Articles | Volume 4, issue 1
Geochronology, 4, 227–250, 2022
https://doi.org/10.5194/gchron-4-227-2022
Geochronology, 4, 227–250, 2022
https://doi.org/10.5194/gchron-4-227-2022
Research article
21 Apr 2022
Research article | 21 Apr 2022

Calcite U–Pb dating of altered ancient oceanic crust in the North Pamir, Central Asia

Johannes Rembe et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • CC1: 'RC – Comment on gchron-2021-27', Dimitry Konopelko, 03 Oct 2021
    • AC1: 'Reply on CC1', Johannes Rembe, 06 Oct 2021
  • RC1: 'Comment on gchron-2021-27', Alexander Robinson, 05 Oct 2021
    • AC2: 'Reply on RC1', Johannes Rembe, 06 Oct 2021
  • RC2: 'Comment on gchron-2021-27', Anonymous Referee #2, 17 Dec 2021
    • AC3: 'Reply on RC2', Johannes Rembe, 11 Jan 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to revisions (further review by editor and referees) (11 Jan 2022) by Daniela Rubatto
AR by Johannes Rembe on behalf of the Authors (15 Mar 2022)  Author's response    Manuscript
ED: Publish as is (21 Mar 2022) by Daniela Rubatto
ED: Publish subject to technical corrections (22 Mar 2022) by Klaus Mezger(Editor)
AR by Johannes Rembe on behalf of the Authors (29 Mar 2022)  Author's response    Manuscript
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Short summary
Calcite is frequently formed during alteration processes in the basaltic, uppermost layer of juvenile oceanic crust. Weathered oceanic basalts are hard to date with conventional radiometric methods. We show in a case study from the North Pamir, Central Asia, that calcite U–Pb age data, supported by geochemistry and petrological microscopy, have potential to date sufficiently old oceanic basalts, if the time span between basalt extrusion and latest calcite precipitation (~ 25 Myr) is considered.