207Pb-206Pb dating of magnetite, monazite and allanite in the central and northern Nagssugtoqidian orogen, West Greenland

Geological Survey of Denmark and Greenland Bulletin

Volumn , Issue 11, 2006, Pages 101-114

  Stendal, Henrik ^a   Secher, Karsten ^a   Frei, Robert ^b  

^a GEOLOGICAL SURVEY OF DENMARK AND GREENLAND   (Denmark)

^b UNIVERSITY OF COPENHAGEN   (Denmark)

Author keywords

Magnetite; Nagssugtoqidian orogen; Palaeoproterozoic; Pb isotopes; Pb stepwise leaching; Pegmatites; Supracrustal rocks

Indexed keywords

ALLANITE; LEAD ISOTOPE; LEAD-LEAD DATING; MAGNETITE; MONAZITE; OROGENY; PROTEROZOIC; SUPRACRUSTAL ROCK;

ARCTIC; GREENLAND; WEST GREENLAND;

EID: 33846857505     PISSN: 16048156     EISSN: 19044666     Source Type: Book Series    
DOI: None     Document Type: Article

References (31)

1. Connelly, J.N. & Mengel, F.C. 2000: Evolution of Archean components in the Paleoproterozoic Nagssugtoqidian orogen, West Greenland. Geological Society of America Bulletin 112, 747-763.
2. Connelly, J.N., van Gool, J.A.M. & Mengel, F.C. 2000: Temporal evolution of a deeply eroded orogen: the Nagssugtoqidian orogen, West Greenland. Canadian Journal of Earth Sciences 37, 1121-1142.
3. Connelly, J.N., Thrane, K., Krawiec, A.W., & Garde, A.A. 2006: Linking the Palaeoproterozoic Nagssugtoqidian and Rinkian orogens through the Disko Bugt region of West Greenland. Journal of the Geological Society, London 163, 319-335.
4. Deer, W.A., Howie, R.A. & Zussman, J. 1966: An introduction to the rock-forming minerals, 528 pp. London: Longman.
5. Frei, R. & Kamber, B.S. 1995: Single mineral Pb-Pb dating. Earth and Planetary Science Letters 129, 261-268.
6. Garde, A.A. & Steenfelt, A. 1999: Precambrian geology of Nuussuaq and the area north-east of Disko Bugt, West Greenland. Geology of Greenland Survey Bulletin 181, 6-40.
7. Hollis, J.A., Keiding, M., Stensgaard, B.M., van Gool, J.A.M. & Garde, A.A. 2006: Evolution of Neoarchaean supracrustal belts at the northern margin of the North Atlantic Craton, West Greenland. In: Garde, A.A. & Kalsbeek, F. (eds): Precambrian crustal evolution and Cretaceous-Palaeogene faulting in West Greenland. Geological Survey of Denmark and Greenland Bulletin 11, 9-31 (this volume).
8. Kalsbeek, F. & Nutman, A.P. 1996: Anatomy of the early Proterozoic Nagssugtoqidian Orogen, West Greenland, explored by reconnaissance SHRIMP U-Pb zircon dating. Geology 24, 515-518.
9. Kalsbeek, F. & Taylor, P.N. 1985: Isotopic and chemical variations in granites across a Proterozoic continental margin - the Ketilidian mobile belt of South Greenland. Earth and Planetary Science Letters 73, 65-80.
10. Kalsbeek, F., Taylor, P.N. & Henriksen, N. 1984: Age of rocks, structures, and metamorphism in the Nagssugtoqidian mobile belt, West Greenland - field and Pb-isotope evidence. Canadian Journal of Earth Sciences 21, 1126-1131.
11. Kalsbeek, F., Pidgeon, R.T. & Taylor, P.N. 1987: Nagssugtoqidian mobile belt of West Greenland: cryptic 1850 Ma suture between two Archaean continents - chemical and isotopic evidence. Earth and Planetary Science Letters 85, 365-385.
12. Kalsbeek, F., Taylor, P.N. & Pidgeon, R.T. 1988: Unreworked Archaean basement and Proterozoic supracrustal rocks from northeastern Disko Bugt, West Greenland: implications for the nature of Protozoic mobile belts in Greenland. Canadian Journal of Earth Sciences 25, 773-782.
13. Ludwig, K.R. 1990: ISOPLOT for MS-DOS - A plotting and regression program for radiogenic isotope data, for IBM-PC compatible computers, version 2.03. United States Geological Survey, Open File Report OF-88-0557, 40 pp.
14. Nutman, A.P., Kalsbeek, F., Marker, M., van Gool, J.A.M. & Bridgwater, D. 1999: U-Pb zircon ages of Kangâmiut dykes and detrital zircons in metasediments in the Palaeoproterozoic Nagssugtoqidian orogen (West Greenland). Clues to the pre-collisional history of the orogen. Precambrian Research 93, 87-104.
15. Østergaard, C., Garde, A.A., Nygaard, J., Blomsterberg, J., Nielsen, B.M., Stendal, H. & Thomas, C.W. 2002: The Precambrian supracrustal rocks in the Naternaq (Lersletten) and Ikamiut areas, central West Greenland. Geology of Greenland Survey Bulletin 191, 24-32.
16. Ramdohr, P. 1969: The ore minerals and their intergrowths, 1174 pp. Oxford: Pergamon Press.
17. Schjødt, F. & Steenfelt, A. 2004: Mineral resources of the Precambrian shield of central West Greenland (66° to 70°15′ N). Part 1. Compilation of geoscience data. Danmarks og Grønlands Geologiske Undersøgelse Rapport 2004/16, 45 pp.
18. Secher, K. 1980: Distribution of radioactive mineralisation in central West Greenland. Rapport Grønlands Geologiske Undersøgelse 100, 61-65.
19. Stacey, J.S. & Kramers, J.D. 1975: Approximation of terrestrial lead isotope evolution by a two-stage model. Earth and Planetary Science Letters 26, 207-221.
20. Steenfelt, A., Stendal, H., Nielsen, B.M. & Rasmussen, T.M. 2004: Gold in central West Greenland - known and prospective occurrences. Geological Survey of Denmark and Greenland Bulletin 4, 65-68.
21. Stendal, H. 1998: Contrasting Pb isotopes of Archaean and Palaeoproterozoic sulphide mineralisation, Disko Bugt, central West Greenland. Mineralium Deposita 33, 255-265.
22. Stendal, H. & Schønwandt, H.K. 2003: Precambrian supracrustal rocks and mineral occurrences, north-east Disko Bugt. Danmarks og Grønlands Geologiske Undersøgelse Rapport 2003/24, 57 pp.
23. Stendal, H., Blomsterberg, J., Jensen, S.M., Lind, M., Madsen, H.B., Nielsen, B.M., Thorning, L. & Østergaard, C. 2002: The mineral resource potential of the Nordre Strømfjord - Qasigiannguit region, southern central West Greenland. Geology of Greenland Survey Bulletin 191, 39-47.
24. Stendal, H., Nielsen, B.M., Secher, K. & Steenfelt, A. 2004: Mineral resources of the Precambrian shield of central West Greenland (66° to 70°15′). Part 2. Mineral occurrences. Danmarks og Grønlands Geologiske Undersøgelse Rapport 2004/20, 212 pp.
25. Stendal, H., Frei, R. & Stensgaard, B.M. 2006: A lead isotope study of an Archaean gold prospect in the Attu region, Nagssugtoqidian orogen, West Greenland. In: Garde, A.A. & Kalsbeek, F. (eds): Precambrian crustal evolution and Cretaceous-Palaeogene faulting in West Greenland. Geological Survey of Denmark and Greenland Bulletin 11, 53-60 (this volume).
26. Taylor, P.N. & Kalsbeek, F. 1990: Dating the metamorphism of Precambrian marbles: Examples from Proterozoic mobile belts in Greenland. Chemical Geology 86, 21-28.
27. Thrane, K. & Connelly, J.N. 2006: Zircon geochronology from the Kangaatsiaq-Qasigiannguit region, the northern part of the 1.9-1.8 Ga Nagssugtoqidian orogen, West Greenland. In: Garde, A.A. & Kalsbeek, F. (eds): Precambrian crustal evolution and Cretaceous-Palaeogene faulting in West Greenland. Geological Survey of Denmark and Greenland Bulletin 11, 87-99 (this volume).
28. Todt, W., Cliff, R.A., Hanser, A. & Hofmann, A.W. 1993: Re-calibration of NBS lead standards using a 202Pb + 205Pb double spike. Terra Abstracts 5, Supplement 1.
29. van Gool, J.A.M., Connelly, J.N., Marker, M. & Mengel, F. 2002: The Nagssugtoqidian orogen of West Greenland: tectonic evolution and regional correlations from a West Greenland perspective. Canadian Journal of Earth Sciences 39, 665-686.
30. Whitehouse, M.J., Kalsbeek, F. & Nutman, A.P. 1998: Crustal growth and crustal recycling in the Nagssugtoqidian orogen of West Greenland: constraints from radiogenic isotope systematics and U-Pb zircon geochronology. Precambrian Research 91, 365-381.
31. Willigers, B.J.A., Krogstad, E.J. & Wijbrans, J.R. 2001: Comparison of thermochronometers in a slowly cooled granulite terrain: Nagssugtoqidian orogen, West Greenland. Journal of Petrology 42, 1729-1749.