Articles | Volume 4, issue 2
Geochronology, 4, 551–560, 2022
https://doi.org/10.5194/gchron-4-551-2022
Geochronology, 4, 551–560, 2022
https://doi.org/10.5194/gchron-4-551-2022
Short communication/technical note
19 Aug 2022
Short communication/technical note | 19 Aug 2022

Short communication: Mechanism and prevention of irreversible trapping of atmospheric He during mineral crushing

Stephen E. Cox 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
  • RC1: 'Comment on gchron-2021-42', Jonathan Tucker, 24 Feb 2022
    • AC1: 'Reply on RC1', Stephen Cox, 03 May 2022
  • RC2: 'Comment on gchron-2021-42', Pierre-Henri Blard, 18 Mar 2022
    • AC2: 'Reply on RC2', Stephen Cox, 03 May 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (further review by editor) (11 May 2022) by Greg Balco
AR by Stephen Cox on behalf of the Authors (09 Jun 2022)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (14 Jun 2022) by Greg Balco
ED: Publish as is (22 Jun 2022) by Andreas Lang(Editor)
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Short summary
Noble gases are largely excluded from minerals during rock formation, but they are produced by certain radioactive decay schemes and trapped in mineral lattices. However, they are present in the atmosphere, which means that they can be adsorbed or trapped by physical processes. We present details of a troublesome trapping mechanism for helium during sample crushing and show when it can be ignored and how it can be easily avoided during common laboratory procedures.