{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["4"],"submitter":["Xing GF"],"pubmed_abstract":["Zircons are crucial to understanding the first 500 Myr of crustal evolution of Earth. Very few zircons of this age (>4050 Ma) have been found other than from a ~300 km diameter domain of the Yilgarn Craton, Western Australia. Here we report SIMS U-Pb and O isotope ratios and trace element analyses for two ~4100 Ma detrital zircons from a Paleozoic quartzite at the Longquan area of the Cathaysia Block. One zircon ((207)Pb/(206)Pb age of 4127 ± 4 Ma) shows normal oscillatory zonation and constant oxygen isotope ratios (δ(18)O = 5.8 to 6.0‰). The other zircon grain has a ~4100 Ma magmatic core surrounded by a ~4070 Ma metamorphic mantle. The magmatic core has elevated δ(18)O (7.2 ± 0.2‰), high titanium concentration (53 ± 3.4 ppm) and a positive cerium anomaly, yielding anomalously high calcu"],"journal":["Scientific reports"],"pagination":["5143"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC4042129"],"repository":["biostudies-literature"],"pubmed_title":["Diversity in early crustal evolution: 4100 Ma zircons in the Cathaysia Block of southern China."],"pmcid":["PMC4042129"],"pubmed_authors":["Wang XL","Jiang Y","Ushikubo T","Gopon P","Wan Y","Xing GF","Chen ZH","Kitajima K"],"additional_accession":[]},"is_claimable":false,"name":"Diversity in early crustal evolution: 4100 Ma zircons in the Cathaysia Block of southern China.","description":"Zircons are crucial to understanding the first 500 Myr of crustal evolution of Earth. Very few zircons of this age (>4050 Ma) have been found other than from a ~300 km diameter domain of the Yilgarn Craton, Western Australia. Here we report SIMS U-Pb and O isotope ratios and trace element analyses for two ~4100 Ma detrital zircons from a Paleozoic quartzite at the Longquan area of the Cathaysia Block. One zircon ((207)Pb/(206)Pb age of 4127 ± 4 Ma) shows normal oscillatory zonation and constant oxygen isotope ratios (δ(18)O = 5.8 to 6.0‰). The other zircon grain has a ~4100 Ma magmatic core surrounded by a ~4070 Ma metamorphic mantle. The magmatic core has elevated δ(18)O (7.2 ± 0.2‰), high titanium concentration (53 ± 3.4 ppm) and a positive cerium anomaly, yielding anomalously high calcu","dates":{"release":"2014-01-01T00:00:00Z","publication":"2014 Jun","modification":"2025-04-21T20:02:57.739Z","creation":"2019-03-27T01:29:20Z"},"accession":"S-EPMC4042129","cross_references":{"pubmed":["24888297"],"doi":["10.1038/srep05143"]}}