{"id":540748,"date":"2018-10-31T12:59:56","date_gmt":"2018-10-31T16:59:56","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20180007041"},"modified":"2018-10-31T12:59:56","modified_gmt":"2018-10-31T16:59:56","slug":"chain-formation-as-a-mechanism-for-mass-independent-fractionation-of-sulfur-isotopes-in-the-archean-atmosphere","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=540748","title":{"rendered":"Chain Formation as a Mechanism for Mass-Independent Fractionation of Sulfur Isotopes in the Archean Atmosphere"},"content":{"rendered":"<p>Abstract: The anomalous abundances of sulfur isotopes in ancient sediments provide the strongest evidence for an anoxic atmosphere prior to ~2.45 Ga, but the mechanism for producing this &#8216;mass-independent&#8217; fractionation pattern remains in question. The prevailing hypothesis has been that it is created by differences in the UV photolysis rates of different SO2 isotopologues. We investigate here a recently proposed additional source of fractionation during gas-phase formation of elemental sulfur (S4 and &#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: The anomalous abundances of sulfur isotopes in ancient sediments provide the strongest evidence for an anoxic atmosphere prior to ~2.45 Ga, but the mechanism for producing this &#8216;mass-independent&#8217; fractionation pattern remains in question. The&#8230;<\/p>\n","protected":false},"author":60,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-540748","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/540748","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/60"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=540748"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/540748\/revisions"}],"predecessor-version":[{"id":540749,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/540748\/revisions\/540749"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=540748"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=540748"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=540748"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}