Lawsonite Lu-Hf geochronology: A new geochronometer for subduction zone processes

Geology

Volumn 37, Issue 11, 2009, Pages 987-990

  Mulcahy, Sean R ^a   King, Robert L ^b   Vervoort, Jeffrey D ^b  

^a UNIVERSITY OF NEVADA   (United States)

^b WASHINGTON STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BLUESCHISTS; CALIFORNIA; COMMON CATION; CONVERGENT MARGIN; ECLOGITES; FRANCISCAN COMPLEX; LOW TEMPERATURES; LU-HF GEOCHRONOLOGY; MULTI-COLLECTOR; SUBDUCTION ZONES; THERMOCHRONOLOGY; TIME-SCALES;

CHROMATOGRAPHIC ANALYSIS; GARNETS; GEOCHRONOLOGY; HAFNIUM; INDUCTIVELY COUPLED PLASMA; MASS SPECTROMETRY; METAL REFINING; MINERALS; PHOSPHATE MINERALS;

SILICATE MINERALS;

GEOCHRONOLOGY; LAWSONITE; MESOZOIC; METAMORPHISM; SUBDUCTION ZONE;

EID: 70450196764     PISSN: 00917613     EISSN: 00917613     Source Type: Journal    
DOI: 10.1130/G30292A.1     Document Type: Article

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35. Wakabayashi, J., 1990, Counterclockwise P-T-t paths from amphibolites, Franciscan Complex, California: Relics from the early stages of subduction zone metamorphism: Journal of Geology, v. 98, p. 657-680.
36. 39Ar ages from coherent, high-pressure metamorphic rocks of the Franciscan Complex, California: Revisiting the timing of metamorphism of the world's type subduction complex: International Geology Review, v. 49, p. 873-906, doi: 10.2747/ 0020-6814.49.10.873.
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39. John, T., Scherer, E.E., Haase, K., and Schenk, V., 2004, Trace element fractionation during fluid-induced eclogitization in a subducting slab: Trace element and Lu-Hf-Sm-Nd isotope systematics: Earth and Planetary Science Letters, v. 227, p. 441-456, doi: 10.1016/j.epsl.2004.09.009.
40. King, R.L., Bebout, G.E., Kobayashi, K., Nakamura, E., and van der Klauw, S.N.G.C., 2004, Ultrahigh-pressure metabasaltic garnets as probes into deep subduction-zone cycling: Geochemistry Geophysics Geosystems, v. 5, Q12J14, doi: 10.1029/2004GC000746.
41. Kohn, M.J., 1999, Why most "dry" rocks should cool "wet": American Mineralogist, v. 84, p. 570-580.
42. Liou, J.G., Maruyama, S., Wang, X., and Graham, S., 1990, Precambrian blueschist terranes of the world: Tectonophysics, v. 181, p. 97-111, doi: 10.1016/0040-1951(90)90010-6.
43. Ludwig, K.R., 2003, User's manual for Isoplot 3.00: A geochronological toolkit for Microsoft Excel: Berkeley Geochronology Center Special Publication 4, 70 p.
44. Maruyama, S., and Okamoto, K., 2007, Water transportation from the subducting slab into the mantle transition zone: Gondwana Research, v. 11, p. 148-165, doi: 10.1016/j.gr.2006.06.001.
45. Mattinson, J., 1988, Constraints on the timing of Franciscan metamorphism: Geochronological approaches and their limitations, in Ernst, W.G., ed., Metamorphism and crustal evolution of the western United States: Rubey Volume VII: Englewood Cliffs, New Jersey, Prentice-Hall, p. 1023-1034.
46. 2O system: American Mineralogist, v. 84, p. 362-373.
47. Otamendi, J.E., Rosa, J.D., Douce, A.E.P., and Castro, A., 2002, Rayleigh fractionation of heavy rare earths and yttrium during metamorphic garnet growth: Geology, v. 30, p. 159-162, doi: 10.1130/ 0091-7613(2002)030<0159:RFOHRE>2.0.CO;2.
48. Page, F.Z., Armstrong, L.S., Essene, E.J., and Mukasa, S.B., 2007, Prograde and retrograde history of the Junction School eclogite, California, and an evaluation of garnet-phengite-clinopyroxene thermobarometry: Contributions to Mineralogy and Petrology, v. 153, p. 533-555.
49. Ransome, F.L., 1895, On lawsonite, a new rockforming mineral from the Tiburon Peninsula, Marin County, California: University of California Publications in Geological Sciences, v. 1, p. 301-312.
50. Rice, S., 1964, A trip to the lawsonite type locality: Mineral Information Service, v. 17, p. 96-98.
51. Scherer, E.E., Cameron, K.L., and Blichert-Toft, J., 2000, Lu-Hf garnet geochronology: closure temperature relative to the Sm-Nd system and the effects of trace mineral inclusions: Geochimica et Cosmochimica Acta, v. 64, p. 3413-3432, doi: 10.1016/S0016-7037(00)00440-3.
52. Scherer, E., Münker, C., and Mezger, K., 2001, Calibration of the lutetium-hafnium clock: Science, v. 293, p. 683-687, doi: 10.1126/ science.1061372.
53. 39Ar and electron microprobe approach: Geochimica et Cosmochimica Acta, v. 50, p. 2111-2117, doi: 10.1016/0016-7037(86)90264-4.
54. 176Lu decay constant determined by Lu-Hf and U-Pb isotope systematics of Precambrian mafi c intrusions: Earth and Planetary Science Letters, v. 219, p. 311-324, doi: 10.1016/S0012-821X(04)00012-3.
55. Spandler, C., Hermann, J., Arculus, R., and Mavrogenes, J., 2003, Redistribution of trace elements during prograde metamorphism from lawsonite blueschist to eclogite facies; implications for deep subduction-zone processes: Contributions to Mineralogy and Petrology, v. 146, p. 205-222, doi: 10.1007/s00410-003-0495-5.
56. Sun, S.S., and McDonough, W.F., 1989, Chemical and isotopic systematics of oceanic basalts: implication for mantle composition and processes, in Saunders, A.D., and Norry, M.J., eds., Magmatism in ocean basins: Geological Society of London Special Publication 42, p. 313-345.
57. Tirone, M., Ganguly, J., Dohmen, R., Langenhorst, F., Hervig, R., and Becker, H.W., 2005, Rare earth diffusion kinetics in garnet: Experimental studies and applications: Geochimica et Cosmochimica Acta, v. 69, p. 2385-2398, doi: 10.1016/j.gca.2004.09.025.
58. Tsujimori, T., and Liou, J., 2007, Significance of the Ca-Na pyroxene-lawsonite-chlorite assemblage in blueschist-facies metabasalts: An example from the Renge metamorphic rocks, southwest Japan: International Geology Review, v. 49, p. 416-430, doi: 10.2747/ 0020-6814.49.5.416.
59. Tsujimori, T., Matsumoto, K., Wakabayashi, J., and Liou, J., 2006, Franciscan eclogite revisited: Re-evaluation of the P-T evolution of tectonic blocks from Tiburon Peninsula, California, U.S.A.: Mineralogy and Petrology, v. 88, p. 243-267, doi: 10.1007/s00710-006-0157-1.
60. Usui, T., Nakamura, E., Kobayashi, K., Maruyama, S., and Helmstaedt, H., 2003, Fate of the subducted Farallon plate inferred from eclogite xenoliths in the Colorado Plateau: Geology, v. 31, p. 589-592, doi: 10.1130/0091-7613(2003)031<0589:FOTSFP>2.0.CO;2.
61. Usui, T., Nakamura, E., Kobayashi, K., and Helmstaedt, H., 2007, Trace element fractionation in deep subduction zones inferred from a lawsonite-eclogite xenolith from the Colorado Plateau: Chemical Geology, v. 239, p. 336-351, doi: 10.1016/j.chemgeo.2006.08.009.
62. van Orman, J.A., Grove, T.L., Shimizu, N., and Layne, G.D., 2002, Rare earth element diffusion in a natural pyrope single crystal at 2.8 GPa: Contributions to Mineralogy and Petrology, v. 142, p. 416-424.
63. Wakabayashi, J., 1990, Counterclockwise P-T-t paths from amphibolites, Franciscan Complex, California: Relics from the early stages of subduction zone metamorphism: Journal of Geology, v. 98, p. 657-680.
64. 39Ar ages from coherent, high-pressure metamorphic rocks of the Franciscan Complex, California: Revisiting the timing of metamorphism of the world's type subduction complex: International Geology Review, v. 49, p. 873-906, doi: 10.2747/ 0020-6814.49.10.873.
65. Whitney, D.L., and Davis, P.B., 2006, Why is lawsonite eclogite so rare? Metamorphism and preservation of lawsonite eclogite, Sivrihisar, Turkey: Geology, v. 34, p. 473-476, doi: 10.1130/G22259.1.
66. Zack, T., Rivers, T., Brumm, R., and Kronz, A., 2004, Cold subduction of oceanic crust: Implications from a lawsonite eclogite from the Dominican Republic: European Journal of Mineralogy, v. 16, p. 909-916, doi: 10.1127/0935-1221/2004/0016-0909.