{"id":8691,"date":"2023-03-20T19:24:23","date_gmt":"2023-03-20T19:24:23","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?p=8691"},"modified":"2023-03-22T11:31:22","modified_gmt":"2023-03-22T11:31:22","slug":"geologie-dans-le-bearn-pyrenees","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2023\/03\/20\/geologie-dans-le-bearn-pyrenees\/","title":{"rendered":"G\u00e9ologie dans le B\u00e9arn, Pyr\u00e9n\u00e9es"},"content":{"rendered":"

\u00c0 la suite de mes conf\u00e9rences \u00e0 Pau (voir mon blog du 3\/3\/2023), j\u2019ai \u00e9t\u00e9 gentiment invit\u00e9 par l\u2019association \u00ab\u00a0G\u00e9olVal\u00a0\u00bb (Annie Lacazedieux, pr\u00e9sidente) \u00e0 d\u00e9couvrir la g\u00e9ologie de la r\u00e9gion du B\u00e9arn dans les Pyr\u00e9n\u00e9es. Rendez-vous le vendredi 17 mars 2023 matin, \u00e0 9h30, \u00e0 Oloron-Sainte-Marie avec une douzaine de passionn\u00e9s.<\/p>\n

1er<\/sup> arr\u00eat \u00e0 Ogeu-les-Bains (au lieu-dit Courr\u00e8ges), pour observer de splendides pillow lavas, des laves basaltiques sous-marines, en forme de coussins (ou oreillers), dat\u00e9es d\u2019environ 100 millions d\u2019ann\u00e9es.<\/p>\n

\"\"Jacques-Marie Bardintzeff, g\u00e9ologue et volcanologue, devant les pillow lavas de Ogeu-les-Bains (Courr\u00e8ges), le 17 mars 2023 (\u00a9 J.M. Bardintzeff).<\/p>\n

<\/p>\n

\"\"Lave en coussins (pillow lavas) \u00e0 Ogeu-les-Bains (\u00a9 J.M. Bardintzeff).<\/p>\n

2e<\/sup> arr\u00eat \u00e0 Buzy pour observer une roche magmatique basique assez extraordinaire\u00a0: la tesch\u00e9nite.<\/p>\n

\"\"<\/p>\n

La tesch\u00e9nite de Buzy pr\u00e9sente de grandes aiguilles d\u2019amphibole atteignant 4 cm de long (\u00a9 J.M. Bardintzeff).<\/p>\n

L\u2019apr\u00e8s-midi fut consacr\u00e9e au massif de lherzolite du col d\u2019Urdach. La lherzolite est une p\u00e9ridotite contenant olivine, clinopyrox\u00e8ne et orthopyrox\u00e8ne, d\u00e9crite \u00e0 l\u2019\u00e9tang de Lherz dans les Pyr\u00e9n\u00e9es ari\u00e9geoises.<\/p>\n

\"\"<\/p>\n

La lherzolite du col d\u2019Urdach est une roche tr\u00e8s sombre (\u00a9 J.M. Bardintzeff).<\/p>\n

\"\"<\/p>\n

Un litage min\u00e9ralogique appara\u00eet tr\u00e8s nettement sur cette lherzolite alt\u00e9r\u00e9e (\u00a9 J.M. Bardintzeff).<\/p>\n

\"\"<\/p>\n

La confluence\u00a0! Le gave d\u2019Ossau (\u00e0 droite) rejoint le gave d\u2019Aspe (\u00e0 gauche) pour donner naissance au gave d\u2019Oloron (\u00a9 J.M. Bardintzeff).<\/p>\n

J\u2019ai \u00e9t\u00e9 fait Citoyen d\u2019honneur de la ville d\u2019Oloron-Sainte-Marie le 14\/5\/2004.<\/p>\n

\"\"Herv\u00e9 Lucb\u00e9reilh, maire d’Oloron-Sainte-Marie, remet la m\u00e9daille de la ville \u00e0 Jacques-Marie Bardintzeff (\u00e0 gauche) et \u00e0 Jean-Paul Sav\u00e9 (\u00e0 droite), le 14 mai 2004, \u00e0 l’occasion de l’inauguration de l’exposition “Voyage au centre de la Terre” (\u00a9 Marc Etchenique).<\/p>\n

Voir aussi d\u2019autres pillow lavas dans mon blog des\u00a0:<\/p>\n

7\/2\/2014 (Chypre)<\/p>\n

https:\/\/blogs.futura-sciences.com\/bardintzeff\/2014\/02\/07\/decouverte-de-chypre\/#more-146<\/a><\/p>\n

29\/11\/2014 (Oman)<\/p>\n

https:\/\/blogs.futura-sciences.com\/bardintzeff\/2014\/11\/29\/marcher-fond-oceanique-oman\/#more-453<\/a><\/p>\n

Et la pr\u00e9sentation du G\u00e9oTrain Pyr\u00e9n\u00e9en dans mon blog du 27\/2\/2018\u00a0:<\/p>\n

https:\/\/blogs.futura-sciences.com\/bardintzeff\/2018\/02\/27\/le-geotrain-pyreneen\/#more-3367<\/a><\/p>\n

Le site web de l\u2019association G\u00e9olVal\u00a0: https:\/\/www.geolval.fr\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u00c0 la suite de mes conf\u00e9rences \u00e0 Pau (voir mon blog du 3\/3\/2023), j\u2019ai \u00e9t\u00e9 gentiment invit\u00e9 par l\u2019association \u00ab\u00a0G\u00e9olVal\u00a0\u00bb (Annie Lacazedieux, pr\u00e9sidente) \u00e0 d\u00e9couvrir la g\u00e9ologie de la r\u00e9gion du B\u00e9arn dans les Pyr\u00e9n\u00e9es. Rendez-vous le vendredi 17 mars 2023 matin, \u00e0 9h30, \u00e0 Oloron-Sainte-Marie avec une douzaine de passionn\u00e9s. 1er arr\u00eat \u00e0 Ogeu-les-Bains … Continuer la lecture de G\u00e9ologie dans le B\u00e9arn, Pyr\u00e9n\u00e9es<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[6,8],"tags":[21,2688,2689,2690,2700,2691,1166,2692,2693,2694,2695,33,80,2696,2697,2698],"class_list":["post-8691","post","type-post","status-publish","format-standard","hentry","category-actualites","category-voyages","tag-bardintzeff","tag-bearn","tag-buzy","tag-confluence","tag-courreges","tag-gave","tag-geolval","tag-lacazedieux","tag-lherzolite","tag-ogeu-les-bains","tag-oloron-sainte-marie","tag-pillow-lava","tag-pyrenees","tag-save","tag-teschenite","tag-urdach"],"yoast_head":"\nG\u00e9ologie dans le B\u00e9arn, Pyr\u00e9n\u00e9es, par Jacques-Marie Bardintzeff<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2023\/03\/20\/geologie-dans-le-bearn-pyrenees\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"G\u00e9ologie dans le B\u00e9arn, Pyr\u00e9n\u00e9es, par Jacques-Marie Bardintzeff\" \/>\n<meta property=\"og:description\" content=\"\u00c0 la suite de mes conf\u00e9rences \u00e0 Pau (voir mon blog du 3\/3\/2023), j\u2019ai \u00e9t\u00e9 gentiment invit\u00e9 par l\u2019association \u00ab\u00a0G\u00e9olVal\u00a0\u00bb (Annie Lacazedieux, pr\u00e9sidente) \u00e0 d\u00e9couvrir la g\u00e9ologie de la r\u00e9gion du B\u00e9arn dans les Pyr\u00e9n\u00e9es. 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