{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Chen X"],"funding":["Swiss National Science Foundation"],"pagination":["36-53"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10801744"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["8(1)"],"pubmed_abstract":["Zircons are found in extraterrestrial rocks from the Moon, Mars, and some differentiated meteorite parent-bodies. These zircons are rare, often of small size, and have been affected by neutron capture induced by cosmic ray exposure. The application of the <sup>176</sup>Lu-<sup>176</sup>Hf decay system to zircons from planetary bodies such as the Moon can help establish the chronology of large-scale differentiation processes such as the crystallization of the lunar magma ocean. Here, we present methods to measure the isotopic composition of Hf of extraterrestrial zircons dated using ID-TIMS U-Pb after chemical abrasion. We introduce a 2-stage elution scheme to separate Hf from Zr while preserving the unused Zr fraction for future isotopic analysis. The effect of neutron capture is also re-e"],"journal":["ACS earth & space chemistry"],"pubmed_title":["Methodologies for <sup>176</sup>Lu-<sup>176</sup>Hf Analysis of Zircon Grains from the Moon and Beyond."],"pmcid":["PMC10801744"],"funding_grant_id":["196955","200020"],"pubmed_authors":["Zhang ZJ","Leya I","Zhang J","Szymanowski D","Chen X","Dauphas N","Schoene B","Barboni M","McKeegan KD"],"additional_accession":[]},"is_claimable":false,"name":"Methodologies for <sup>176</sup>Lu-<sup>176</sup>Hf Analysis of Zircon Grains from the Moon and Beyond.","description":"Zircons are found in extraterrestrial rocks from the Moon, Mars, and some differentiated meteorite parent-bodies. These zircons are rare, often of small size, and have been affected by neutron capture induced by cosmic ray exposure. The application of the <sup>176</sup>Lu-<sup>176</sup>Hf decay system to zircons from planetary bodies such as the Moon can help establish the chronology of large-scale differentiation processes such as the crystallization of the lunar magma ocean. Here, we present methods to measure the isotopic composition of Hf of extraterrestrial zircons dated using ID-TIMS U-Pb after chemical abrasion. We introduce a 2-stage elution scheme to separate Hf from Zr while preserving the unused Zr fraction for future isotopic analysis. The effect of neutron capture is also re-e","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Jan","modification":"2025-04-04T21:16:09.746Z","creation":"2025-04-04T21:16:09.746Z"},"accession":"S-EPMC10801744","cross_references":{"pubmed":["38264084"],"doi":["10.1021/acsearthspacechem.3c00093"]}}