Issue 5, 2015

Quadrupole LA-ICP-MS U/Pb geochronology of baddeleyite single crystals

Abstract

We present a straightforward method for accurate and precise U/Pb dating of baddeleyite using quadrupole LA-ICP-MS. To establish the validity of our ICP-MS data we used FC-4b baddeleyite from the Duluth complex as external standard, whereas baddeleyite from the Phalaborwa (South Africa) and the Sorkka (SW Finland) intrusions were treated as unknowns. The analytical protocol includes the use of a matrix matched standard, which allows for an accurate downhole-fractionation and laser-induced interelement fractionation correction. The quadrupole ICP-MS results for the Phalaborwa and Sorkka samples analyzed are accurate within error of the published ID-TIMS U/Pb ages and with a precision of 0.3–0.7% (2σ) from concordia ages of ten to twenty analyses per sample. No orientation effects were observed.

Graphical abstract: Quadrupole LA-ICP-MS U/Pb geochronology of baddeleyite single crystals

Article information

Article type
Technical Note
Submitted
03 Nov 2014
Accepted
04 Dec 2014
First published
16 Dec 2014

J. Anal. At. Spectrom., 2015,30, 1191-1196

Quadrupole LA-ICP-MS U/Pb geochronology of baddeleyite single crystals

C. C. Wohlgemuth-Ueberwasser, U. Söderlund, V. Pease and M. K. M. Nilsson, J. Anal. At. Spectrom., 2015, 30, 1191 DOI: 10.1039/C4JA00400K

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements