Re-Os and 40Ar/3 9Ar ages of porphyry molybdenum deposits in the East Greenland volcanic-rifted margin

Economic Geology

Volumn 99, Issue 6, 2004, Pages 1215-1222

  Brooks, C Kent ^a   Tegner, Christian ^b   Stein, Holly ^c   Thomassen, Bjørn ^d  

^a DANISH LITHOSPHERE CENTRE   (Denmark)

^b AARHUS UNIVERSITY   (Denmark)

^c Department of Environmental and Radiological Health Sciences   (United States)

^d GEOLOGICAL SURVEY OF DENMARK AND GREENLAND   (Denmark)

Author keywords

[No Author keywords available]

Indexed keywords

BIOTITE; CRUSTAL ANATEXIS; PLATE TECTONIC REORGANIZATION;

AGING OF MATERIALS; ARGON; FLOOD CONTROL; GRANITE; MOLYBDENUM COMPOUNDS; ORE DEPOSITS; RHENIUM COMPOUNDS; TECTONICS; VOLCANIC ROCKS;

PORPHYRINS;

ANATEXIS; ARGON-ARGON DATING; MOLYBDENUM; ORE DEPOSIT; PORPHYRY; RHENIUM-OSMIUM DATING; RIFT ZONE; UPLIFT;

ARCTIC; ARCTIC AND ANTARCTIC; EAST GREENLAND; GREENLAND; WORLD;

EID: 12344294613     PISSN: 03610128     EISSN: None     Source Type: Journal    
DOI: 10.2113/gsecongeo.99.6.1215     Document Type: Article

References (45)

1. Bearth, P., 1959, On the alkali massif of the Werner Bjerge in East Greenland: Meddelelser om Grønland 153, p. 1-63.
2. Beckinsale, R.D., Brooks, C.K., and Rex, D.C., 1970, K-Ar ages for the Tertiary of East Greenland: Bulletin of the Geological Society of Denmark, v. 20, p. 27-37.
3. Berggren, W.A., Kent, D.V., Swisher, C.C., and Aubrey, M.-P., 1995, A revised Cenozoic geochronology and chronostratigraphy: Society for Sedimentary Geology (SEPM) Special Publication 54, p. 129-212.
4. Bingen, B., and Stein, H., 2003, Molybdenite Re-Os dating of biotite dehydration melting in the Rogaland high-temperature granulites, S Norway: Earth and Planetary Science Letters, v. 208, no. 3-4, p. 181-195.
5. Birkenmajer, K., 1972, Report on investigations of Tertiary sediments at Kap Brewster, Scoresby Sund, East Greenland: Grønlands Geologiske Undersøgelse Rapport 48, p. 85-91.
6. Bott, M.H.P., 1987, The continental margin of central East Greenland in relation to North Atlantic plate tectonic evolution: Journal of the Geological Society of London, v. 144, p. 561-568.
7. Brooks, C.K., 1979, Geomorphological observations at Kangerdlugssuaq, East Greenland: Meddelelser om Grønland, Geoscience 1, p.1-21.
8. Brooks, C.K., and Nielsen, T.F.D., 1982, The Phanerozoic development of the Kangerdlugssuaq area: Meddelelser om Grønland, Geoscience 9, p. 1-30.
9. Brown, P.E., van Breeman, O., Noble, R.H., and Macintyre, R.M., 1977, Mid Tertiary activity in East Greenland-the Kialineq Complex: Contributions to Mineralogy and Petrology, v. 64, p. 109-122.
10. Carten, R.B., White, W.W., and Stein, H.J., 1993, High-grade granite-related molybdenum systems: Classification and origin: Geological Association of Canada Special Paper 40, p. 521-554.
11. Cox, K.G., 1993, Continental magmatic underplating: Philosophical Transactions of the Royal Society of London, v. 342, p. 155-166.
12. Geyti A., and Thomassen, B., 1984, Molybdenum and precious metal mineralization at Flammefjeld, southeast Greenland: Economic Geology, v. 79, p. 1921-1929.
13. Gleadow, A.J.W., and Brooks, C.K., 1979, Fission track dating, thermal histories and tectonics of igneous intrusions in East Greenland: Contributions to Mineralogy and Petrology, v. 71, p. 45-60.
14. Hald, N., and Tegner, C., 2000, Composition and age of sills and dykes, Jameson Land basin, East Greenland: Relation to regional flood volcanism: Lithos, v. 54, p. 207-223.
15. Hamilton, E.I., 1966, The isotopic composition of lead in igneous rocks. 1. The origin of some Tertiary granites: Earth and Planetary Science Letters, v. 1, p. 30-37.
16. Hansen, K., 1996, Thermotectonic evolution of a rifted continental margin: Fission track evidence from the Kangerlussuaq area, SE Greenland: Terra Nova, v. 8, p. 458-469.
17. Harpøth, O., Pedersen, J.L., Schønwandt, H.K., and Thomassen, B., 1986, The mineral occurrences of central East Greenland: Meddelelser om Grønland, Geoscience, v. 17, p. 1-136.
18. Holm, P.M., 1982, Metamorfosebetinget argontab og excess argon i østgrønlandske intrusivebjergarter-et K/Ar studium: Unpublished Ph.D. dissertation, Denmark, University of Copenhagen, 120 p.
19. Ishihara, S., Stein, H.J., and Tanaka, R., 2002, Re-Os age of molybdenite from the Busetsu two-mica granite, central Japan: Bulletin of the Geological Survey of Japan, v. 53, no. 5/6, p. 479-482.
20. Kempe, D.R.C., Deer, W.A., and Wager, L.R., 1970, Geological investigations in East Greenland. Part VII. The petrology of the Kangerdlugssuaq alkaline intrusion, East Greenland: Meddelelser om Grønland, v. 190, no. 2, p. 1-49.
21. Larsen, H.C., 1988, A multiple and propagating rift model for the NE Atlantic: Geological Society of London Special Publication 39, p. 157-158.
22. Larsen, H.C., Dahl-Jensen, T., and Hopper, J.R., 1998, Crustal structure along the leg 152 drilling transect: Proceedings of the Ocean Drilling Program, Scientific Results, v. 152, p. 463-478.
23. Larsen, M, Piasecki, S., and Stemmerik, L., 2002, The post-basaltic Palaeogene and Neogene sediments at Kap Dalton and Savoia Halvø, East Greenland: Geological Survey of Greenland Bulletin 191, p. 103-110.
24. Markey, R.J., Stein, H.J., and Morgan, J.W., 1998, Highly precise Re-Os dating of molybdenite using alkaline fusion and NTIMS: Talanta, v. 45, p. 935-946.
25. Mosar, J., Eide E.A., Osmundsen, P.T., Sommaruga, A., and Torsvik, T.H., 2002, Greenland-Norway separation: A geodynamic model for the North Atlantic: Norwegian Journal of Geology, v. 82, p. 281-298.
26. Nevle, R.J., Brandriss, M.E., Bird, D.K., and McWilliams, M.O., 1994, Tertiary plutons monitor climate change in East Greenland: Geology, v. 22, p. 775-778.
27. Noble, R.H., Macintyre, R.M., and Brown, P.E., 1988, Age constraints on Atlantic evolution: Timing of magmatic activity along the East Greenland continental margin: Geological Society of London Special Publication 39, p. 201-214.
28. Nunns, A.G., 1981, Plate tectonic evolution of the Greenland-Scotland ridge and surrounding regions, in Bott, M.H.P., Saxov, S., Talwani, M., and Theide, J., eds., Structure and development of the Greenland-Scotland ridge: New York, Plenum Press, p. 11-29.
29. Pankhurst, R.J., Beckinsale, R.D., and Brooks, C.K., 1976, Strontium and oxygen isotope evidence relating to the petrogenesis of the Kangerdlugssuaq alkaline intrusion, east Greenland: Contributions to Mineralogy and Petrology, v. 54, p, 17-42.
30. Price, S., Brodie, J., Whitam, A., and Kent, R., 1997, Mid-Tertiary rifting and magmatism in the Traill Ø region, East Greenland: Journal of the Geological Society of London, v. 154, p. 419-434.
31. Rex, D.C., Gledhill, A.R., Brooks, C.K., and Steenfelt, A., 1979, Radiometric ages of Tertiary salic intrusions near Kong Oscars fjord, East Greenland: Grønlands Geologiske Undersøgelse Rapport 95, p. 106-109.
32. Schønwandt, H.K., 1988, Geology and geotectonic setting of cratonic porphyry molybdenum deposits in the North Atlantic region, in Boissonnas, J., and Omenetto, P., eds.: Mineral deposits within the European community: Berlin-Heidelberg, Springer Verlag, p. 210-229.
33. Selby, D., Creaser, R.A., Hart, C.J.R., Rombach, C.S., Thompson, J.F.H., Smith, M.T., Bakke, A., and Goldfarb, R.J., 2002, Absolute timing of sulfide and gold mineralization: A comparison of Re-Os molybdenite and Ar-Ar mica methods from the Tintina gold belt, Alaska: Geology, v. 30, p. 791-794.
34. Selby, D., and Creaser, R.A., 2001, Re-Os geochronology and systematics in molybdenite from the Endako porphyry molybdenum deposit, British Columbia, Canada: Economic Geology, v. 96, 197-204.
35. Sillitoe, R.H., 1980, Types of porphyry molybdenum deposits: Mining Magazine, v. 142, p. 550-553.
36. Smoliar, M.I., Walker, R.J, and Morgan, J.W. 1996, Re-Os ages of Group IIA, IIIA, IVA, and IVB iron meteorites: Science, v. 271, p. 1099-1102.
37. Stein, H.J., and Bingen, B., 2002, 1.05-1.01 Ga Sveconorwegian metamorphism and deformation of the supracrustal sequence at Sæ svatn, south Norway: Re-Os dating of Cu-Mo mineral occurrences: Geological Society of London Special Publication 204, p. 319-335.
38. Stein, H.J., Markey, R.J., Morgan, J.W., Du, A., and Sun, Y., 1997, Highly precise and accurate Re-Os ages for molybdenite from the East Qinling molybdenum belt, Shaanxi Province, China: Economic Geology, v. 92, p. 827-835.
39. Stein, H.J., Morgan, J.W., Markey, R.J., and Hannah, J.L., 1998, An introduction to Re-Os: What's in it for the mineral industry?: Society of Engineering Geologists, Newsletter, January 1998, no. 32, p. 8-15.
40. Stein, H.J., Markey, R.J., Morgan, J.W., Hannah, J.L., and Scherstén, A., 2001, The remarkable Re-Os chronometer in molybdenite: How and why it works: Terra Nova, v. 13, p. 479-486.
41. Storey, M., Pedersen, A.K., Stecher, O., Bernstein, S., Larsen, H.C., Larsen, L.M., Baker, J.A., and Duncan, R.A., 2004, Long-lived post breakup magmatism along the East Greenland margin: Evidence for shallow-mantle metasomatism by the Iceland plume: Geology, v. 32, p. 173-176.
42. Talwani, M, and Eldholm, O., 1977, Evolution of the Norwegian-Greenland Sea: Geological Society of America Bulletin, v. 88, p. 969-999.
43. 39Ar geochronology of Tertiary mafic intrusions along the East Greenland rifted margin: Relation to flood basalts and the Iceland hotspot track: Earth and Planetary Science Letters, v. 156, p. 75-88.
44. Thompson, K., Green, P.E., Whitham, A.G., Price, S.P., and Underhill, J.R., 1999, New constraints on the thermal history of north-east Greenland from apatite fission-track analysis: Geological Society of Amererica Bulletin, v. 111, p. 1054-1068.
45. Watanabe, Y., and Stein, H.J., 2000, Re-Os ages for the Erdenet and Tsagaan Suvarga porphyry Cu-Mo deposits, Mongolia, and tectonic implications: Economic Geology, v. 95, p. 1537-1542.