Evidence for modern-style subduction to 3.1 Ga: A plateau-adakite-gold (diamond) association

Special Paper of the Geological Society of America

Volumn 440, Issue , 2008, Pages 129-148

  Wyman, D A ^a   O'Neill, C ^b   Ayer, J A ^c  

^a UNIVERSITY OF SYDNEY   (Australia)

^b MACQUARIE UNIVERSITY   (Australia)

^c Ontario Geological Survey   (Canada)

Author keywords

Archean; Diamond; Lamprophyre; Subduction

Indexed keywords

DEHYDRATION; DEPOSITS; DIAMOND DEPOSITS; DIAMONDS; EARTH (PLANET); GEODYNAMICS; GOLD DEPOSITS; TECTONICS;

ARCHEAN; COMPUTER MODELING; DEHYDRATION PROCESS; FLAT SUBDUCTIONS; LAMPROPHYRE; OROGENIC GOLD DEPOSITS; SUBDUCTION; THERMAL EVOLUTION;

ECONOMIC GEOLOGY;

ADAKITE; ARCHEAN; DEHYDRATION; DIAMOND; GEODYNAMICS; GEOLOGICAL RECORD; GOLD; HYDROTHERMAL SYSTEM; LAMPROPHYRE; MINERAL DEPOSIT; MINERALIZATION; OCEANIC CRUST; PLATEAU; SUBDUCTION ZONE; TECTONIC SETTING; THERMAL EVOLUTION;

CANADA; KAAPVAAL CRATON; NORTHWEST TERRITORIES; SUPERIOR PROVINCE; YELLOWKNIFE;

EID: 75249092985     PISSN: 00721077     EISSN: None     Source Type: Book Series    
DOI: 10.1130/2008.2440(06)     Document Type: Article

References (117)

1. Abbott, D.H., and Isley, A.E., 2002, The intensity, occurrence and duration of superplume events and eras over geological time: Journal of Geodynamics, v. 34, p. 265-307, doi: 10.1016/S0264-3707(02)00024-8.
2. Allibone, A., Teasdeale, J., Cameron, G., Etheridge, M., Uttley, P., Soboh, A., Appiah-Kubi, J., Adanu, A., Arthur, R., Mamphey, J., Odoom, B., Zuta, J., Tsikata, A., Pataye, F., and Famiyeh, S., 2002, Timing and structural controls on gold mineralization at the Bogoso Gold Mine, West Africa: Economic Geology and the Bulletin of the Society of Economic Geologists, v. 97, p. 949-969.
3. Anhaeusser, C.R., 1999, Archaean crustal evolution of the central Kaapvaal cra-ton, South Africa: Evidence from the Johannesburg Dome: South African Journal of Geology, v. 102, p. 303-322.
4. th International Kimberlite Conference Extended Abstracts FLA-0230: Victoria, Canada, Venue West Conference Services, Ltd., 3 pages on CD.
5. Ayer, J., Amelin, Y., Corfu, F., Kamo, S., Ketchum, J., Kwok, K., and Trowell, N., 2002, Evolution of the southern Abitibi greenstone belt based on U-Pb geochronology: Autochthonous volcanic construction followed by plutonism, regional deformation and sedimentation: Precambrian Research, v. 115, p. 63-95, doi: 10.1016/S0301-9268(02)00006-2.
6. Ayer, J.A., Thurston, P.C., Bateman, R., Dubé, B., Gibson, H.L., Hamilton, M.A., Hathway, B., Hocker, S.M., Houlé, M.G., Hudak, G., Ispolatov, V.O., Lafrance, B., Lesher, C.M., MacDonald, P.J., Peloquin, A.S., Piercey, S.J., Reed, L.E., and Thompson, P.H., 2005, Overview of Results from the Greenstone Architecture Project: Discover Abitibi Initiative: Ontario Geological Survey Open-File Report 6154, 146 p.
7. Bailey, L.M., 1999, An Unusual Diamond-Bearing Talc Schist from the Dachine Area of French Guiana [M.S. thesis]: Kingston, Ontario, Canada, Queen's University, 161 p.
8. Barley, M.E., Brown, S.J.A., Krapez, B., and Kositcin, N., 2007, Physical volcanology and geochemistry of a late Archean volcanic arc: Kurnalpi and Gindalbie terranes, Eastern Goldfields Superterrane, Western Australia: Precambrian Research, v. 161, p. 53-76, doi:10.1016/j.precamres.2007.06.019.
9. Barron, J.J., Barron, L.M., and Duncan, G., 2005, Eclogitic and ultrahigh-pressure crustal garnets and their relationship to Phanerozoic subduction diamonds, Bingra area, New England fold belt, Eastern Australia: Economic Geology and the Bulletin of the Society of Economic Geologists, v. 100, p. 1565-1582.
10. Barron, L.M., Lishmund, S.R., Oakes, G.M., Barron, B.J., and Sutherland, F.L., 1996, Subduction model for the origin of some diamonds in the Phanero-zoic of eastern New South Wales: Australian Journal of Earth Sciences, v. 43, p. 257-267, doi: 10.1080/08120099608728253.
11. Bierlein, F.P., Groves, D.I., Goldfarb, R.J., and Dube, B., 2006, Lithospheric controls on the formation of provinces hosting giant orogenic gold deposits: Mineralium Deposita, v. 40, p. 874-886, doi: 10.1007/s00126-005-0046- 2.
12. th International Archean Symposium Extended Abstracts: AGSO Geoscience Australia Record 2001/37, p. 288-290.
13. Boher, M., Abouchami, W., Michard, A., Alberade, F., and Arndt, N.T., 1992, Crustal growth in West Africa at 2.1 Ga: Journal of Geophysical Research, v. 97, no. B1, p. 345-369.
14. Bohlke, J.K., and Kistler, R.W., 1986, Rb-Sr, K-Ar, and stable isotope evidence for ages and sources of fluid components of gold-bearing quartz veins in the northern Sierra Nevada foothills metamorphic belt, California: Economic Geology and the Bulletin of the Society of Economic Geologists, v. 81, p. 296-322.
15. Brueckner, H.K., Carswell, D.A., and Griffin, W.L., 2002, Paleozoic diamonds within a Precambrian peridotite lens in UHP gneisses of the Norwegian Caledonides: Earth and Planetary Science Letters, v. 203, p. 805-816, doi: 10.1016/S0012-821X(02)00919-6.
16. Capdevila, R., Arndt, N., Letendre, J., and Sauvage, J.-F., 1999, Diamonds in volcaniclastic komatiite from French Guiana: Nature, v. 399, p. 456-458, doi: 10.1038/20911.
17. Collerson, K.D., and Kamber, B.S., 1999, Evolution of the continents and the atmosphere inferred from Th-U-Nb systematics of the depleted mantle: Science, v. 283, p. 1519-1522, doi: 10.1126/science.283.5407.1519.
18. Condie, K.C., 2004, Supercontinents and superplume events: Distinguishing between signals in the geologic record: Physics of the Earth and Planetary Interiors, v. 146, p. 319-332, doi: 10.1016/j.pepi.2003.04.002.
19. Condie, K.C., 2005, High field strength element ratios in Archean basalts: A window to evolving sources of mantle plumes?: Lithos, v. 79, p. 491-504, doi: 10.1016/j.lithos.2004.09.014.
20. Corfu, F., 1993, The evolution of the southern Abitibi greenstone belt in light of precise U-Pb geochronology: Economic Geology and the Bulletin of the Society of Economic Geologists, v. 88, p. 1323-1340.
21. Cousens, B., Facey, K., and Falck, H., 2002, Geochemistry of the late Archean Bangting Group, Yellowknife greenstone belt, Slave Province, Canada: Simultaneous melting of the upper mantle and juvenile mafic crust: Canadian Journal of Earth Sciences, v. 39, p. 1635-1656, doi: 10.1139/e02-070.
22. Daigneault, R., Mueller, W.U., and Chown, E.H., 2002, Oblique Archean subduc-tion: Accretion and exhumation of an oceanic arc during dextral transpres-sion, Southern volcanic zone, Abitibi subprovince, Canada: Precambrian Research, v. 115, p. 261-290, doi: 10.1016/S0301-9268(02)00012-8.
23. Davies, G.R., 1992, On the emergence of plate tectonics: Geology, v. 20, p. 963-966, doi: 10.1130/0091-7613(1992)020<0963:OTEOPT>2.3.CO;2.
24. Davies, G.R., Nixon, P.H., Pearson, D.G., and Obata, M., 1993, Tectonic implications of graphitized diamonds from the Ronda peridotite massif, southern Spain: Geology, v. 21, p. 471-474, doi: 10.1130/0091-7613(1993)021<04 71:TIOGDF>2.3.CO;2.
25. Davis, W.J., and Bleeker, W., 1999, Timing of plutonism, deformation, and metamorphism in the Yellowknife domain, Slave Province, Canada: Canadian Journal of Earth Sciences, v. 36, p. 1169-1187, doi: 10.1139/cjes-36-7-1169.
26. de Boorder, H., Spakman, W., White, S.H., and Wortel, M.J.R., 1998, Late Cenozoic mineralization, orogenic collapse and slab detachment in the European Alpine belt: Earth and Planetary Science Letters, v. 164, p. 569-575, doi: 10.1016/S0012-821X(98)00247-7.
27. Defant, M.J., Kepezhinskas, P., 2001, Evidence suggests slab melting in arc magmas: Eos (Transactions, American Geophysical Union), v. 82, p. 65 and 68-69.
28. de Ronde, C.E.J., Kamo, S.L., Davis, D.W., de Wit, M.J., and Spooner, E.T.C., 1991, Field, geochemical, and U-Pb isotopic constraints from hypabyssal felsic intrusion within the Barberton greenstone belt, South Africa: Implications for tectonics and the timing of gold mineralization: Precambrian Research, v. 49, p. 261-280, doi: 10.1016/0301-9268(91)90037-B.
29. De Stefano, A., Lefebvre, N., and Kopylova, M., 2006, Enigmatic diamonds in Archean calc-alkaline lamprophyres of Wawa, southern Ontario, Canada: Contributions to Mineralogy and Petrology, v. 151, p. 158-173, doi: 10.1007/s00410-005-0052-5.
30. Dianor Resources Inc. (Dianor), 2007, Leadbetter Diamond Property, Northwestern Ontario, Canada: A new deposit model for diamond exploration in Canada, in Prospectors and Developers Association of Canada 2007 Convention, Technical Session Abstract: http://www.pdac.ca/pdac/conv/2007/ pdf/ts-ryder.pdf (January 2008).
31. Dostal, J., and Mueller, W., 1997, Komatiite flooding of a rifted Archean rhy-olitic arc complex: Geochemical signature and tectonic significance of the Stoughton-Roquemaure Group, Abitibi greenstone belt, Canada: The Journal of Geology, v. 105, p. 545-563.
32. Drummond, M.S., Defant, M.J., and Kepezhinsksas, P.K., 1996, Petrogenesis of slab-derived trondhjemite-tonalite-dacite/adakite magmas: Transactions of the Royal Society of Edinburgh, v. 87, p. 205-215.
33. Ernst, R.E., Buchan, K.L., and Campbell, I.H., 2005, Frontiers in large igneous province research: Lithos, v. 79, p. 271-297, doi: 10.1016/j.lithos. 2004.09.004.
34. Feng, R., and Kerrich, R., 1992, Geochemical evolution of granitoids from the Archean Abitibi Southern volcanic zone and the Pontiac subprovince, Superior Province, Canada: Implications for tectonic history and source regions: Chemical Geology, v. 98, p. 23-70, doi: 10.1016/0009-2541(92)90090-R.
35. Fitton, J.G., Saunders, A.D., Norry, M.J., Hardarson, B.S., and Taylor, R.N., 1997, Thermal and chemical structure of the Iceland plume: Earth and Planetary Science Letters, v. 153, p. 197-208, doi: 10.1016/S0012-821X(97)00170- 2.'
36. Gilbert, H., Beck, S., and Zandt, G., 2006, Lithospheric and upper mantle structure of central Chile and Argentina: Geophysical Journal International, v. 165, p. 383-398, doi: 10.1111/j.1365-246X.2006.02867.x.
37. Goldfarb, R.J., Groves, D.I., and Gardoll, S., 2001, Orogenic gold and geologic time: A global synthesis: Ore Geology Reviews, v. 18, p. 1-75, doi: 10.1016/S0169-1368(01)00016-6.
38. Grabowski, G.P.B., and Wilson, A.C., 2005, Sampling Lamprophyre Dikes for Diamonds: Discover Abitibi Initiative: Ontario Geological Survey Open-File Report 6170, 262 p.
39. Griffin, W.L., O'Reilly, S.Y., and Davies, R.M., 2000, Subduction-related diamond deposits? Constraints, possibilities and new data from eastern Australia: Reviews in Economic Geology, v. 11, p. 291-310.
40. Groves, D.I., Goldfarb, R.J., Gebre-Mariam, H., Hagemann, S.G., and Robert, F., 1998, Orogenic gold deposits-A proposed classification in the context of their crustal distribution and relationship to other gold deposit types: Ore Geology Reviews, v. 13, p. 7-27, doi: 10.1016/S0169-1368(97)00012-7.
41. Groves, D.I., Condie, K., Goldfarb, R.J., Hronsky, J.M.A., and Vielreicher, R.M., 2005, 100th Anniversary Special Paper: Secular changes in global tectonic processes and their influences on the temporal distribution of gold-bearing mineral deposits: Economic Geology and the Bulletin of the Society of Economic Geologists, v. 100, p. 203-224.
42. Gutscher, M.A., Maury, R., Eissen, J.P., and Bourdon, E., 2000, Can slab melting be caused by flat subduction?: Geology, v. 28, p. 535-538, doi: 10.1130/00 91-7613(2000)28<535:CSMBCB>2.0.CO;2.
43. Hart, T.R., Gibson, H.L., and Lesher, C.M., 2004, Trace element geochemistry and petrogenesis of felsic volcanic rocks associated with volcanogenic massive Cu-Zn-Pb sulfide deposits: Economic Geology and the Bulletin of the Society of Economic Geologists, v. 99, p. 1003-1013.
44. Hausel, W.D., 1998, Diamonds and Mantle Source Rocks in the Wyoming Craton, with a Discussion of Other U.S. Occurrences: Wyoming State Geological Survey Report of Investigations 53, 93 p.
45. Hyndman, R.D., and Peacock, S.M., 2003, Serpentinization of the forearc mantle: Earth and Planetary Science Letters, v. 212, p. 417-432, doi: 10.1016/ S0012-821X(03)00263-2.
46. Ishihara, S., 2004, The redox state of granitoids relative to tectonic setting and Earth history: The magnetite-ilmenite series 30 years later: Transactions of the Royal Society of Edinburgh, Earth Sciences, v. 95, p. 23-33.
47. Ishihara, S., Ohmoto, H., Anhaeusser, C.R., Imai, A., and Robb, L.J., 2006, Discovery of the oldest oxic granitoids in the Kaapvaal Craton and its implications for the redox evolution of early Earth, in Kesler, S.E., and Ohmoto, H., eds., Evolution of Early Earth's Atmosphere, Hydrosphere, and Biosphere-Constraints from Ore Deposits: Geological Society of America Memoir 198, p. 67-80.
48. Kelemen, P.B., Yogodzinski, G.M., and Scholl, D.W., 2003, Along-strike variation in lavas of the Aleutian Island arc: Genesis of high Mg# andesite and implications for continental crust, in Eiler, J., ed., Inside the Subduc-tion Factory: American Geophysical Union Geophysical Monograph 138, p. 223-276.
49. Kerrich, R., and Wyman, D., 1990, Geodynamic setting of mesothermal gold deposits: An association with accretionary tectonic regimes: Geology, v. 18, p. 882-885, doi: 10.1130/0091-7613(1990)018<0882:GSOMGD>2.3.CO;2.
50. Kerrich, R., Goldfarb, R.J., Richards, J.P., 2005, Metallogenic provinces in an evolving geodynamic framework: Economic Geology 100th Anniversary Volume: Economic Geology and the Bulletin of the Society of Economic Geologists, v. 100, p. 1097-1136.
51. Kerrick, D.M., and Connolly, J.A.D., 2001, Metamorphic devolatilization of subducted oceanic metabasalts: Implications for seismicity, arc magmatism and volatile recycling: Earth and Planetary Science Letters, v. 189, p. 19-29, doi: 10.1016/S0012-821X(01)00347-8.
52. Kirk, J., Ruiz, J., Chesley, J., Walshe, J., and England, G., 2002, A major Archean, gold- and crust-forming event in the Kaapvaal craton, South Africa: Science, v. 297, p. 1856-1858, doi: 10.1126/science.1075270.
53. Konstantinovskii, A.A., 2003, Epochs of diamond placer formation in the Pre-cambrian and Phanerozoic: Lithology and Mineral Resources, v. 38, p. 530-546, doi: 10.1023/A:1027316611376.
54. Lefebvre, N., Kopylova, M., and Kivi, K., 2005, Archean calc-alkaline lampro-phyres of Wawa, Ontario, Canada: Unconventional diamondiferous vol-caniclastic rocks: Precambrian Research, v. 138, p. 57-87, doi: 10.1016/j. precamres.2005.04.005.
55. Li, Z.-X.A., and Lee, C.-T.A., 2006, Geochemical investigation of serpentinized oceanic lithospheric mantle in the Feather River ophiolite, California: Implications for the recycling rate of water by subduction: Chemical Geology, v. 235, p. 161-185, doi: 10.1016/j.chemgeo.2006.06.011.
56. MacDonald, P.J., Piercey, S.J., and Hamilton, M.A., 2005, An Integrated Study of Intrusive Rocks Spatially Associated with Gold and Base Metal Mineralization in the Abitibi Greenstone Belt, Timmins Area and Clifford Township: Discover Abitibi Initiative: Ontario Geological Survey Open-File Report 6160, 190 p.
57. 144 Nd in primary minerals from mafic and ultramafic rocks: Experimental procedure and implications for the isotopic characteristics of the Archean mantle under the Abitibi greenstone belt, Canada: Geochimica et Cosmochimica Acta, v. 50, p. 2335-2348, doi: 10.1016/0016-7037(86)90086-4.
58. Martin, H., Smithies, R.H., Rapp, R., Moyen, J.-F., and Champion, D., 2005, An overview of adakite, tonalite-trondhjemite-granodiorite (TTG) and sanuki-toid: Relationships and some implications for crustal evolution: Lithos, v. 79, p. 1-24, doi: 10.1016/j.lithos.2004.04.048.
59. th International Kimberlite Conference: Victoria, BC, Canada, Venue West Conference Services Ltd., 5 pages on CD.
60. McCuaig, T.C., and Kerrich, R., 1998, P-T-f-deformation-fluid characteristics of lode gold deposits: Evidence from alteration systematics: Ore Geology Reviews, v. 12, p. 381-153.
61. McNaughton, N.J., Mueller, A.G., and Groves, D.I., 2005, The age of the Giant Golden Mile deposit, Kalgoorlie, Western Australia: Ion-microprobe zircon and monazite U-Pb geochronology of a synmineralization lamprophyre dike: Economic Geology and the Bulletin of the Society of Economic Geologists, v. 100, p. 1427-1440.
62. McNeil, A.M., and Kerrich, R., 1986, Archean lamprophyric dykes and gold mineralisation, Matheson, Ontario: The conjunction of LIL-enriched mafic magmas, deep crustal structures and Au concentration: Canadian Journal of Earth Sciences, v. 23, p. 324-342.
63. Miller, S.A., van der Zee, W., Olgaard, D.L., and Connolly, J.A.D., 2003, A fluidpressure feedback model of dehydration reactions: Experiments, modelling, and applications to subduction zones: Tectonophysics, v. 370, p. 241-251, doi: 10.1016/S0040-1951(03)00189-6.
64. Moresi, L., Dufour, F., and Muhlhaus, H.-B., 2003, A Lagrangian integration point finite element method for large deformation modeling of viscoelastic geomaterials: Journal of Computational Physics, v. 184, p. 476-497, doi: 10.1016/S0021-9991(02)00031-1.
65. Morris, P.A., and Witt, W.K., 1997, Geochemistry and tectonic setting of two contrasting Archaean felsic volcanic association in the Eastern Goldfields, Western Australia: Precambrian Research, v. 83, p. 83-107, doi: 10.1016/ S0301-9268(97)00006-5.
66. Mortensen, J.K., 1993, U-Pb geochronology of the eastern Abitibi subprovince. Part 2: Noranda-Kirkland Lake area: Canadian Journal of Earth Sciences, v. 30, p. 29-41.
67. Mungall, J.E., 2002, Roasting the mantle: Slab melting and the genesis of major Au and Au-rich Cu deposits: Geology, v. 30, p. 915-918, doi: 10.1130/009 1-7613(2002)030<0915:RTMSMA>2.0.CO;2.
68. Nelson, D.R., 1998, Granite-greenstone crust formation on the Archaean Earth; a consequence of two superimposed processes: Earth and Planetary Science Letters, v. 158, p. 109-119, doi: 10.1016/S0012-821X(98)00049-1.
69. Oberthür, T., Vetter, U., Davis, D.W., and Amanor, J.A., 1998, Age constraints on gold mineralization and Paleoproterozoic crustal evolution in the Ashanti belt of southern Ghana: Precambrian Research, v. 89, p. 129-143, doi: 10.1016/S0301-9268(97)00075-2.
70. O'Neill, C., and Wyman, D.A., 2006, Geodynamic modeling of late Archean subduction: P-T constraints from greenstone belt diamond deposits, in Benn, K., Mareschal, J.-C., and Condie, K., eds., Archean Geodynamics and Environments: American Geophysical Union, Geophysical Union Monograph 164, p. 177-188.
71. Parlak, O., Höck, V., and Delaloye, M., 2002, The supra-subduction zone Pozanti-Karsanti ophiolite, southern Turkey: Evidence for high-pressure crystal fractionation of ultramafic xenoliths: Lithos, v. 65, p. 205-224, doi: 10.1016/S0024-4937(02)00166-4.
72. Pearson, D.G., Davies, G.R., Nixon, P.H., Greenwood, P.B., and Mattey, D.P., 1991, Oxygen isotope evidence for the origin of pyroxenites in the Beni Bousera peridotite massif, North Morocco: Derivation from subducted oceanic lithosphere: Earth and Planetary Science Letters, v. 102, 289-301.
73. Perring, C.S., Rock, N.M.S., Golding, S.D., and Roberts, D.E., 1989, Criteria for the recognition of metamorphosed lamprophyres: A case study from the Archaean of Kambalda, Western Australia: Precambrian Research, v. 43, p. 215-237, doi: 10.1016/0301-9268(89)90057-0.
74. Petford, N., and Atherton, M., 1996, Na-rich partial melts from newly underplated basaltic crust: The Cordillera Blanca Batholith, Peru: Journal of Petrology, v. 37, p. 1491-1521, doi: 10.1093/petrology/37.6.1491.
75. Phillips, G.N., Groves, D.I., and Kerrich, R., 1996, Factors in the control of the giant Kalgoorlie gold deposit: Ore Geology Reviews, v. 10, p. 295-317, doi: 10.1016/0169-1368(95)00028-3.
76. Poidevin, J.-L., 1994, Boninite-like rocks from the Palaeoproterozoic greenstone belt of Bogoin, Central African Republic: Geochemistry and petrogenesis: Pre-cambrian Research, v. 68, p. 97-113, doi: 10.1016/0301- 9268(94)90067-1.
77. Polat, A., and Kerrich, R., 2001, Magnesian andesites, Nb-enriched basalt-andesites, and adakites from late Archean 2.7 Ga Wawa greenstone belts, Superior Province, Canada: Implications for late Archean subduction zone petrogenetic processes: Contributions to Mineralogy and Petrology, v. 141, p. 36-52.
78. Polat, A., Kerrich, R., and Wyman, D.A., 1998, The late Archean Screiber-Hemlo and White River-Dayohessarah greenstone belts, Superior Province: Collages of oceanic plateaus, oceanic arcs, and subduction-accretion complexes: Tectonophysics, v. 289, p. 295-326, doi: 10.1016/S0040-1951(98)00002-X.
79. Poujol, M., Robb, L.J., Anhaeusser, C.R., and Gricke, B., 2003, A review of the geochronological constraints on the evolution of the Kaapvaal craton, South Africa: Precambrian Research, v. 127, p. 181-213, doi: 10.1016/ S0301-9268(03)00187-6.
80. Prevac, S.A., Anhaeusser, C.R., and Poujol, M., 2004, Evidence for Archean lamprophyre from the Kaapvaal craton, South Africa: South African Journal of
81. Science, v. 100, p. 549-555.
82. Prouteau, G., Scaillet, B., Pichavant, M., and Maury, R., 2001, Evidence for mantle metasomatism by hydrous silicic melts derived from subducted oceanic crust: Nature, v. 410, p. 197-200, doi: 10.1038/35065583.
83. Reich, M., Parada, M.A., Palacios, C., Diedtrich, A., Schults, F., and Lehmann, B., 2003, Adakite-like signature of late Miocene intrusions at the Los Pelambres giant porphyry copper deposit in the Andes of central Chile: Metallogenic implications: Mineralium Deposita, v. 38, p. 876-885, doi: 10.1007/s00126-003-0369-9.
84. Robert, F., and Poulsen, K.H., 1997, World-class Archean gold deposits in Canada: An overview: Australian Journal of Earth Sciences, v. 44, p. 329-351, doi: 10.1080/08120099708728316.
85. Robert, F., Poulsen, K.H., Cassidy, K.F., and Hidgson, C.J., 2005, Gold metallogeny of the Superior and Yilgarn cratons: Economic Geology 100th Anniversary Volume: Economic Geology and the Bulletin of the Society of Economic Geologists, v. 100, p. 1001-1033.
86. Rupke, L.H., Morgan, J.P., Hort, M., and Connolly, J.A.D., 2004, Serpentine and the subduction zone water cycle: Earth and Planetary Science Letters, v. 223, p. 17-34, doi: 10.1016/j.epsl.2004.04.018.
87. Sage, R.P., 2000, The "Sandor" Diamond Occurrence, Michipicoten Greenstone Belt, Wawa, Ontario: A Preliminary Study: Ontario Geological Survey Open-File Report 6016, 49 p.
88. Saha, A., Basu, A.R., Wakabayashi, J., and Wortman, G.L., 2005, Geochemical evidence for a subducted infant arc in Franciscan high-grade-metamorphic tectonic blocks: Geological Society of America Bulletin, v. 117, p. 1318-1335, doi: 10.1130/B25593.1.
89. Scott, C.R., Mueller, W.U., and Pilote, P., 2002, Physical volcanology, stratigraphy, and lithogeochemistry of an Archean volcanic arc: Evolution from plume-related volcanism to arc rifting of SE Abitibi greenstone belt, Val d'Or, Canada: Precambrian Research, v. 115, p. 223-260, doi: 10.1016/ S0301-9268(02)00011-6.
90. Smithies, R.H., and Champion, D.C., 1999, Late Archean felsic alkaline rocks in the Eastern Goldfields, Yilgarn craton, Western Australia: A result of lower crustal delamination?: Journal of the Geological Society of London, v. 156, p. 561-576.
91. Smithies, R.H., Champion, D.C., and Cassidy, K.F., 2003, Formation of Earth's early Archaean continental crust: Precambrian Research, v. 127, p. 89-101, doi: 10.1016/S0301-9268(03)00182-7.
92. Smithies, R.H., Champion, D.C., Van Kranendonk, M.J., Howard, H.M., and Hickman, A.H., 2005, Modern-style subduction processes in the Mesoarchean: Geochemical evidence from the 3.12 Ga Whundo intra-oceanic arc: Earth and Planetary Science Letters, v. 231, p. 221-237, doi: 10.1016/ j.epsl.2004.12.026.
93. Stachel, T., and Harris, J.W., 1997, Syngenetic inclusions in diamond from the Barim field (Ghana)-A deep peridotitic profile with a history of depletion and re-enrichment: Contributions to Mineralogy and Petrology, v. 127, p. 336-352, doi: 10.1007/s004100050284.
94. Stachel, T., Banas, A., Muehlenbachs, K., Kurszlaukis, S., and Walker, E.C., 2006, Archean diamonds from Wawa (Canada): Samples from deep cra-tonic roots predating cratonization of the Superior Province: Contributions to Mineralogy and Petrology, v. 151, p. 737-750.
95. Stott, G.M., Ayer, J.A., Wilson, A.C., and Grabowski, G.P.B., 2002, Are the Neoarchean diamond-bearing breccias in the Wawa area related to late-orogenic alkalic and "sanukitoid" intrusions?, in Summary of Field Work and Other Activities 2002: Ontario Geological Survey Open-File Report 6100, p. 9-1-9-10.
96. Sun, S.-S., and McDonough, W.F., 1989, Chemical and isotopic systematics of oceanic basalts: Implications for mantle composition and processes, inSaunders, A.D., and Norry, M.J., eds., Magmatism in the Ocean Basins: Geological Society of London Special Publication 42, p. 313-345.
97. Toteu, S.F., Van Schmus, W.R., Penaye, J., and Michard, A., 2001, New U-Pb and Sm-Nd data from north-central Cameroon and its bearing on the pre-Pan African history of central Africa: Precambrian Research, v. 108, p. 45-73, doi: 10.1016/S0301-9268(00)00149-2.
98. Vaillancourt, C., Ayer, J.A., Zubowski, S.M, and Kamo, S.L., 2004, Synthesis and timing of Archean geology and diamond-bearing rocks in the Michipicoten greenstone belt: Menzies and Musquash Townships, in Summary of Field Work and Other Activities 2004: Ontario Geological Survey Open-File Report 6145, p. 6-1-6-9.
99. van Roermund, H.L.M., Carswell, D.A., Drury, M.R., and Heijboer, T.C., 2002, Microdiamonds in a megacrystic garnet websterite pod from Bardane on the island of Fjortoft, western Norway: Evidence for diamond formation in mantle rocks during deep continental subduction: Geology, v. 30, p. 959-962, doi: 10.1130/0091-7613(2002)030<0959:MIAMGW>2.0.CO;2.
100. Wagner, L.S., Beck, S., and Zandt, G., 2005, Upper mantle structure in the south central Chilean subduction zone (30° to 36°S): Journal of Geophysical Research, v. 110, B01308, doi: 10.1029/2004JB003238.
101. Wagner, L.S., Beck, S., Zandt, G., and Ducea, M.N., 2006, Depleted lithosphere, cold, trapped asthenosphere, and frozen melt puddles above the flat slab in central Chile and Argentina: Earth and Planetary Science Letters, v. 245, p. 289-301, doi: 10.1016/j.epsl.2006.02.014.
102. Wang, Q., Wyman, D.A., Xu, J.F., Zhao, Z.H., Jian, P., and Zi, F., 2007, Partial melting of thickened or delaminated lower crust in the middle of eastern China: Implications for Cu-Au mineralization: The Journal of Geology, v. 115, p. 149-161, doi: 10.1086/510643.
103. Williams, F., 2002, Diamonds in Late Archean Calc-Alkaline Lamprophyres Ontario, Canada: Origins and Implications [Honor's thesis]: Sydney, University of Sydney, 82 p.
104. Williams, H.R., Stott, G.M., Heather, K.B., Muir, T.L., and Sage, R.P., 1991, Wawa subprovince, in Thurston, P.C., Williams, H.R., Sutcliffe, R.H., and Stott, G.M., eds., Geology of Ontario: Ontario Geological Survey Special Volume 4, Part 1, p. 485-539.
105. Witze, A., 2006, The start of the world as we knew it-News Feature: Nature, v. 442, p. 128-131, doi: 10.1038/442128a.
106. Wyborn, L.A.I., Gallagher, R., and Jagodzinski, E.A., 1994, A conceptual approach to metallogenic modelling using GIS: Examples from the Pine Creek Inlier: Glenside, South Australia, Australian Research on Ore Genesis Symposium, Australian Mineral Foundation, Poster Paper Abstracts, p. 15.1-15.5.
107. Wyman, D.A., 2003, Upper mantle processes beneath the 2.7 Ga Abitibi belt, Canada: A trace element perspective: Precambrian Research, v. 127, p. 143-165, doi: 10.1016/S0301-9268(03)00185-2.
108. Wyman, D.A., and Hollings, P., 2006, Late-Archean convergent margin volca-nism in the Superior Province: A comparison of the Blake River Group and Confederation assemblage, in Benn, K., Mareschal, J.-C., and Condie, K., eds., Archean Geodynamics and Environments: American Geophysical Union, Geophysical Union Monograph 164, p. 215-237.
109. Wyman, D.A., and Kerrich, R., 1988, Alkaline magmatism, major structures, and gold deposits: Implications for greenstone belt gold metallogeny: Economic Geology and the Bulletin of the Society of Economic Geologists, v. 83, p. 454-461.
110. Wyman, D.A., and Kerrich, R., 1989, Archean shoshonitic lamprophyres of the Superior Province, Canada: Distribution, petrology and geochemical characteristics: Journal of Geophysical Research, v. 94B, p. 4667-4696.
111. Wyman, D.A., and Kerrich, R., 1993, Archean shoshonitic lamprophyres of the Abitibi subprovince, Canada: Petrogenesis, age, and tectonic setting: Journal of Petrology, v. 34, p. 1067-1109.
112. Wyman, D.A., and Kerrich, R., 2002, Formation of Archean Continental Litho-spheric Roots: The role of mantle plumes: Geology, v. 30, p. 543-546.
113. Wyman, D.A., Bleeker, W., and Kerrich, R., 1999a, A 2.7 Ga plume, proto-arc, to arc transition and the geodynamic setting of the Kidd Creek deposit: Evidence from precise ICP MS trace element data, in Hannington, M.D., and Barrie, C.T., eds., Economic Geology Monograph 10: The Giant Kidd Creek Massive Sulfide Deposit, Western Abitibi Subprovince, Canada, p. 511-528.
114. Wyman, D.A., Kerrich, R., and Groves, D.I., 1999b, Lode gold deposits and Archean mantle plume-island arc interaction, Abitibi subprovince, Canada: The Journal of Geology, v. 107, p. 715-725, doi: 10.1086/314376.
115. Wyman, D.A., Kerrich, R., and Polat, A., 2002, Assembly of Archean cratonic mantle lithosphere and crust: Plume-arc interaction in the Abitibi-Wawa subduction-accretion complex: Precambrian Research, v. 115, p. 37-62, doi: 10.1016/S0301-9268(02)00005-0.
116. Wyman, D.A., Ayer, J.A., Conceigao, R.V., and Sage, R.P., 2006, Mantle processes in an Archean orogen: Evidence from 2.67 Ga diamond-bearing lamprophyres and xenoliths: Lithos, v. 89, p. 300-328, doi: 10.1016/j. lithos.2005.12.005.
117. Young, L., 1998, Map of California Historic Gold Mines: Sacramento, California, California Department of Conservation, Division of Mines and Geology, scale 1:1,500,000.