{"id":597621,"date":"2019-03-26T06:15:44","date_gmt":"2019-03-26T10:15:44","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20190001827"},"modified":"2019-03-26T06:15:44","modified_gmt":"2019-03-26T10:15:44","slug":"electron-beam-damage-in-apatite-limitations-for-ska-measurements-of-s6s","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=597621","title":{"rendered":"Electron Beam Damage in Apatite: Limitations for SKa Measurements of S6+\/?S"},"content":{"rendered":"<p>Abstract:  In magmatic systems, the availabil- ity of excess oxygen that can react with multivalent elements such as Fe and S to change their charge (oxi- dation of Fe2+ to Fe3+ or reduction of S6+ to S2-) is characterized by a parameter called the oxygen fugacity (\u0192O2). The \u0192O2 controls the availability of these ions and consequently the minerals\u2014and the chemistry of those minerals\u2014that crystallize from a melt. Mineral mode and chemistry control how magmas evolve, and given that \u0192O2 varies by many ord&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract:  In magmatic systems, the availabil- ity of excess oxygen that can react with multivalent elements such as Fe and S to change their charge (oxi- dation of Fe2+ to Fe3+ or reduction of S6+ to S2-) is characterized by a parameter called the oxygen fugacity (&fnof;O2). The &fnof;O2 controls the availability of these ions and consequently the minerals&mdash;and the chemistry of those minerals&mdash;that crystallize from a melt. Mineral mode and chemistry control how magmas evolve, and given that &fnof;O2 varies by many ord&#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-597621","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/597621","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=597621"}],"version-history":[{"count":2,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/597621\/revisions"}],"predecessor-version":[{"id":609312,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/597621\/revisions\/609312"}],"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=597621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=597621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=597621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}