{"id":7889,"date":"2022-09-14T15:21:29","date_gmt":"2022-09-14T15:21:29","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?p=7889"},"modified":"2022-09-15T09:00:30","modified_gmt":"2022-09-15T09:00:30","slug":"imposant-filon-de-quartz-en-mongolie","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2022\/09\/14\/imposant-filon-de-quartz-en-mongolie\/","title":{"rendered":"Imposant filon de quartz en Mongolie"},"content":{"rendered":"

Pr\u00e8s de la vall\u00e9e de la rivi\u00e8re Orkhon en Mongolie, vu un imposant filon de quartz.<\/p>\n

\"\"Imposant filon de quartz, pr\u00e8s de la vall\u00e9e de la rivi\u00e8re Orkhon en Mongolie. Jacques-Marie Bardintzeff, g\u00e9ologue et volcanologue, donne l\u2019\u00e9chelle, 22\/7\/2022 (\u00a9 Danielle Roze).<\/p>\n

<\/p>\n

La silice (SiO2<\/sub>) s\u2019est concentr\u00e9e dans un fluide tardi-magmatique et s\u2019est d\u00e9pos\u00e9e dans une fissure sous forme de quartz. Le filon, dur et r\u00e9sistant, a ensuite \u00e9t\u00e9 d\u00e9gag\u00e9 par l\u2019\u00e9rosion.<\/p>\n

\"\"Filon de quartz, pr\u00e8s de la vall\u00e9e de la rivi\u00e8re Orkhon, Mongolie (\u00a9 J.M. Bardintzeff).<\/p>\n

\"\"<\/p>\n

Le m\u00eame filon de quartz, vu sous un autre angle (\u00a9 J.M. Bardintzeff).<\/p>\n

Voir aussi un autre filon de quartz en Vend\u00e9e, mon blog du 26\/2\/2017\u00a0:<\/p>\n

https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/02\/26\/des-volcans-en-vendee\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Pr\u00e8s de la vall\u00e9e de la rivi\u00e8re Orkhon en Mongolie, vu un imposant filon de quartz. Imposant filon de quartz, pr\u00e8s de la vall\u00e9e de la rivi\u00e8re Orkhon en Mongolie. Jacques-Marie Bardintzeff, g\u00e9ologue et volcanologue, donne l\u2019\u00e9chelle, 22\/7\/2022 (\u00a9 Danielle Roze).<\/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":[855,2411,2495,2060,1847],"class_list":["post-7889","post","type-post","status-publish","format-standard","hentry","category-actualites","category-voyages","tag-filon","tag-mongolie","tag-orkhon","tag-quartz","tag-silice"],"yoast_head":"\nImposant filon de quartz en Mongolie, 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\/2022\/09\/14\/imposant-filon-de-quartz-en-mongolie\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Imposant filon de quartz en Mongolie, par Jacques-Marie Bardintzeff\" \/>\n<meta property=\"og:description\" content=\"Pr\u00e8s de la vall\u00e9e de la rivi\u00e8re Orkhon en Mongolie, vu un imposant filon de quartz. 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