{"id":30843,"date":"2022-07-01T13:46:55","date_gmt":"2022-07-01T11:46:55","guid":{"rendered":"https:\/\/karmaka.de\/?p=30843"},"modified":"2022-07-01T13:46:56","modified_gmt":"2022-07-01T11:46:56","slug":"nucleosynthetic-zinc-isotope-anomalies-reveal-a-dual-origin-of-terrestrial-volatiles","status":"publish","type":"post","link":"https:\/\/karmaka.de\/?p=30843","title":{"rendered":"Nucleosynthetic zinc isotope anomalies reveal a dual origin of terrestrial volatiles<span class=\"badge-status\" style=\"background:#787878\">OPEN ACCESS<\/span>&nbsp;"},"content":{"rendered":"\n<p>Theodor Steller, Christoph Burkhardt, Chun Yang, Thorsten Kleine<\/p>\n\n\n\n<p>Icarus<br>Available online 1 July 202<\/p>\n\n\n\n<p>&#8220;Highlights<\/p>\n\n\n\n<p>\u2022 Nucleosynthetic isotope anomalies for volatile element zinc.<br>\u2022 Same nucleosynthetic NC-CC dichotomy as for non-volatile elements.<br>\u2022 Terrestrial zinc mixture of ~70% NC and\u202f~\u202f30% CC.<br>\u2022 Same mixing proportions for hydrogen and nitrogen.<br>\u2022 Terrestrial volatiles predominantly from inner and not outer Solar System.&#8221;<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0019103522002731\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>LINK (OPEN ACCESS)<\/strong><\/a><\/p>\n\n\n\n<p class=\"justify-text\">&#8220;Determining the provenance of volatile elements in Earth is key for understanding the processes that led to its formation as a habitable planet. We show that the moderately volatile element zinc exhibits an isotopic dichotomy between non\u2011carbonaceous and carbonaceous meteorites, which presumably derive from the inner and outer Solar System, respectively. Terrestrial zinc has an intermediate isotopic composition, demonstrating that Earth accreted about 70% of its zinc from inner Solar System bodies. Using literature data, we find the same proportions for the more volatile elements hydrogen and nitrogen, suggesting Earth&#8217;s volatile elements predominantly derive from inner Solar System objects and not, as often assumed, from the outer Solar System. Thus, Earth may have evolved to a habitable planet even without the contributions it received from the outer Solar System.&#8221;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Theodor Steller, Christoph Burkhardt, Chun Yang, Thorsten Kleine IcarusAvailable online 1 July 202 &#8220;Highlights \u2022 Nucleosynthetic isotope anomalies for volatile element zinc.\u2022 Same nucleosynthetic NC-CC dichotomy as for non-volatile elements.\u2022 Terrestrial zinc mixture of ~70%&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[72,112,71],"tags":[80,3152,4857,369,1692,5660],"_links":{"self":[{"href":"https:\/\/karmaka.de\/index.php?rest_route=\/wp\/v2\/posts\/30843"}],"collection":[{"href":"https:\/\/karmaka.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/karmaka.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/karmaka.de\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/karmaka.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=30843"}],"version-history":[{"count":1,"href":"https:\/\/karmaka.de\/index.php?rest_route=\/wp\/v2\/posts\/30843\/revisions"}],"predecessor-version":[{"id":30844,"href":"https:\/\/karmaka.de\/index.php?rest_route=\/wp\/v2\/posts\/30843\/revisions\/30844"}],"wp:attachment":[{"href":"https:\/\/karmaka.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=30843"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/karmaka.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=30843"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/karmaka.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=30843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}