{"id":899,"date":"2019-01-23T18:24:09","date_gmt":"2019-01-23T17:24:09","guid":{"rendered":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/?page_id=899"},"modified":"2020-09-08T16:07:39","modified_gmt":"2020-09-08T14:07:39","slug":"24-une-formation-continentale","status":"publish","type":"page","link":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/24-une-formation-continentale\/","title":{"rendered":"24 &#8211; Une formation continentale"},"content":{"rendered":"<h6 style=\"text-align: left\"><\/h6>\n<table style=\"height: 72px\" width=\"100%\">\n<tbody>\n<tr>\n<td style=\"text-align: center\" colspan=\"2\" width=\"241\"><span style=\"color: #00ccff\"><a style=\"color: #00ccff\" href=\"http:\/\/u.osmfr.org\/m\/227984\/\"><strong>Coordonn\u00e9es g\u00e9ographiques et GPS du site<\/strong><\/a><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\" width=\"121\"><span style=\"color: #000000\">45\u00b013&#8217;25.83&#8243;N<\/span><\/td>\n<td style=\"text-align: center\" width=\"121\"><span style=\"color: #000000\">0\u00b045&#8217;38.28&#8243;E<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\" width=\"121\"><span style=\"color: #000000\">45,22378<\/span><\/td>\n<td style=\"text-align: center\" width=\"121\"><span style=\"color: #000000\">0,760654<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td align=\"center\" width=\"49%\">\n<p><figure id=\"attachment_900\" aria-describedby=\"caption-attachment-900\" style=\"width: 362px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/Carte-ge\u0301ologique.png\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-900\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/Carte-ge\u0301ologique-267x300.png\" alt=\"\" width=\"362\" height=\"407\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/Carte-ge\u0301ologique-267x300.png 267w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/Carte-ge\u0301ologique.png 495w\" sizes=\"auto, (max-width: 362px) 100vw, 362px\" \/><\/a><figcaption id=\"caption-attachment-900\" class=\"wp-caption-text\">Carte g\u00e9ologique : 1\/50 000 N\u00b0759 \u2013 P\u00c9RIGUEUX-EST<\/figcaption><\/figure><\/td>\n<td align=\"center\" width=\"51%\"><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/Le\u0301gendes.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-906\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/Le\u0301gendes-300x181.png\" alt=\"\" width=\"399\" height=\"241\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/Le\u0301gendes-300x181.png 300w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/Le\u0301gendes.png 570w\" sizes=\"auto, (max-width: 399px) 100vw, 399px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><span style=\"color: #000000\"><strong><u>Description du site<\/u> :<\/strong><\/span><\/p>\n<p><span style=\"color: #000000\"><u>Commune<\/u>\u00a0: Les sept Fonts 24750 Cornille<\/span><\/p>\n<p><span style=\"color: #000000\"><em><u>Type de formation<\/u><\/em>\u00a0:<\/span><\/p>\n<p><span style=\"color: #000000\">L\u2019affleurement correspond \u00e0 une formation d\u00e9tritique terrig\u00e8ne cartographi\u00e9e Fs sur la carte g\u00e9ologique\u00a0au 1\/50 000\u00a0 n\u00b0759 de P\u00e9rigueux-Est. Elle y est d\u00e9crite comme\u00a0: \u00ab\u00a0Formations fluviatiles de hautes terrasses et alluvions des plateaux, sables, graviers et galets dans une matrice tr\u00e8s argileuse (sols marbr\u00e9s)\u00bb.<\/span><\/p>\n<p><span style=\"color: #000000\">Si nous observons dans le d\u00e9tail la composition de ces sables, nous pouvons voir qu\u2019ils sont domin\u00e9s par des galets, des granules de quartz, quelques paillettes de mica, le tout dans une matrice argileuse.<\/span><\/p>\n<p><span style=\"color: #000000\"><em><u>Conditions de formation et pal\u00e9oenvironnement<\/u><\/em>\u00a0:<\/span><\/p>\n<p><span style=\"color: #000000\">Ce sont des sables fluviatiles qui viennent du Massif Central. Ils ne sont pas dat\u00e9s pr\u00e9cis\u00e9ment\u00a0car ils appartiennent souvent \u00e0 des niveaux azo\u00efques, c&#8217;est-\u00e0-dire ne contenant pas de fossiles. Mais, leur mise en place se fait avant l\u2019incision des vall\u00e9es comme celles de l\u2019Isle ou de la Beauronne, donc avant le Mioc\u00e8ne terminal.<\/span><\/p>\n<p><span style=\"color: #000000\">Par ailleurs, sur la carte g\u00e9ologique, nous pouvons remarquer que la formation Fs coiffe les reliefs les plus hauts (lignes de cr\u00eates). Ces formations Fs ont \u00e9t\u00e9 \u00e9rod\u00e9es pour donner naissance aux formations CF et C, qui sont des colluvions issus de cette <strong>\u00e9rosion<\/strong>.<\/span><\/p>\n<figure id=\"attachment_908\" aria-describedby=\"caption-attachment-908\" style=\"width: 1500px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/20180820_180904.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-908 size-full\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/20180820_180904-e1548759735263.jpg\" alt=\"\" width=\"1500\" height=\"2000\" \/><\/a><figcaption id=\"caption-attachment-908\" class=\"wp-caption-text\">Formation continentale_\u00e9chelle1<\/figcaption><\/figure>\n<figure id=\"attachment_909\" aria-describedby=\"caption-attachment-909\" style=\"width: 3024px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/20180820_180942.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-909\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/20180820_180942.jpg\" alt=\"\" width=\"3024\" height=\"4032\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/20180820_180942.jpg 3024w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/20180820_180942-225x300.jpg 225w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/20180820_180942-768x1024.jpg 768w\" sizes=\"auto, (max-width: 3024px) 100vw, 3024px\" \/><\/a><figcaption id=\"caption-attachment-909\" class=\"wp-caption-text\">Formation continentale_\u00e9chelle2<\/figcaption><\/figure>\n<p><span style=\"color: #000000\"><strong><u>Activit\u00e9s envisageables<\/u><\/strong><strong>\u00a0:<\/strong><\/span><\/p>\n<ul>\n<li><span style=\"color: #000000\">Etude d\u2019un paysage actuel et de son model\u00e9 pour comprendre comment il s\u2019est form\u00e9.<\/span><\/li>\n<li><span style=\"color: #000000\">Etude de l\u2019action de l\u2019eau sur un paysage.<\/span><\/li>\n<li><span style=\"color: #000000\">Etude du comportement des roches vis-\u00e0-vis de l\u2019eau et comparaison avec un paysage karstique (lien autres sorties)<\/span><\/li>\n<li><span style=\"color: #000000\">Etude du devenir des produits de l\u2019\u00e9rosion.<\/span><\/li>\n<\/ul>\n<div class=\"mceTemp\"><\/div>\n<p><span style=\"color: #000000\"><strong><u>Capacit\u00e9s et attitudes<\/u> :<\/strong><\/span><\/p>\n<ul>\n<li>Pratiquer une d\u00e9marche d\u2019investigation \u00e0 partir d\u2019un travail de terrain favorisant l\u2019autonomie des \u00e9l\u00e8ves.<\/li>\n<li>Recenser, extraire et organiser des donn\u00e9es de terrain lors d&#8217;une sortie.<\/li>\n<li>Proposer, avec\u00a0 l\u2019aide\u00a0 du\u00a0 professeur,\u00a0 une\u00a0 d\u00e9marche\u00a0 pour\u00a0 r\u00e9soudre\u00a0 un\u00a0 probl\u00e8me\u00a0 ou\u00a0 r\u00e9pondre\u00a0 \u00e0\u00a0 une\u00a0 question de nature scientifique : Comment s\u2019est form\u00e9 ce paysage\u00a0?<\/li>\n<li>proposer une ou des hypoth\u00e8ses pour r\u00e9pondre \u00e0 une question ou un probl\u00e8me<\/li>\n<li>Sorties pluridisciplinaires :\n<ul>\n<li><span style=\"color: #000000\"><u>Coll\u00e8ge cycle 4<\/u>\u00a0: En lien avec <strong>l&#8217;histoire et la g\u00e9ographie.<\/strong>\u00a0 Les paysages qui m&#8217;entourent, composantes g\u00e9ologiques et biologiques d\u2019un paysage \/ composantes naturelles et artificielles<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"color: #000000\"><strong><u>Acc\u00e8s \/ s\u00e9curit\u00e9<\/u>\u00a0:<\/strong><\/span><\/p>\n<p><span style=\"color: #000000\">Le site est localis\u00e9 au lieu dit \u00ab\u00a0 Sept Fonts\u00a0\u00bb au croisement de la D8 et de la C3.<\/span><\/p>\n<p><span style=\"color: #000000\">Il se situe \u00e0 6 Km de P\u00e9rigueux et \u00e0 5 Km du lieu dit \u00ab\u00a0 Les piles\u00a0\u00bb.<\/span><\/p>\n<p><span style=\"color: #000000\">Le bus \u00a0peut se garer le long de la route C3, un peu plus haut que le site, sur la droite. Pour repartir sur la D8, il devra faire demi-tour. La route est peu fr\u00e9quent\u00e9e mais il faut \u00eatre malgr\u00e9 tout \u00eatre prudent car elle n\u2019est pas tr\u00e8s large.<\/span><\/p>\n<div class=\"mceTemp\"><\/div>\n<figure id=\"attachment_910\" aria-describedby=\"caption-attachment-910\" style=\"width: 529px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/Situation.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-910\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/Situation.png\" alt=\"\" width=\"529\" height=\"618\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/Situation.png 529w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/Situation-257x300.png 257w\" sizes=\"auto, (max-width: 529px) 100vw, 529px\" \/><\/a><figcaption id=\"caption-attachment-910\" class=\"wp-caption-text\">Situation et emplacement de l\u2019affleurement (croix rouge) Emplacement possible pour le bus (rond bleu)<\/figcaption><\/figure>\n<figure id=\"attachment_911\" aria-describedby=\"caption-attachment-911\" style=\"width: 862px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/Localisation-du-site.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-911\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/Localisation-du-site.png\" alt=\"\" width=\"862\" height=\"572\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/Localisation-du-site.png 862w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/Localisation-du-site-300x199.png 300w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/01\/Localisation-du-site-768x510.png 768w\" sizes=\"auto, (max-width: 862px) 100vw, 862px\" \/><\/a><figcaption id=\"caption-attachment-911\" class=\"wp-caption-text\">Localisation_site<\/figcaption><\/figure>\n<p><span style=\"color: #000000\"><strong><u>Mots-cl\u00e9s et liens avec les programmes<\/u>\u00a0:<\/strong><\/span><\/p>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td style=\"text-align: center\" colspan=\"2\" width=\"321\"><span style=\"color: #000000\"><strong>Coll\u00e8ge<\/strong><\/span><\/td>\n<td style=\"text-align: center\" colspan=\"2\" width=\"321\"><span style=\"color: #000000\"><strong>Lyc\u00e9e<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\" rowspan=\"3\" width=\"321\"><span style=\"color: #000000\"><strong>Cycle 3<\/strong><\/span><\/td>\n<td style=\"text-align: center\" rowspan=\"3\" width=\"321\"><span style=\"color: #000000\">Identifier les composantes biologiques et g\u00e9ologiques d\u2019un paysage\u00a0&#8211; Paysages, g\u00e9ologie locale, interactions avec l\u2019environnement et le peuplement.<\/span><\/td>\n<td style=\"text-align: center\" rowspan=\"2\" width=\"321\"><span style=\"color: #000000\"><strong>2nde<\/strong><\/span><\/td>\n<td style=\"text-align: left\" width=\"321\"><span style=\"color: #000000\">THEME 2\u00a0\u2013 L\u2019\u00e9rosion, processus et cons\u00e9quences.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\" width=\"321\"><span style=\"color: #000000\">THEME 2\u00a0\u2013 S\u00e9dimentation et milieux de s\u00e9dimentation.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\" width=\"50\"><span style=\"color: #000000\"><strong>Terminale Sp\u00e9cialit\u00e9<\/strong><\/span><\/td>\n<td width=\"271\"><span style=\"color: #000000\">THEME 1B &#8211; A la recherche du pass\u00e9 g\u00e9ologique de notre plan\u00e8te : <\/span><\/p>\n<p style=\"padding-left: 40px\"><span style=\"color: #000000\">\u2022 Le temps et les roches<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"color: #000000\"><strong><u>Bibliographie<\/u>\u00a0:<\/strong><\/span><br \/>\n<span style=\"color: #000000\">Carte g\u00e9ologique : 1\/50 000 N\u00b0759 \u2013 P\u00c9RIGUEUX-EST et sa notice<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Coordonn\u00e9es g\u00e9ographiques et GPS du site 45\u00b013&#8217;25.83&#8243;N 0\u00b045&#8217;38.28&#8243;E 45,22378 0,760654 Description du site : Commune\u00a0: Les sept Fonts 24750 Cornille Type de formation\u00a0: L\u2019affleurement correspond \u00e0 une formation d\u00e9tritique terrig\u00e8ne &#8230;<\/p>\n","protected":false},"author":8,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-899","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-json\/wp\/v2\/pages\/899","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-json\/wp\/v2\/comments?post=899"}],"version-history":[{"count":7,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-json\/wp\/v2\/pages\/899\/revisions"}],"predecessor-version":[{"id":1416,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-json\/wp\/v2\/pages\/899\/revisions\/1416"}],"wp:attachment":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-json\/wp\/v2\/media?parent=899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}