{"id":22875,"date":"2021-08-05T20:31:46","date_gmt":"2021-08-05T18:31:46","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=22875"},"modified":"2021-08-05T20:31:46","modified_gmt":"2021-08-05T18:31:46","slug":"la-crise-de-salinite-messinienne-quand-la-mediterranee-fut-a-sec","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/la-crise-de-salinite-messinienne-quand-la-mediterranee-fut-a-sec\/","title":{"rendered":"La crise de salinit\u00e9 Messinienne, quand la m\u00e9diterran\u00e9e fut \u00e0 sec"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>La crise de salinit\u00e9 messinienne est un \u00e9v\u00e9nement g\u00e9ologique au cours duquel la M\u00e9diterran\u00e9e s&rsquo;est presque enti\u00e8rement ass\u00e9ch\u00e9e, devenant un immense lac sal\u00e9.<\/p>\n<p>Quand est ce que la crise de salinit\u00e9 est survenue ?<\/p>\n<p>La crise de salinit\u00e9 s&rsquo;est produite \u00e0 l&rsquo;\u00e9poque messinienne, il y a environ 6 millions d&rsquo;ann\u00e9es (5,6 millions d&rsquo;ann\u00e9es pour \u00eatre pr\u00e9cis).<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"22877\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/la-crise-de-salinite-messinienne-quand-la-mediterranee-fut-a-sec\/echette-temps-geologique\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/echette-temps-geologique.jpg?fit=400%2C579&amp;ssl=1\" data-orig-size=\"400,579\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"\u00e9chette temps geologique\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/echette-temps-geologique.jpg?fit=400%2C579&amp;ssl=1\" class=\"alignnone size-full wp-image-22877\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/echette-temps-geologique.jpg?resize=400%2C579&#038;ssl=1\" alt=\"\" width=\"400\" height=\"579\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/echette-temps-geologique.jpg?w=400&amp;ssl=1 400w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/echette-temps-geologique.jpg?resize=207%2C300&amp;ssl=1 207w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/p>\n<p>Pourquoi la crise de salinit\u00e9 s&rsquo;est produite<br \/>\nPlusieurs th\u00e9ories ont \u00e9t\u00e9 d\u00e9velopp\u00e9es sur les causes de la crise de salinit\u00e9 messinienne.<\/p>\n<p>La premi\u00e8re th\u00e9orie \u00e9tait bas\u00e9e sur la tectonique des plaques : le mouvement des plaques africaine, arabe et eurasienne a conduit \u00e0 l&rsquo;isolement de la M\u00e9diterran\u00e9e.<\/p>\n<p>Plus tard, d&rsquo;autres chercheurs ont propos\u00e9 une nouvelle hypoth\u00e8se, selon laquelle la fermeture du d\u00e9troit de Gibraltar \u00e9tait due \u00e0 l&rsquo;abaissement du niveau de la mer suite \u00e0 la mont\u00e9e de la calotte glaciaire de l&rsquo;Antarctique.<\/p>\n<p>Une autre th\u00e9orie explique cet \u00e9v\u00e9nement comme \u00e9tant l&rsquo;effet d&rsquo;une combinaison de mouvements tectoniques et de la mont\u00e9e des glaces. Cependant, jusqu&rsquo;\u00e0 pr\u00e9sent, aucune de ces hypoth\u00e8ses n&rsquo;avait \u00e9t\u00e9 \u00e9tay\u00e9e.<\/p>\n<p>Une \u00e9tude publi\u00e9e en 2015 dans la revue Nature (https:\/\/www.nature.com\/articles\/ncomms9765), propos\u00e9e par une \u00e9quipe internationale de chercheurs dont Fabio Florindo de l&rsquo;Institut national de g\u00e9ophysique et de volcanologie (INGV), a fourni une nouvelle th\u00e9orie convaincante.<\/p>\n<p>Cette \u00e9tude fournit la premi\u00e8re preuve g\u00e9ologique du lien entre l&rsquo;expansion de la glace antarctique et la crise messinienne, gr\u00e2ce \u00e0 l&rsquo;\u00e9tude de 60 carottes de s\u00e9diments pr\u00e9lev\u00e9es lors de diff\u00e9rentes campagnes de forage autour de l&rsquo;Antarctique.<\/p>\n<p>En outre, un mod\u00e8le informatique a \u00e9t\u00e9 utilis\u00e9 pour simuler la croissance de la calotte glaciaire de l&rsquo;Antarctique, afin de voir quel impact cette croissance pourrait avoir, en plus de la baisse du niveau des mers.<\/p>\n<p>La simulation a donn\u00e9 des r\u00e9sultats int\u00e9ressants, notamment le fait que, lorsque la M\u00e9diterran\u00e9e s&rsquo;est \u00e9vapor\u00e9e, la cro\u00fbte autour du d\u00e9troit de Gibraltar a commenc\u00e9 \u00e0 s&rsquo;\u00e9lever, en raison de l&rsquo;absence du poids de l&rsquo;eau sus-jacente. Cette situation a dur\u00e9 jusqu&rsquo;\u00e0 ce que la cro\u00fbte commence \u00e0 se d\u00e9tendre et que la calotte glaciaire de l&rsquo;Antarctique fonde.<\/p>\n<figure id=\"attachment_22876\" aria-describedby=\"caption-attachment-22876\" style=\"width: 990px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"22876\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/la-crise-de-salinite-messinienne-quand-la-mediterranee-fut-a-sec\/mer-mediterranee-a-sec-crise-messinienne\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/mer-mediterranee-a-sec-crise-messinienne.jpg?fit=990%2C557&amp;ssl=1\" data-orig-size=\"990,557\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"mer mediterran\u00e9e \u00e0 sec crise messinienne\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;La M\u00e9diterran\u00e9e lorsqu&amp;rsquo;elle a atteint le pic de dessiccation. (Il s&amp;rsquo;agit d&amp;rsquo;une tr\u00e8s grande d\u00e9shydratation de la m\u00e9diterran\u00e9e)&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/mer-mediterranee-a-sec-crise-messinienne.jpg?fit=800%2C450&amp;ssl=1\" class=\"size-full wp-image-22876\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/mer-mediterranee-a-sec-crise-messinienne.jpg?resize=990%2C557&#038;ssl=1\" alt=\"\" width=\"990\" height=\"557\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/mer-mediterranee-a-sec-crise-messinienne.jpg?w=990&amp;ssl=1 990w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/mer-mediterranee-a-sec-crise-messinienne.jpg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/mer-mediterranee-a-sec-crise-messinienne.jpg?resize=800%2C450&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/mer-mediterranee-a-sec-crise-messinienne.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/mer-mediterranee-a-sec-crise-messinienne.jpg?resize=580%2C326&amp;ssl=1 580w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/mer-mediterranee-a-sec-crise-messinienne.jpg?resize=174%2C98&amp;ssl=1 174w\" sizes=\"auto, (max-width: 990px) 100vw, 990px\" \/><figcaption id=\"caption-attachment-22876\" class=\"wp-caption-text\">La M\u00e9diterran\u00e9e lorsqu&rsquo;elle a atteint le pic de dessiccation. (Il s&rsquo;agit d&rsquo;une tr\u00e8s grande d\u00e9shydratation de la m\u00e9diterran\u00e9e)<\/figcaption><\/figure>\n<p>\u00c9vaporation de la M\u00e9diterran\u00e9e : les preuves g\u00e9ologiques<\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p>En 1961, une campagne g\u00e9ophysique d&rsquo;investigation du fond de la mer M\u00e9diterran\u00e9e a r\u00e9v\u00e9l\u00e9 l&rsquo;existence d&rsquo;une couche sismique hautement r\u00e9fl\u00e9chissante et lat\u00e9ralement continue, soulignant une structure g\u00e9ologique \u00e0 une profondeur de 100 \u00e0 200 m\u00e8tres sous le fond de la mer.<\/p>\n<p>Cette couche, appel\u00e9e r\u00e9flecteur M, suit de pr\u00e8s la morphologie du fond marin actuel, pr\u00e9sente des caract\u00e9ristiques uniformes et des vitesses d&rsquo;ondes sismiques \u00e9lev\u00e9es.<\/p>\n<p>Apr\u00e8s une d\u00e9cennie, le forage effectu\u00e9 par le Glomar Challenger (un navire oc\u00e9anographique) lors de la 13\u00e8me campagne du projet DSDP (Deep Sea Drilling Program) a r\u00e9v\u00e9l\u00e9 la nature du r\u00e9flecteur M : il s&rsquo;agit d&rsquo;une couche de s\u00e9diments \u00e9vaporitiques (gypse et sel gemme) pouvant atteindre 3 km d&rsquo;\u00e9paisseur.<\/p>\n<figure id=\"attachment_22878\" aria-describedby=\"caption-attachment-22878\" style=\"width: 711px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"22878\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/la-crise-de-salinite-messinienne-quand-la-mediterranee-fut-a-sec\/glomarchallengerbw-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/GlomarChallengerBW.jpeg?fit=711%2C564&amp;ssl=1\" data-orig-size=\"711,564\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"GlomarChallengerBW\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Le Glomar Challenger, un navire utilis\u00e9 pour l&amp;rsquo;exploration des oc\u00e9ans et les \u00e9tudes de g\u00e9ologie marine.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/GlomarChallengerBW.jpeg?fit=711%2C564&amp;ssl=1\" class=\"size-full wp-image-22878\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/GlomarChallengerBW.jpeg?resize=711%2C564&#038;ssl=1\" alt=\"\" width=\"711\" height=\"564\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/GlomarChallengerBW.jpeg?w=711&amp;ssl=1 711w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/GlomarChallengerBW.jpeg?resize=300%2C238&amp;ssl=1 300w\" sizes=\"auto, (max-width: 711px) 100vw, 711px\" \/><figcaption id=\"caption-attachment-22878\" class=\"wp-caption-text\">Le Glomar Challenger, un navire utilis\u00e9 pour l&rsquo;exploration des oc\u00e9ans et les \u00e9tudes de g\u00e9ologie marine.<\/figcaption><\/figure>\n<p>Quand la M\u00e9diterran\u00e9e s&rsquo;est-elle remplie \u00e0 nouveau ?<\/p>\n<p>Le d\u00e9troit de Gibraltar s&rsquo;est rouvert au d\u00e9but du Plioc\u00e8ne, les eaux de l&rsquo;Atlantique ont inond\u00e9 en grandes quantit\u00e9s par un canal relativement \u00e9troit : cela a pu g\u00e9n\u00e9rer des chutes d&rsquo;eau d&rsquo;une hauteur et d&rsquo;une puissance sup\u00e9rieures \u00e0 toutes les chutes d&rsquo;eau actuelles.<\/p>\n<p>Ce ph\u00e9nom\u00e8ne, appel\u00e9 le \u00ab\u00a0d\u00e9luge zancelien\u00a0\u00bb, a dur\u00e9 relativement peu de temps (quelques centaines \u00e0 un millier d&rsquo;ann\u00e9es). En fait, les preuves g\u00e9ologiques (par exemple, la formation de Trubi), indiquent la pr\u00e9sence de s\u00e9diments marins profonds avec des microfossiles, qui vivaient \u00e0 une grande profondeur, imm\u00e9diatement au-dessus des d\u00e9p\u00f4ts messiniens.<\/p>\n<p>L&rsquo;ouverture du d\u00e9troit de Gibraltar aurait d\u00fb se produire tr\u00e8s rapidement (en termes g\u00e9ologiques) et le remplissage de la M\u00e9diterran\u00e9e a eu lieu en une centaine d&rsquo;ann\u00e9es.<\/p>\n<p>La mine de Realmonte, preuve de la crise messinienne<\/p>\n<p>Les d\u00e9p\u00f4ts de sel gemme form\u00e9s pendant la crise messinienne sont visibles dans la mine de Realmonte, dans la province d&rsquo;Agrigente.<\/p>\n<p>Cette mine est \u00e9galement connue parce qu&rsquo;il y a une cath\u00e9drale de sel o\u00f9 chaque ann\u00e9e, le 4 d\u00e9cembre, une messe est c\u00e9l\u00e9br\u00e9e pour la f\u00eate de Sainte-Barbe (la patronne des g\u00e9ologues).<\/p>\n<figure id=\"attachment_22879\" aria-describedby=\"caption-attachment-22879\" style=\"width: 1024px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"22879\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/la-crise-de-salinite-messinienne-quand-la-mediterranee-fut-a-sec\/mine-de-sel-de-realmonte\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/mine-de-sel-de-realmonte.jpg?fit=1024%2C682&amp;ssl=1\" data-orig-size=\"1024,682\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"mine de sel de realmonte\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;D\u00e9tail de la mine Realmonte&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/mine-de-sel-de-realmonte.jpg?fit=800%2C533&amp;ssl=1\" class=\"size-full wp-image-22879\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/mine-de-sel-de-realmonte.jpg?resize=1024%2C682&#038;ssl=1\" alt=\"\" width=\"1024\" height=\"682\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/mine-de-sel-de-realmonte.jpg?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/mine-de-sel-de-realmonte.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/mine-de-sel-de-realmonte.jpg?resize=800%2C533&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/mine-de-sel-de-realmonte.jpg?resize=768%2C512&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-22879\" class=\"wp-caption-text\">D\u00e9tail de la mine Realmonte<\/figcaption><\/figure>\n<p>Adaptation <a href=\"https:\/\/www.laterredufutur.com\/accueil\/\" target=\"_blank\" rel=\"noopener\">Terra Projects<\/a><\/p>\n<p>Source : <a href=\"https:\/\/www.intrageo.it\/geologia\/crisi-salinita-messiniano\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.intrageo.it\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"22875\">(17480)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>La crise de salinit\u00e9 messinienne est un \u00e9v\u00e9nement g\u00e9ologique au cours duquel la M\u00e9diterran\u00e9e s&rsquo;est presque enti\u00e8rement ass\u00e9ch\u00e9e, devenant un&#8230;<\/p>\n","protected":false},"author":1,"featured_media":22876,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"La crise de salinit\u00e9 Messinienne, quand la m\u00e9diterran\u00e9e fut \u00e0 sec @laterredufutur.com Terra Projects","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[33],"tags":[1252,7695,7474,114,267,1106,2162,241,2034],"class_list":["post-22875","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-archeologie","tag-antarctique","tag-assechement","tag-crise-messinienne","tag-geologie","tag-glace","tag-mer","tag-mer-mediterranee","tag-ocean","tag-sel","wpcat-33-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/mer-mediterranee-a-sec-crise-messinienne.jpg?fit=990%2C557&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-5WX","jetpack-related-posts":[{"id":21395,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-crise-de-salinite-messinienne\/","url_meta":{"origin":22875,"position":0},"title":"La crise de salinit\u00e9 messinienne","author":"Admin","date":"24 septembre 2020","format":false,"excerpt":"La\u00a0crise de salinit\u00e9 messinienne\u00a0est un \u00e9v\u00e9nement g\u00e9ologique au cours duquel la M\u00e9diterran\u00e9e s'est presque compl\u00e8tement ass\u00e9ch\u00e9e, devenant un immense lac sal\u00e9. Le C\u00e9nozo\u00efque, avec ses p\u00e9riodes, ses \u00e9poques et ses \u00e2ges Quand la crise de salinit\u00e9 s'est produite La crise de salinit\u00e9 s'est produite dans le\u00a0Messinien, il y a environ\u2026","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/09\/mediterranee-crise-messinienne.jpg?fit=990%2C557&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/09\/mediterranee-crise-messinienne.jpg?fit=990%2C557&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/09\/mediterranee-crise-messinienne.jpg?fit=990%2C557&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/09\/mediterranee-crise-messinienne.jpg?fit=990%2C557&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":25638,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-immense-canyon-decouvert-en-mediterranee\/","url_meta":{"origin":22875,"position":1},"title":"Un immense canyon d\u00e9couvert en M\u00e9diterran\u00e9e","author":"Admin","date":"25 f\u00e9vrier 2024","format":false,"excerpt":"Un canyon sous-marin long de 10 kilom\u00e8tres et profond de 500 m\u00e8tres a \u00e9t\u00e9 d\u00e9couvert en M\u00e9diterran\u00e9e. Une nouvelle \u00e9tude r\u00e9v\u00e8le qu\u2019il se serait form\u00e9 sous l\u2019eau, il y a 6 millions d\u2019ann\u00e9es, alors que la mer commen\u00e7ait \u00e0 s\u2019ass\u00e9cher. Les fonds marins sont marqu\u00e9s de nombreux reliefs : monts,\u2026","rel":"","context":"Dans &quot;Divers&quot;","block_context":{"text":"Divers","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/divers\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/02\/canyon-sous-marin.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/02\/canyon-sous-marin.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/02\/canyon-sous-marin.jpg?fit=1024%2C1024&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/02\/canyon-sous-marin.jpg?fit=1024%2C1024&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":26408,"url":"https:\/\/www.laterredufutur.com\/accueil\/il-y-a-5-5-millions-dannees-quand-la-mediterranee-sassecha\/","url_meta":{"origin":22875,"position":2},"title":"Il y a 5.5 millions d&rsquo;ann\u00e9es, quand la m\u00e9diterran\u00e9e s&rsquo;ass\u00e9cha !","author":"Admin","date":"21 novembre 2024","format":false,"excerpt":"La M\u00e9diterran\u00e9e a perdu 70% de son eau il y a 5,5 millions d'ann\u00e9es, un ass\u00e8chement spectaculaire d\u00fb \u00e0 une p\u00e9riode de fermeture du d\u00e9troit de Gibraltar, selon une \u00e9tude publi\u00e9e ce lundi 18 novembre 2024. Si ce passage \u00e9tait aujourd'hui bloqu\u00e9, cela entra\u00eenerait une baisse du niveau de la\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/11\/mediterranee.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/11\/mediterranee.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/11\/mediterranee.jpg?fit=1024%2C1024&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/11\/mediterranee.jpg?fit=1024%2C1024&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":15218,"url":"https:\/\/www.laterredufutur.com\/accueil\/il-y-a-53-millions-dannees-la-mediterranee-connu-son-pire-cataclysme-le-plus-benefique\/","url_meta":{"origin":22875,"position":3},"title":"Il y a 5,3 millions d&rsquo;ann\u00e9es, la m\u00e9diterran\u00e9e connu son pire cataclysme le plus b\u00e9n\u00e9fique","author":"Admin","date":"23 mai 2017","format":false,"excerpt":"C'est un cataclysme qui a rempli le bassin m\u00e9diterran\u00e9en il y a 5,3 millions d'ann\u00e9es. Avec un d\u00e9bit estim\u00e9 \u00e0 100 millions de m\u00e8tres cube par heure, il fut si important et rapide que le niveau de l'eau augmentait jusqu'\u00e0 10 m\u00e8tres par jour pour finalement remplir la M\u00e9diterran\u00e9e, alors\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/05\/crise-salinite-messinienne.jpg?fit=850%2C637&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/05\/crise-salinite-messinienne.jpg?fit=850%2C637&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/05\/crise-salinite-messinienne.jpg?fit=850%2C637&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/05\/crise-salinite-messinienne.jpg?fit=850%2C637&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":26837,"url":"https:\/\/www.laterredufutur.com\/accueil\/il-y-a-5-millions-dannees-la-mediterranee-connaissait-le-plus-grand-deluge-de-son-histoire\/","url_meta":{"origin":22875,"position":4},"title":"Il y a 5 millions d&rsquo;ann\u00e9es, la M\u00e9diterran\u00e9e connaissait le plus grand d\u00e9luge de son Histoire","author":"Admin","date":"20 avril 2025","format":false,"excerpt":"Il y a un peu plus de 5 millions d'ann\u00e9es, l'eau de l'oc\u00e9an Atlantique a trouv\u00e9 un passage \u00e0 travers l'actuel d\u00e9troit de Gibraltar. Selon cette th\u00e9orie, l'oc\u00e9an a d\u00e9val\u00e9 plus vite qu'un bolide sur une pente d'un kilom\u00e8tre en direction de la mer M\u00e9diterran\u00e9e vide \u00e0 cette \u00e9poque, creusant\u2026","rel":"","context":"Dans &quot;Ev\u00e8nement Brutal&quot;","block_context":{"text":"Ev\u00e8nement Brutal","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/evenement-brutal\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/11\/mediterranee.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/11\/mediterranee.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/11\/mediterranee.jpg?fit=1024%2C1024&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/11\/mediterranee.jpg?fit=1024%2C1024&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":27333,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-mer-rouge-a-connu-lun-des-evenements-environnementaux-les-plus-extremes-sur-terre-il-y-a-6-millions-dannees\/","url_meta":{"origin":22875,"position":5},"title":"La mer Rouge a connu \u00ab l\u2019un des \u00e9v\u00e9nements environnementaux les plus extr\u00eames sur Terre \u00bb il y a 6 millions d\u2019ann\u00e9es","author":"Admin","date":"13 octobre 2025","format":false,"excerpt":"La mer Rouge est devenue un d\u00e9sert il y a environ 6,2 millions d'ann\u00e9es, avant qu'une inondation massive venue de l'oc\u00e9an Indien ne la transforme \u00e0 nouveau en voie navigable. Le Livre de l'Exode relate une s\u00e9paration miraculeuse de la mer Rouge qui permit \u00e0 Mo\u00efse et aux Isra\u00e9lites de\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/10\/mer-rouge.webp?fit=650%2C366&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/10\/mer-rouge.webp?fit=650%2C366&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/10\/mer-rouge.webp?fit=650%2C366&ssl=1&resize=525%2C300 1.5x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/22875","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/comments?post=22875"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/22875\/revisions"}],"predecessor-version":[{"id":22880,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/22875\/revisions\/22880"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/22876"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=22875"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=22875"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=22875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}