIC OCEAN; FRACTURE ZONE; HYDROTHERMAL ACTIVITY; HYDROTHERMAL ALTERATIONS; HYDROTHERMAL FLUIDS; HYDROTHERMAL MINERALS; HYDROTHERMAL SYSTEM; SERPENTINIZED PERIDOTITES;

ROCKS;

BRECCIA; GABBRO; HYDROTHERMAL ALTERATION; HYDROTHERMAL VENT; PROTOLITH; TALC;

ATLANTIC OCEAN; MID-ATLANTIC RIDGE;

EID: 1542505702     PISSN: 09351221     EISSN: None     Source Type: Journal    
DOI: 10.1127/0935-1221/2004/0016-0073     Document Type: Article

References (42)

1. Alt, J.C. & Shanks, W.C. (1998): Sulfur in serpentinized oceanic peridotite: serpentinization processes and microbial sulfate reduction. J. Geophys. Res., 103, B5, 9917-9929.
2. Bau, M. (1991): Rare-earth element mobility during hydrothermal and metamorphic fluid-rock interaction and the significance of the oxidation state of europium. Chemical Geol., 93, 219-230.
3. Beard, J.S. & Hopkinson, L. (2000): A fossil, serpentinization-related hydrothermal vent, Ocean Drilling Program Leg 173, Site 1068 (Iberia Abyssal Plain): some aspects of mineral and fluid chemistry. J. Geophys. Res., 105, B7, 16527-16539.
4. Bence, A.E. & Albee, A.L. (1968): Empirical correction factors for the electron microanalysis of silicates and oxides. J. Geol., 76, 382-403.
5. Bonatti, E. & Joensuu, O. (1968): Palygorskite from Atlantic deep sea sediments. Am. Mineral., 53, 975-983.
6. Bonatti, E., Craig Simmons, E., Breger, D., Hamlyn, P.R., Lawrence, J. (1983): Ultramafic rock/seawater interaction in the oceanic crust: Mg-silicate (sepiolite) deposit from the Indian Ocean floor. Earth. Planet. Sci. Lett., 62, 229-238.
7. Bowers, T.S., Jackson, K.J., Helgeson, H.C. (1984): Equilibrium activity diagrams for coexisting minerals and aqueous solutions at pressures and temperatures to 5 kb and 600°C. Springer Verlag, Berlin, 397 p.
8. Bowles, F.A., Angino, E.E., Hosterman, J.W, Galle, O.K. (1971): Precipitation of deep-sea palygorskite and sepiolite. Earth Planet. Sci. Lett., 11, 324-332.
9. Brunelli, D., Cipriani, A., Ottolini, L., Bonatti, E., Peyve, A. (2003): Mantle peridotites from the Bouvet triple Junction Region, South Atlantic. Terra Nova, 15, 194-203.
10. Buatier, M.D., Früh-Green, G.L., Karpoff, A.M. (1995): Mechanism of Mg-phyllosilicate formation in a hydrothermal system at a sedimented ridge (Mid Valley, Juan de Fuca). Contrib. Mineral. Petrol., 122, 134-151.
11. Cande, S.C., LaBreque, J.L., Haxby, W.F. (1988): Plate kinematics of the South Atlantic: Chron 34 to present. J. Geophys. Res., 93, 13479-13492.
12. Carrara, G. and Scientific Party (1997): The Bouvet Triple Junction Region (south Atlantic): a report on two geological expeditions. Giornale di Geologia, 59, 19-33.
13. Cosens Gallinatti, B. (1984): Initiation and collapse of active circulation in a hydrothermal system at the Mid-Atlantic Ridge, 23°N. J. Geophys. Res., 89, B5, 3275-3289.
14. Davis, E.E., Goodfellow, W.D., Bornhold, B.D., Adshead, J., Blasie, B., Villinger, H., Le Cheminant, G.M. (1987): Massive sulfides in a sedimented rift valley, northern Juan da Fuca Ridge. Earth Planet. Sci. Lett., 82, 49-61.
15. Ding, K. & Seyfried Jr., W.E. (1992): Determination of Fe-Cl complexing in the low pressure supercritical region (NaCl fluid): iron solubility constraints on pH of subseafloor hydrothermal fluids. Geochim. Cosmochim. Acta, 56, 3681-3692.
16. Douville , F., Bienvenu, P, Charlou, J.L., Donval, J.P., Fouquet, Y., Appriou, P., Gamo, T. (1999): Yttrium and rare earth elements in fluids from various deep-seated hydrothermal systems. Geochim. Cosmochim. Acta, 63, 627-643.
17. Douville, E., Charlou, J.L., Oelkers, E.H., Bienvenu, P, Jove Colon, C.F., Donval, J.P., Fouquet, Y., Prieur, D., Appriou, P. (2002): The Rainbow vent fluids (36°14'N, MAR): the influence of ultramafic rocks and phase separation on trace metal content in Mid-Atlantic Ridge hydrothermal fluids. Chemical Geol., 184, 37-48.
18. Elderfield, H. & Greaves, M.J. (1982): The rare earth elements in sea water. Nature, 296, 214-219.
19. El-Sharkawy, M.F. (2000): Tale mineralization of ultramafic affinity in the Eastern Desert of Egypt. Mineralium Deposita, 35, 346-363.
20. Elton, N.J., Hooper, J.J., Holyer, V.A.D. (1997): An occurrence of stevensite and kerolite in the Devonian Crousa gabbro at Dean Quarry, The Lizard, Cornwall, England. Clay Minerals, 32, 241-252.
21. Evans, B.W. & Guggenheim, S. (1988): Talc, pyrophyllite, and related minerals. in "Hydrous phyllosilicates (exclusive of micas ", S.W. Bailey, ed. Reviews in Mineralogy, 19, 225-280.
22. Farmer, V.C. (1974): The infrared spectra of minerals. Mineralogical Society Vol. 4, Mineralogical Society, London, 539 p.
23. Hannington, M., Herzig, P, Stoffers, P, Scholten, J., Botz, R., Garbe-Schönberg, D., Jonasson, I.R., Roest, W., Shipboard Scientific Party (2001): First observation of high-temperature submarine hydrothermal vents and massive anhydrite deposits off the north coast of Iceland. Marine Geol., 177, 199-220.
24. Hekinian, R., Juteau, T., Grácia, E., Sichler, B., Sichel, S., Udintsev, G., Apprioual, R., Ligi, M. (2000): Submersible observations of Equatorial Atlantic mantle: the St. Paul Fracture Zone region. Marine Geophys. Res., 21, 529-560.
25. Holland, H.D. (1978): "The chemistry of the Atmosphere and Oceans". John Wiley & Sons, New York, 351 p.
26. Janecky, D.R. & Seyfried, W.E. Jr. (1986): Hydrothermal serpentinization of peridotite within the oceanic crust: experimental investigations of mineralogy and major element chemistry. Geochim. Cosmochim. Acta, 50, 1357-1378.
27. Kelley, D.S., Karson, J.A., Blackman, D.K., Früh-Green, G.L., Butterfield, D.A., Lilley, M.D., Olson, E.J., Schrenk, M.O., Roe, K.K., Lebon, G.T., Rivizzigno, P. & the AT3-60 Shipboard Party (2001 : An off-axis Hydrothermal vent field near the Mid-Atlantic Ridge at 30°N, Nature, 412, 145-149.
28. Klinkhammer, G.P., Elderfield, H., Edmond, J.M., Mitra, A. (1994): Geochemical implications of rare earth element patterns in hydrothermal fluids from mid-ocean ridges. Geochim. Cosmochim. Acta, 58, 5105-5113.
29. Koski, R.A., Lonsdale, P.F., Shanks, W.C., Berndt, M.E., Howe, S.S. (1985): Mineralogy and geochemistry of a sediment-hosted hydrothermal sulfide deposit from the Southern Trough of Guaymas Basin, Gulf of California. J. Geophys. Res., 90, B8, 6695-6707.
30. Ligi, M., Bonatti, E., Bortoluzzi, G., Carrara, G., Fabretti, R, Gilod, D., Peyve, A.A., Skolotnev, S., Turko, N. (1999): Bouvet triple junction in the South Atlantic; geology and evolution. J. Geophys. Res., 104, B12, 29365-29385.
31. Lonsdale, P.F., Bischoff, J.L., Burns, V.M., Kastner, M., Sweeney, R.E. (1980): A high-temperature hydrothermal deposit on the seabed at a Gulf of California spreading center. Earth Planet. Sci. Lett., 49, 8-20.
32. MacLeod, C.J. Escartin, J., Banerji, D., Banks, G.J., Gleeson, M., Irving, D.H.B., Lilly, R.M., McCaig, A.M., Niu, Y., Allerton, S., Smith, D.K. (2002): Direct geological evidence for oceanic detachment faulting: The Mid-Atlantic Ridge, 15°45'N. Geology, 30, 879-882.
33. McCollom, T.M. (2000): Geochemical constraints on primary productivity in submarine hydrothermal vent plumes. Deep-sea Research, I 47, 85-101.
34. McDonough, W.F. & Sun, S.S. (1995): The composition of the Earth. Chemical Geol., 120, 223-253.
35. Mills, R.A., Wells, D.M., Roberts, S. (2001): Genesis of ferromanganese crusts from the TAG hydrothermal fluid. Chemical Geol., 176, 283-293.
36. Peyve, A., Bonatti, E. and Scientific Party (2000): New data on some major MAR structures: preliminary results of R/V Akademik Nikolaj Strakhov 22 cruise. InterRidge News, 9, 28.
37. Post, J.L. & Borer, L. (2000): High-resolution infrared spectra, physical properties, and micromorphology of serpentines. Appl. Clay Sci., 16, 73-85.
38. Sichler, B. & Hekinian, R. (2002): Three-dimensional inversion of marine magnetic anomalies on the equatorial Atlantic Ridge (St. Paul Fracture Zone): Delayed magnetization in a magmatically starved spreading center ? J. Geophys. Res., 107, B12,.
39. Sverjensky, D.A. (1984): Europium redox equilibria in aqueous solution. Earth Planet. Sci. Lett., 67, 70-78.
40. Taylor, B., Huchon, P., Klaus A. and the Shipboard Scientific Party (1999): Leg 180 summary: active continental extension in the Western Woodlark Basin, Papua New Guinea. Proceedings of the Ocean Drilling Program, Initial reports, 180, 13-14.
41. Turner, F.J. (1948): Mineralogical and structural evolution of the metamorphic rocks. Geol. Soc. Am. Mem., 30, 342 p.
42. Wetzel, L.R. & Shock, E.L. (2000): Distinguishing ultramafic from basalt-hosted submarine hydrothermal systems by comparing calculated vent fluid compositions. J. Geophys. Res., 105, B4, 8319-8340.