{"id":258065,"date":"2026-08-13T03:39:11","date_gmt":"2026-08-13T03:39:11","guid":{"rendered":"https:\/\/www.europesays.com\/ch-fr\/258065\/"},"modified":"2026-08-13T03:39:11","modified_gmt":"2026-08-13T03:39:11","slug":"un-meteorite-martien-decouvert-en-algerie-eclaire-les-origines-de-la-planete-rouge","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ch-fr\/258065\/","title":{"rendered":"Un m\u00e9t\u00e9orite martien d\u00e9couvert en Alg\u00e9rie \u00e9claire les origines de la Plan\u00e8te rouge"},"content":{"rendered":"

\u200bUn fragment d\u2019une valeur scientifique exceptionnelle l\u00e8ve une partie du voile sur le pass\u00e9 g\u00e9ologique de Mars. Nomm\u00e9e Northwest Africa 13441 (NWA 13441), cette m\u00e9t\u00e9orite martienne ramass\u00e9e dans la r\u00e9gion de Tindouf en 2019 a fait l\u2019objet d\u2019une analyse approfondie publi\u00e9e dans la revue internationale\u00a0Geochimica et Cosmochimica Acta. <\/p>\n

R\u00e9alis\u00e9e par une \u00e9quipe multidisciplinaire de chercheurs am\u00e9ricains et britanniques, l\u2019\u00e9tude fixe l\u2019\u00e2ge de la roche \u00e0 1,27 milliard d\u2019ann\u00e9es, une datation qui comble une lacune majeure dans le registre g\u00e9ologique martien.<\/p>\n

Samia Na\u00eft Iqbal<\/p>\n

*L\u2019\u00e9tude scientifique officielle (Revue\u00a0Geochimica et Cosmochimica Acta) :
Seal et al. (2026) \u2013\u00a0Implications for martian mantle reservoirs from petrogenesis of the 1.27 Ga olivine-phyric shergottite Northwest Africa 13441<\/p>\n

https:\/\/oro.open.ac.uk\/110789\/?hl=fr-FR<\/a><\/p>\n

* \u200bLa fiche d\u2019enregistrement et de classification officielle de la m\u00e9t\u00e9orite (Meteoritical Bulletin Database) :
Entry for Northwest Africa 13441 (NWA 13441) \u2013 Lunar and Planetary Institute<\/p>\n

https:\/\/www.lpi.usra.edu\/meteor\/metbull.php?code=72719&hl=fr-FR<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\u200bUn fragment d\u2019une valeur scientifique exceptionnelle l\u00e8ve une partie du voile sur le pass\u00e9 g\u00e9ologique de Mars. Nomm\u00e9e…\n","protected":false},"author":2,"featured_media":258066,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[7],"tags":[9924,8545,4167,12514,61,57,59,58,23,60,62],"class_list":["post-258065","post","type-post","status-publish","format-standard","has-post-thumbnail","category-sciences-et-technologies","tag-algerie","tag-geologie","tag-mars","tag-meteorite","tag-science","tag-science-and-technology","tag-sciences","tag-sciences-et-technologies","tag-suisse","tag-technologies","tag-technology"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@ch_fr\/117086123704685251","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/posts\/258065","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/comments?post=258065"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/posts\/258065\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/media\/258066"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/media?parent=258065"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/categories?post=258065"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/tags?post=258065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}