{"id":14563,"date":"2017-01-27T00:00:53","date_gmt":"2017-01-26T23:00:53","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=14563"},"modified":"2017-01-16T19:16:51","modified_gmt":"2017-01-16T18:16:51","slug":"des-hommes-presents-en-amerique-du-nord-il-y-a-24-000-ans","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/des-hommes-presents-en-amerique-du-nord-il-y-a-24-000-ans\/","title":{"rendered":"Des hommes pr\u00e9sents en Am\u00e9rique du Nord il y a 24.000 ans"},"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>Des vestiges osseux mis au jour \u00e0 Blue Fish Cave, des grottes situ\u00e9es au Canada, prouvent que des hommes avaient atteint l\u2019Am\u00e9rique du Nord 10 000 ans plus t\u00f4t qu\u2019on ne pensait.<\/p>\n<p>L\u2019arriv\u00e9e ancienne des premiers hommes en Am\u00e9rique fait un bond dans le temps\u2026 de 10 000 ans ! L\u2019origine de la pr\u00e9sence humaine sur le continent nord am\u00e9ricain remonterait en effet \u00e0 24 000 ans, et non \u00e0 14 000 ans selon les estimations classiques. Cette nouvelle datation apportant de l\u2019eau au moulin des partisans d\u2019une occupation tr\u00e8s ancienne en Am\u00e9rique du Nord, ce sujet \u00e9tant r\u00e9guli\u00e8rement un th\u00e8me de discorde au sein de la communaut\u00e9 scientifique. C\u2019est en \u00e9tudiant les vestiges osseux mis au jour \u00e0 Blue Fish Cave (les grottes du Poisson Bleu) sur les rives de la Blue Fish, dans le nord-ouest du Yukon, qu\u2019Ariane Burke et Lauriane Bourgeon du d\u00e9partement d\u2019Anthropologie de l\u2019Universit\u00e9 de Montr\u00e9al (Canada), ont fait leur d\u00e9couverte. Des milliers de fragments d\u2019os de mammouths, bisons, caribous et surtout de chevaux &#8211; animaux typiques de la faune pl\u00e9istoc\u00e8ne* &#8211; avaient \u00e9t\u00e9 exhum\u00e9s entre 1977 et 1987 par l\u2019arch\u00e9ologue canadien Jacques Cinq-Mars et conserv\u00e9s au Mus\u00e9e de l\u2019histoire de Gatineau, \u00e0 Qu\u00e9bec.<\/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>Des entailles en forme de V seraient dues \u00e0 des outils de pierre taill\u00e9e<\/p>\n<p>Mais c\u2019est en les r\u00e9examinant \u00e0 l\u2019aide d\u2019un st\u00e9r\u00e9omiscroscope (loupe binoculaire \u00e0 haute r\u00e9solution) que Lauriane Bourgeon y a identifi\u00e9 d\u2019incontestables traces d\u2019interventions humaines, comme le rapporte un article publi\u00e9 le 6 janvier 2017 dans la revue PLOS One. Des entailles en forme de V sur les surfaces osseuses qui seraient dues \u00e0 des outils de pierre taill\u00e9e. Des microlames avaient en effet \u00e9t\u00e9 retrouv\u00e9es en quantit\u00e9 dans le site. Elles auraient servi \u00e0 couper et trancher les chairs et cartilages lors du d\u00e9pe\u00e7age des carcasses. Quinze \u00e9chantillons d\u2019os comportaient des modifications imputables \u00e0 ces activit\u00e9s humaines, tandis qu\u2019une vingtaine d\u2019autres ont \u00e9t\u00e9 class\u00e9es comme hautement probables.<\/p>\n<p>source :&nbsp;<a href=\"http:\/\/www.sciencesetavenir.fr\/archeo-paleo\/archeologie\/des-hommes-deja-en-amerique-du-nord-il-y-a-24-000-ans_109767\" target=\"_blank\">http:\/\/www.sciencesetavenir.fr\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"14563\">(487)<\/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>Des vestiges osseux mis au jour \u00e0 Blue Fish Cave, des grottes situ\u00e9es au Canada, prouvent que des hommes avaient&#8230;<\/p>\n","protected":false},"author":1,"featured_media":14564,"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_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":"Des hommes pr\u00e9sents en Am\u00e9rique du Nord il y a 24.000 ans @laterredufutur","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},"jetpack_post_was_ever_published":false},"categories":[33],"tags":[6294,189,2438,730,5551],"class_list":["post-14563","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-archeologie","tag-24000-ans","tag-amerique-du-nord","tag-archeologie","tag-hommes","tag-os","wpcat-33-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/01\/os-amerique-du-nord-hommes-24000ans.jpg?fit=1000%2C750&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-3MT","jetpack-related-posts":[{"id":16162,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-village-plus-ancien-de-10-000-ans-que-les-pyramides-a-ete-decouvert-au-canada\/","url_meta":{"origin":14563,"position":0},"title":"Un village plus ancien de 10 000 ans que les pyramides a \u00e9t\u00e9 d\u00e9couvert au Canada !","author":"Admin","date":"4 janvier 2018","format":false,"excerpt":"L\u2019\u00eele de Triquet, au Canada, semble abriter des secrets aussi anciens que la civilisation humaine. Lors de r\u00e9centes fouilles, un village vieux de 14 000 ans a \u00e9t\u00e9 d\u00e9couvert, remettant en question de nombreuses th\u00e8ses jusqu\u2019ici \u00e9rig\u00e9es en v\u00e9rit\u00e9 g\u00e9n\u00e9rale. Il pourrait bien s\u2019agir de la plus vieille trace humaine\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\/12\/village-antique-canada.jpg?fit=1024%2C415&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/12\/village-antique-canada.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/12\/village-antique-canada.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/12\/village-antique-canada.jpg?fit=1024%2C415&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":21141,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-premiers-hommes-damerique-seraient-arrives-il-y-a-plus-de-30000-ans-chapitre-1\/","url_meta":{"origin":14563,"position":1},"title":"Les premiers hommes d&rsquo;Am\u00e9rique seraient arriv\u00e9s il y a plus de 30000 ans &#8211; Chapitre 1","author":"Admin","date":"31 juillet 2020","format":false,"excerpt":"En fouillant une grotte dans le nord du Mexique, des arch\u00e9ologues ont mis au jour des centaines d\u2019outils en pierre taill\u00e9e, remontant jusqu\u2019\u00e0 33.000 ans avant notre \u00e8re. C\u2019est une d\u00e9couverte majeure pour le monde de l\u2019arch\u00e9ologie. Le peuplement de l' Am\u00e9rique du Nord, dernier continent \u00e0 avoir \u00e9t\u00e9 occup\u00e9\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\/2020\/07\/camp-amerindiens.jpg?fit=1072%2C720&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/camp-amerindiens.jpg?fit=1072%2C720&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/camp-amerindiens.jpg?fit=1072%2C720&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/camp-amerindiens.jpg?fit=1072%2C720&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/camp-amerindiens.jpg?fit=1072%2C720&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":23077,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-empreintes-fossiles-prouvent-que-les-humains-ont-peuple-les-ameriques-des-milliers-dannees-plus-tot-quon-ne-le-pensait\/","url_meta":{"origin":14563,"position":2},"title":"Des empreintes fossiles prouvent que les humains ont peupl\u00e9 les Am\u00e9riques des milliers d&rsquo;ann\u00e9es plus t\u00f4t qu&rsquo;on ne le pensait","author":"Admin","date":"26 septembre 2021","format":false,"excerpt":"Notre esp\u00e8ce a commenc\u00e9 \u00e0 migrer hors d'Afrique il y a environ 100 000 ans. \u00c0 part l'Antarctique, les Am\u00e9riques ont \u00e9t\u00e9 les derniers continents atteints par les humains, les premiers pionniers ayant travers\u00e9 le pont terrestre de B\u00e9ring, aujourd'hui submerg\u00e9, qui reliait autrefois la Sib\u00e9rie orientale \u00e0 l'Am\u00e9rique du\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\/2021\/09\/pieds-fossiles-empreintes-amerique-2.jpg?fit=1200%2C591&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/09\/pieds-fossiles-empreintes-amerique-2.jpg?fit=1200%2C591&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/09\/pieds-fossiles-empreintes-amerique-2.jpg?fit=1200%2C591&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/09\/pieds-fossiles-empreintes-amerique-2.jpg?fit=1200%2C591&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/09\/pieds-fossiles-empreintes-amerique-2.jpg?fit=1200%2C591&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":23528,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-mammouths-et-les-chevaux-anciens-ont-disparu-il-y-a-6000-ans\/","url_meta":{"origin":14563,"position":3},"title":"Les Mammouths et les chevaux anciens ont disparu il y a 6000 ans","author":"Admin","date":"11 d\u00e9cembre 2021","format":false,"excerpt":"Une nouvelle \u00e9tude s'int\u00e9ressant \u00e0 l'ADN recueilli dans le perg\u00e9lisol r\u00e9v\u00e8le que les mammouths et les chevaux anciens d'Am\u00e9rique du Nord auraient disparu il y a 6000 ans, et non 13 000 ans, comme l'affirmaient des \u00e9tudes s'int\u00e9ressant \u00e0 de l'ADN retrouv\u00e9 dans des archives osseuses. Une \u00e9quipe de scientifiques\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\/2015\/04\/mammouth.jpeg?fit=1200%2C900&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/mammouth.jpeg?fit=1200%2C900&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/mammouth.jpeg?fit=1200%2C900&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/mammouth.jpeg?fit=1200%2C900&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/mammouth.jpeg?fit=1200%2C900&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":11161,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-chasseurs-de-mammouths-en-siberie-septentrionale-il-y-a-45-000-ans\/","url_meta":{"origin":14563,"position":4},"title":"Des chasseurs de mammouths en Sib\u00e9rie septentrionale il y a 45 000 ans","author":"Admin","date":"4 mars 2016","format":false,"excerpt":"Un jeune mammouth abattu il y a 45 000 ans sur la berge de la rivi\u00e8re Ienisse\u00ef, en Sib\u00e9rie centrale, t\u00e9moigne que des hommes \u00e9taient d\u00e9j\u00e0 parfaitement adapt\u00e9s aux conditions extr\u00eames du grand Nord \u00e0 cette \u00e9poque. Le mammouth a \u00e9t\u00e9 d\u00e9couvert en Sib\u00e9rie centrale, sur la rive orientale 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\/2016\/02\/mammouth_siberie.jpg?fit=674%2C375&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/02\/mammouth_siberie.jpg?fit=674%2C375&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/02\/mammouth_siberie.jpg?fit=674%2C375&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":21145,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-premiers-americains-etaient-peut-etre-des-neandertaliens-il-y-a-130000-ans-chapitre-2\/","url_meta":{"origin":14563,"position":5},"title":"Les premiers Am\u00e9ricains \u00e9taient peut-\u00eatre des N\u00e9andertaliens il y a 130000 ans &#8211; Chapitre 2","author":"Admin","date":"2 ao\u00fbt 2020","format":false,"excerpt":"Un chapitre extraordinaire vient d'\u00eatre ajout\u00e9 \u00e0 l'histoire des Premiers Am\u00e9ricains. Des d\u00e9couvertes sur un site en Californie sugg\u00e8rent que le Nouveau Monde aurait pu \u00eatre atteint pour la premi\u00e8re fois il y a au moins 130 000 ans - plus de 100 000 ans plus t\u00f4t que pr\u00e9vu. 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