Application of the `double spike' technique to Pb-isotope geochronology

Chemical Geology - Tập 138 - Trang 311-321 - 1997
Jon D Woodhead1, Janet M Hergt1
1School of Earth Sciences, The University of Melbourne, Parkville, Vic. 3052, Australia

Tài liệu tham khảo

Brooks, 1972, Realistic use of two-error regression treatments as applied to rubidium–strontium data, Rev. Geophys. Space Phys., 10, 93, 10.1029/RG010i002p00551 Compston, 1969, Lead isotopic analysis using a double spike, J. Geophys. Res., 74, 4338, 10.1029/JB074i017p04338 Cooper, 1969, Double spike calibration of the Broken Hill standard lead, Earth Planet. Sci. Lett., 6, 467, 10.1016/0012-821X(69)90118-6 Dodson, 1963, A theoretical study of the use of internal standards for precise isotopic analysis by the surface ionization technique, Part I. General first-order algebraic solutions, J. Sci. Instrum., 40, 289, 10.1088/0950-7671/40/6/307 Galer, 1989, Pb isotopic tracers of the Cretaceous–Tertiary extinction event, Geophys. Res. Lett., 16, 1301, 10.1029/GL016i011p01301 Hamelin, 1985, Precise lead isotope measurements by the double spike technique: a reconsideration, Geochim. Cosmochim. Acta, 49, 173, 10.1016/0016-7037(85)90202-9 Jahn, B-m and Cuvellier, H., 1994. Pb–Pb and U–Pb geochronology of carbonate rocks: an assessment. Chem. Geol., 115: 125–151. Jahn, B-m and Simonson, B.M., 1995. Carbonate Pb–Pb ages of the Wittenoom Formation and Carawine Dolomite, Hamersley Basin, Western Australia (with implications for their correlation with the Transvaal Dolomite of South Africa). Precambrian Res., 72: 247–261. Ludwig, K.R., 1993. ISOPLOT—a plotting and regression program for radiogenic isotope data. Version 2.7. U.S. Geol. Surv. Open-File Rep., 91-445. Manhes, 1978, Comparitive U–Th–Pb and Rb–Sr study of the St Severin amphoterite: consequences for early solar system chronology, Earth Planet. Sci. Lett., 39, 14, 10.1016/0012-821X(78)90137-1 McDonough, 1991, Sample contamination explains Pb-isotopic composition of some Rurutu island and Sasha seamount basalts, Earth Planet. Sci. Lett., 105, 397, 10.1016/0012-821X(91)90180-P Moorbath, 1987, First direct radiometric dating of Archaean stromatolitic limestone, Nature, 326, 865, 10.1038/326865a0 Oversby, 1973, Redetermination of lead isotopic composition in Canyon Diablo troilite, Geochim. Cosmochim. Acta, 37, 2693, 10.1016/0016-7037(73)90275-5 Oversby, 1972, Lead isotopic compositions of Tonga–Kermadec volcanics and their petrogenetic significance, Contrib. Mineral. Petrol., 37, 181, 10.1007/BF00373068 Russell, J.R., 1992. Investigation of the Potential of Pb/Pb Radiometric Dating for the Direct Age Determination of Carbonates. D. Phil. Thesis (unpublished), University of Oxford. Simonson, 1992, Geological evidence for a strewn field of impact spherules in the early Precambrian Hamersley Basin of Western Australia, Geol. Soc. Am. Bull., 104, 829, 10.1130/0016-7606(1992)104<0829:GEFASF>2.3.CO;2 Tatsumoto, 1992, Sr, Nd, and Pb isotopes in ultramafic xenoliths in volcanic rocks of E. China: enriched components EM-I and EM-II in the sub-continental lithosphere, Earth Planet. Sci. Lett., 113, 107, 10.1016/0012-821X(92)90214-G Todt, 1996, Evaluation of a 202Pb–205Pb double spike for high-precision lead isotope analysis. In: A. Basu and S. Hart (Editors), Earth Processes: Reading the Isotopic Code, Am. Geophys. Union, Geophys. Monogr., 95, 429 Wendt, 1991, The statistical distribution of the mean squared weighted deviation, Chem. Geol., 86, 275 Woodhead, 1995, Routine lead isotope determinations using a 207Pb–204Pb double spike: a long-term assessment of analytical precision and accuracy, Analyst, 120, 35, 10.1039/AN9952000035