{"id":41584,"date":"2026-05-03T19:25:44","date_gmt":"2026-05-03T17:25:44","guid":{"rendered":"https:\/\/karmaka.de\/?p=41584"},"modified":"2026-05-03T19:25:45","modified_gmt":"2026-05-03T17:25:45","slug":"fusion-crust-of-stony-meteorites-from-the-observation-spectrum-to-the-initial-meteoroid-matter","status":"publish","type":"post","link":"https:\/\/karmaka.de\/?p=41584","title":{"rendered":"Fusion crust of stony meteorites: From the observation spectrum to the initial meteoroid matter"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Evgeniya V. Petrova, Victor I. Grokhovsky, Anna Kartashova<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Icarus, In Press, Journal Pre-proof, Available online 3 May 2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0019103526002137\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>LINK<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8220;Highlights<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The type of substance can be determined by the radiation spectrum of a meteorite.<\/li>\n\n\n\n<li>The ablation simulations produced an artificial fusion crust that has a similar texture and composition as the fusion crust of natural origin.<\/li>\n\n\n\n<li>We noticed that elements heavier than Ni and Co can be concentrated in the fusion crust of chondrites.<\/li>\n\n\n\n<li>In the spectra of the fall of stony meteoroids, both with the spectra from the ground simulation ablation experiments, the lines corresponding to Fe, Na, K, Cr are observed.&#8221;<\/li>\n<\/ul>\n\n\n\n<p class=\"justify-text wp-block-paragraph\">&#8220;Fragmentation, ablation and significant loss of mass occur when the meteoroid passes through the Earth&#8217;s atmosphere. There a combined action of melting and shearing takes place, so a fusion crust is forming on the surface of the fragments. It combined a subsurface layer of heated matter and an outer layer consisting of remaining melted meteoroid substance.<br>In this publication we focused on the process of ablation from different points of view: i \u2013 registered spectra of fireballs; ii &#8211; fusion crust composition study; iii \u2013 ablation modeling ground experiments.&#8221;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Evgeniya V. Petrova, Victor I. Grokhovsky, Anna Kartashova Icarus, In Press, Journal Pre-proof, Available online 3 May 2026 LINK &#8220;Highlights &#8220;Fragmentation, ablation and significant loss of mass occur when the meteoroid passes through the Earth&#8217;s&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55,96,7,97],"tags":[871,1032,3482,3483,3711,1807,5473],"class_list":["post-41584","post","type-post","status-publish","format-standard","hentry","category-chondrite-components","category-meteormeteoroidbolide","category-chondrite","category-sightings-instrumental-recordings","tag-ablation","tag-fusion-crust","tag-meteor-spectra","tag-meteor-spectroscopy","tag-meteoroid-ablation","tag-chondrite","tag-shear-ablation"],"_links":{"self":[{"href":"https:\/\/karmaka.de\/index.php?rest_route=\/wp\/v2\/posts\/41584","targetHints":{"allow":["GET"]}}],"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=41584"}],"version-history":[{"count":1,"href":"https:\/\/karmaka.de\/index.php?rest_route=\/wp\/v2\/posts\/41584\/revisions"}],"predecessor-version":[{"id":41585,"href":"https:\/\/karmaka.de\/index.php?rest_route=\/wp\/v2\/posts\/41584\/revisions\/41585"}],"wp:attachment":[{"href":"https:\/\/karmaka.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=41584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/karmaka.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/karmaka.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}