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We determined the isotope composition of the moderately volatile element zinc in 18 bulk meteorites and identified nucleosynthetic zinc isotope anomalies. Using a mass-balance model, we find that carbonaceous bodies, which likely formed beyond the orbit of Jupiter, delivered about half of Earth\u2019s zinc inventory. Combined with previous constraints obtained from studies of other elements, these results indicate that ~10% of Earth\u2019s mass was provided by carbonaceous material.<\/jats:p>","DOI":"10.1126\/science.abn1021","type":"journal-article","created":{"date-parts":[[2023,1,26]],"date-time":"2023-01-26T18:58:32Z","timestamp":1674759512000},"page":"369-372","update-policy":"https:\/\/doi.org\/10.34133\/aaas_crossmark","source":"Crossref","is-referenced-by-count":53,"title":["Nucleosynthetic isotope anomalies of zinc in meteorites constrain the origin of Earth\u2019s volatiles"],"prefix":"10.1126","volume":"379","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2453-5942","authenticated-orcid":true,"given":"Rayssa","family":"Martins","sequence":"first","affiliation":[{"name":"Department of Earth Science and Engineering, Imperial College London, London SW7 2AZ, UK."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3491-0489","authenticated-orcid":true,"given":"Sven","family":"Kuthning","sequence":"additional","affiliation":[{"name":"Department of Earth Science and Engineering, Imperial College London, London SW7 2AZ, UK."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Barry J.","family":"Coles","sequence":"additional","affiliation":[{"name":"Department of Earth Science and Engineering, Imperial College London, London SW7 2AZ, UK."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katharina","family":"Kreissig","sequence":"additional","affiliation":[{"name":"Department of Earth Science and Engineering, Imperial College London, London SW7 2AZ, UK."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0075-9872","authenticated-orcid":true,"given":"Mark","family":"Rehk\u00e4mper","sequence":"additional","affiliation":[{"name":"Department of Earth Science and Engineering, Imperial College London, London SW7 2AZ, UK."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"221","reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1086\/375492"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1098\/rsta1988.0066"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41561-019-0375-x"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.gca.2006.10.009"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1071\/EN04075"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0012-821X(00)00359-9"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/0016-7037(91)90169-6"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.chemer.2013.09.006"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.1211576"},{"key":"e_1_3_3_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.epsl.2011.08.047"},{"key":"e_1_3_3_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.epsl.2014.09.015"},{"key":"e_1_3_3_13_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41550-019-0779-y"},{"key":"e_1_3_3_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.gca.2015.07.032"},{"key":"e_1_3_3_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.gca.2015.02.013"},{"key":"e_1_3_3_16_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41550-019-0948-z"},{"key":"e_1_3_3_17_2","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.1704461114"},{"key":"e_1_3_3_18_2","doi-asserted-by":"publisher","DOI":"10.1038\/nature20830"},{"key":"e_1_3_3_19_2","doi-asserted-by":"publisher","DOI":"10.1038\/nature25990"},{"key":"e_1_3_3_20_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.epsl.2015.11.036"},{"key":"e_1_3_3_21_2","doi-asserted-by":"crossref","unstructured":"K. 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