Improved accuracy of U-Pb zircon ages by the creation of more concordant systems using an air abrasion technique

Geochimica et Cosmochimica Acta

Volumn 46, Issue 4, 1982, Pages 637-649

  Krogh, T E ^a  

^a DEPARTMENT OF NATURAL HISTORY   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0019998492     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/0016-7037(82)90165-X     Document Type: Article

References (18)

1. 208Pb zircon geochronology in alpine and non-alpine environment
2. A grinder-polisher for fabricating mini-spheres
3. A low contamination method for the hydrothermal decomposition of zircon and extraction of U and Pb for isotopic age determinations
4. The effect of regional metamorphism on U-Pb systems in zircon and a comparison with Rb-Sr systems in the same whole rock and its constituent minerals
5. Alteration in zircons with discordant U-Pb ages
6. 205Pb for use as a tracer for Isotope Dilution Analyses
7. Abrasion techniques and sample selection to enhance concordance and isolate components in simple and multistage Zircon Populations
8. Reduction of Zircon Age Discordance by high gradient separation and Air Abrasion Techniques
9. Improved Accuracy of U-Pb Zircon Dating by Selection of More Concordant Fractions using a High Gradient Magnetic Separation Technique
10. Calculation of uncertainties of U-Pb isotope data
11. The use of cogenetic uranium-lead isotope systems in zircons in geochronology
12. Uranium-lead isotopic variations in zircons a case study
13. Approximation of terrestrial lead isotope evolution by a two-stage model
14. 9 year plutons of different geological histories
15. Volume diffusion as a mechanism for discordant lead ages
16. Diffusion processes in lead uranium systems
17. Discordant uranium-lead ages
18. Discordant uranium-lead ages part 2 discordant ages resulting from diffusion of lead and uranium