Stepwise chemical abrasion–isotope dilution–thermal ionization mass spectrometry with trace element analysis of microfractured Hadean zircon

Brenhin Keller, C.; Boehnke, Patrick; Schoene, Blair; Harrison, T. Mark

doi:https://doi.org/10.5194/gchron-1-85-2019

Articles | Volume 1, issue 1

https://doi.org/10.5194/gchron-1-85-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/gchron-1-85-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 1, issue 1

Research article

| Highlight paper

|

11 Dec 2019

Research article | Highlight paper |

| 11 Dec 2019

Stepwise chemical abrasion–isotope dilution–thermal ionization mass spectrometry with trace element analysis of microfractured Hadean zircon

C. Brenhin Keller, Patrick Boehnke, Blair Schoene, and T. Mark Harrison

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Final revised paper (published on 11 Dec 2019)
Supplement to the final revised paper
Preprint (discussion started on 05 Jun 2019)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Comments for authors', Urs Schaltegger, 15 Jun 2019
- AC1: 'Response to Review by Urs Schaltegger', Brenhin Keller, 27 Sep 2019
RC2: 'Review of the manuscript "Stepwise chemical abrasion ID-TIMS-TEA of microfractured Hadean zircon" by Keller et al.', Anonymous Referee #2, 20 Jul 2019
- AC2: 'Response to Review by Referee #2', Brenhin Keller, 28 Sep 2019

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Publish subject to minor revisions (further review by editor) (18 Oct 2019) by Daniela Rubatto

AR by Brenhin Keller on behalf of the Authors (19 Oct 2019) Author's response Manuscript

ED: Publish subject to technical corrections (21 Oct 2019) by Daniela Rubatto

ED: Publish subject to technical corrections (25 Oct 2019) by Klaus Mezger (Editor)

AR by Brenhin Keller on behalf of the Authors (29 Oct 2019) Manuscript

Short summary

The oldest known minerals on Earth are Hadean (> 4.0 Ga) zircons from the Jack Hills, Australia. We present the first application to such Hadean zircons of stepwise chemical abrasion–isotope dilution–thermal ionization mass spectrometry with trace element analysis (stepwise CA-ID-TIMS-TEA). We examine the evolution in the U–Pb age and trace element chemistry of zircon domains accessed by successive chemical abrasion steps in the context of the geologic history of the Jack Hills zircons.