Single mineral dating by the Pb-Pb step-leaching method: Assessing the mechanisms

Geochimica et Cosmochimica Acta

Volumn 61, Issue 2, 1997, Pages 393-414

  Frei, R ^a   Villa, I M ^a   Nagler Th F ^a   Kramers, J D ^a   Przybylowicz, W J ^b,e   Prozesky, V M ^b   Hofmann, B A ^c   Kamber, B S ^d  

^a UNIVERSITY OF BERN   (Switzerland)

^b NATIONAL ACCELERATOR CENTRE   (South Africa)

^c NATURHISTORISCHES MUSEUM DER BURGERGEMEINDE BERN   (Switzerland)

^d UNIVERSITY OF OXFORD   (United Kingdom)

^e AGH UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Poland)

Author keywords

[No Author keywords available]

Indexed keywords

LEAD/LEAD DATING; STEPWISE LEACHING;

EID: 0030747924     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0016-7037(96)00343-2     Document Type: Article

References (49)

1. Blenkinsop T. G. and Frei R. (1996) Archean and Proterozoic mineralization and tectonics at Renco mine (Northern Marginal Zone, Limpopo Belt, Zimbabwe). Econ. Geol. (In press)
2. Bunker B. C., Tallant D. R., Headley T. J., Turner G. L., and Kirk-patrick R. G. (1988) The structure of leached sodium silicate glass. Physics and Chemistry of Glasses 29, 106-120.
3. Buick I. S., Frei R., and Cartwright I. (1997) The timing of high-temperature retrogression in the Reynolds Range, central Australia; constraints from single mineral Pb-Pb dating. Contrib. Mineral. Tetrol. (submitted).
4. Casey W. H., Westlich H. R., and Arnold G. W. (1988) Surface chemistry of labradorite feldspar reacted with aqueous solutions at pH = 2, 3, and 12. Geochim. Cosmochim. Acta 52, 2795-2807.
5. Casey W. H., Westrich H. R., Arnold G. W., and Banfield J. F. (1989) The surface chemistry of dissolving labradorite feldspar. Geochim.Cosmochim. Acta 53, 821-832.
6. Chou W. H. and Wollast R. (1984) Study of the weathering of albite at room temperature and pressure with a fluidized bed reactor. Geochim. Cosmochim Acta 48, 2205-2218.
7. Chou W. H. and Wollast R. (1985) Steady-state kinetics and dissolution mechanisms of albite. Amer. J. of Sci. 285, 963-993.
8. 7. Geochim. Cosmochim. Acta 44, 491-511.
9. + on silicate polymers. Geochim. Cosmochim. Acta 44, 1627-1642.
10. deWolf C. P. and Mezger K. (1994) Lead isotope analyses of leached feldspars: Constraints on the early crustal history of the Grenville Orogen. Geochim. Cosmochim. Acta 58, 5537-5550.
11. deWolf C. P., Zeissler C. J., Halliday A. N., Mezger K., and Essene E. J. (1996) The role of inclusions in U-Pb and Sm-Nd garnet geochronology: Stepwise dissolution experiments and trace uranium mapping by fission track analysis. Geochim. Cosmochim. Acta 60, 121-123.
12. Fleischer R. L., Price P. B., and Walker R. M. (1975) Nuclear Tracks in Solids. Principles and Applications. Univ. Calif. Press.
13. Franz G. and Spear F. S. (1985) Aluminous titanite (sphene) from the eclogite zone, south-central Tauern window, Austria. Chem. Geol. 50, 33-46.
14. Frei R. (1996) The extent of inter-mineral isotope equilibrium: a systematic bulk U-Pb and step-leach Pb isotope study of individual phases from the Tertiary granite of Jerissos (Northern Greece) European J. Mineral. 8, 1175-1189.
15. Frei R. (1995) A new Pb-dating technique for gold deposits: Examples from Zimbabwe. In Centennial Geocongress, Geological Society of South Africa, Johannesburg, South Africa, April 3-7, 1995, pp. 64-67 (ext. abstr.).
16. Frei R. and Kamber B. S. (1995) Single mineral Pb-Pb dating. Earth Planet. Sci. Lett. 129, 261-268.
17. Frei R. and Pettke T. (1996) Mono-sample Pb-Pb dating of pyrrhotite and tourmaline: Proterozoic vs. Archean gold mineralization in Zimbabwe. Geology 24, 823-826.
18. Frei R., Biino G. G., and Prospert C. (1995) Dating a Variscan pressure-temperature loop with staurolite. Geol. 23, 1095-1098.
19. Helgeson H. C., Murphy W. M., and Aagaard P. (1984) Thermodynamic and kinetic constraints on reaction rates among minerals and aqueous solutions. II. Rate constants, effective surface area, and the hydrolysis of feldspar. Geochim. Cosmochim. Acta 48, 2405-2432.
20. Heaman L. and Parrish R. (1991) U-Pb geochronology of accessory minerals. In Shortcourse Handbook on Applications of Radiogenic Isotope Systems to Problems in Geology (ed. L. Heaman and J.N. Ludden), pp. 59-102. Mineral. Assoc. Canada.
21. Hellmann R., Eggleston C. M., Hochella Jr. M. F., and Crerar D. A. (1990) The formation of leached layers on albite surfaces during dissolution under hydrothermal conditions. Geochim. Cosmochim. Acta 54, 1267-1281.
22. Hollabaugh C. L. and Rosenberg P. E. (1983) Substitution of Ti for Si in titanite and new end-member cell dimensions for titanite. Amer. Mineral. 68, 177-180.
23. Kamber B. S., Blenkinsop T. G., Villa I. M., and Dahl P. S. (1995) Proterozoic transpressive deformation in the Northern Marginal Zone, Limpopo Belt, Zimbabwe. J. of Geol. 103, 493-508.
24. Kamber B. S., Frei R., Gibb A. J., and O'Nions R. K. (1996) Granulite chronometry-how accurately can we interpret precise ages? Journal of Conference Abstracts, Sixth V.M. Goldschmidt Conference, 31 March-4 April, Heidelberg, Germany, 1, 300.
25. Kretz R. (1960) The distribution of certain elements among coexisting calcic pyroxenes, calcic amphiboles and biotites in skarns. Geochim. Cosmochim. Acta 20, 161-191.
26. Kretz R. (1993) Petrology of veined gneisses of the Otter complex, southern Grenville Province. Canadian J. Earth Sci. 31, 835-850.
27. Krogh E. J., Andersen A., Bryhni J., and Kristensen St.-E. (1982) Tectonic setting, age, and petrology of ecoglites within the upper-most tectonic unit of the Scandinavian caledonides. Tromsø area, northern Norway. Terra Cognita 2, 316.
28. Lanzirotti A. and Hanson G. N. (1995) U-Pb dating of major and accessory minerals formed during metamorphism and deformation of metapelites. Geochim. Cosmochim. Acta 59, 2513-2526.
29. Ludwig K. R. (1988) A computer program to convert raw U-Th-Pb isotope ratios to blank-corrected isotope ratios and concentrations with associated error-correlations. USGS Open-file Report OF-88-0557.
30. Ludwig K. R. and Silver L. T. (1977) Lead-isotope inhomogeneity in Precambrian igneous K-feldspars. Geochim. Cosmochim. Acta 41, 1457-1471.
31. Mattinson J. M. (1994) A study of complex discordance in zircons using step-wise dissolution techniques. Contributions to Mineral. and Petrol. 116, 117-129.
32. Mezger K, Hanson G. N., and Bohlen S. R. (1989) U-Pb systematics of garnet: dating the growth of garnet in the Late archean Pikwitonei granulite domain at cauchon and Natawahunan lakes, Manitoba, Canada. Contributions to Mineral. and Petrol. 101, 136-148.
33. Montel J.-M., Veschambre M., and Nicollet C. (1994) Datation de la monazite à la microsonde électronique. Compte Rendue de l'Académie Science de Paris 318, 1489-1495.
34. Nägler Th. F., Pettke T., and Marshall D. (1995a) Initial isotopic heterogeneity and secondary disturbance of the Sm-Nd system in fluorites and fluid inclusions: A study on mesothermal veins from the central and western Swiss Alps. Chem. Geol. 125, 241-248.
35. Nägler Th. F., Holzer L., and Frei R. (1995b) Nd and Pb in monazite inclusions within polymetamorphic garnets: hell or heaven? EOS, Transactions, AGU, Fall Meeting, 11-15 December 1995, 76/46, F707(Abstr.).
36. Nägler Th. F., Holzer L., and Frei R. (1996) What dominates the Nd and Pb characteristics of garnet? Journal of Conference Abstracts, Sixth V.M. Goldschmidt Conference, 31 March-4 April, Heidelberg, Germany, 1, 424.
37. Prozesky V. M.et al. (1995) The NAC nuclear microprobe facility. Nuclear Instrument Methods B104, 36-42.
38. 146Nd, a natural tracer: An application to oceanic basalts. Earth Planet. Sci. Lett. 31, 269-278.
39. Ryan C. G. and Jamieson D. (1993) Dynamic analysis: on-line quantitative PIXE microanalysis and its use in overlap-resolved elemental mapping. Nuclear Instrument Methods B77, 203-214.
40. Ryan C. G., Cousens D. R., Sie S. H., Griffin W. L., and Suter G. F. (1990a) Quantitative PIXE microanalysis of geological materials using the CSIRO proton microprobe. Nuclear Instrument Methods, B49, 271-276.
41. Ryan C. G., Cousins D. R., and Sie S. H. (1990b) Quantitative analysis of PIXE spectra in geoscience applications. Nuclear Instruments Methods B49, 271-276.
42. Schott J. and Berner R. A. (1983) X-ray photoelectron studies of the mechanism of iron silicate dissolution during weathering. Geochim. Cosmochim. Acta 47, 2233-2240.
43. Shannon R.D. and Prewitt C.D. (1970) Revised values of effective ionic radii. Acta Crystallographica B26, 1046-1048.
44. Smith D. C. and Lappin M. A. (1982). Aluminium-and fluorine-rich sphene and clino-amphibole in the Liset eclogite pod, Norway. Terra Cognita 2, 317.
45. Tapper U. A. S.et al. (1993) High-brightness proton beams at the NAC nuclear microprobe. Nuclear Instruments Methods B77, 1724.
46. Vance D., Belshaw N. S., and O'Nions R. K. (1991) U-Pb chronometry of metamorphic garnets: a comparison of TIMS analysis of garnet and high resolution SIMS analysis of U-rich inclusions. EOS 72, 560.
47. Vinyu M. L., Frei R., and Jelsma H. A. (1996) Timing between granitoid emplacement and associated gold mineralization: examples from the ca. 2.7 Ga Harare-Shamva greenstone belt, Northern Zimbabwe. Canadian J. Earth Sci. 33, 981-992.
48. Whittaker E. J. W and Muntus R. (1970) Ionic radii for use in geochemistry. Geochim. Cosmochim. Acta 34, 945-956.
49. Zhou B. and Hensen B. J. (1995) Inherited Sm/Nd isotope components preserved in monazite inclusions within garnets in leucogneiss from East Antarctica and implications for closure temperature studies. Chem. Geol. 121, 317-326.