{"id":607,"date":"2018-09-11T09:23:41","date_gmt":"2018-09-11T07:23:41","guid":{"rendered":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/?page_id=607"},"modified":"2020-09-09T16:31:07","modified_gmt":"2020-09-09T14:31:07","slug":"24-travertins","status":"publish","type":"page","link":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/24-travertins\/","title":{"rendered":"24 &#8211; Travertins"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/10\/Logo-EDD-1.png\" alt=\"\" class=\"wp-image-1340\" width=\"50\" height=\"58\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/10\/Logo-EDD-1.png 889w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/10\/Logo-EDD-1-261x300.png 261w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2019\/10\/Logo-EDD-1-768x884.png 768w\" sizes=\"auto, (max-width: 50px) 100vw, 50px\" \/><\/figure>\n\n\n<h6 style=\"text-align: center\">\u00a0<\/h6>\n<table style=\"height: 72px\" width=\"100%\">\n<tbody>\n<tr>\n<td style=\"text-align: center\" colspan=\"2\" width=\"241\"><a href=\"http:\/\/u.osmfr.org\/m\/227984\/\"><span style=\"color: #00ccff\"><strong>Coordonn\u00e9es g\u00e9ographiques et GPS du site<\/strong><\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\" width=\"121\"><span style=\"color: #000000\">45\u00b013&#8217;42.1&#8243;N<\/span><\/td>\n<td style=\"text-align: center\" width=\"121\"><span style=\"color: #000000\">0\u00b059&#8217;08.8&#8243;E<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\" width=\"121\"><span style=\"color: #000000\">45,22836<\/span><\/td>\n<td style=\"text-align: center\" width=\"121\"><span style=\"color: #000000\">0,98578<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"mceTemp\">\u00a0<\/div>\n<div>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td align=\"center\" width=\"49%\">\n<figure id=\"attachment_610\" aria-describedby=\"caption-attachment-610\" style=\"width: 421px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Carte.png\" width=\"421\" height=\"469\" \/><figcaption id=\"caption-attachment-610\" class=\"wp-caption-text\">Carte g\u00e9ologique : 1\/25 000 N\u00b0759 &#8211; PERIGUEUX-EST<\/figcaption><\/figure>\n<\/td>\n<td align=\"center\" width=\"51%\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Le\u0301gende-carte.png\" width=\"463\" height=\"306\" \/><\/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\"><em><u>Roches\u00a0s\u00e9dimentaires<\/u><\/em><em>\u00a0:<\/em> calcaire d\u2019origine continentale \u00e0 aspect concr\u00e9tionn\u00e9, plus ou moins vacuolaire, gris \u00e0 jaun\u00e2tre.<\/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\">Les\u00a0 d\u00e9p\u00f4ts de travertins se forment, par pr\u00e9cipitation naturelle de carbonate de calcium,\u00a0 aux \u00e9mergences de certaines sources et dans les cours d\u2019eau peu profonds \u00e0 petites cascade, comme c\u2019est le cas ici \u00e0 la cascade du Bl\u00e2me. Les eaux circulant dans des karsts (calcaires) se chargent d&#8217;ions HCO<sub>3<\/sub> <sup>&#8211;<\/sup> et Ca<sup>2+<\/sup> en solution. Quand ces eaux arrivent en surface, la pr\u00e9cipitation des carbonates est activ\u00e9e notamment par les turbulences et est accompagn\u00e9e d\u2019une perte de dioxyde de carbone qui est rel\u00e2ch\u00e9 vers l&#8217;atmosph\u00e8re. Cette perte de CO<sub>2<\/sub> d\u00e9place l&#8217;\u00e9quilibre des carbonates &#8220;vers la droite&#8221; (dans l&#8217;\u00e9quation ci-dessous), et entra\u00eene un pr\u00e9cipit\u00e9 de CaCO<sub>3<\/sub>.<\/span><\/p>\n<p style=\"text-align: center\"><span style=\"color: #000000\">2 HCO<sub>3<\/sub> <sup>&#8211;<\/sup> + Ca<sup>2+<\/sup>\u2194 CO<sub>2<\/sub> + CaCO<sub>3<\/sub> + H<sub>2<\/sub>O<\/span><\/p>\n<p><span style=\"color: #000000\">L\u2019aspect caverneux des d\u00e9p\u00f4ts de travertins est d\u00fb en partie \u00e0 la disparition, par fermentation, des d\u00e9bris v\u00e9g\u00e9taux autour desquels le calcaire s\u2019est form\u00e9. Certains travertins peuvent ainsi montrer de tr\u00e8s belles empreintes de plantes (feuilles surtout).<\/span><\/p>\n<figure id=\"attachment_613\" aria-describedby=\"caption-attachment-613\" style=\"width: 3072px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0111.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-613\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0111.jpg\" alt=\"\" width=\"3072\" height=\"4608\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0111.jpg 3072w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0111-200x300.jpg 200w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0111-768x1152.jpg 768w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0111-683x1024.jpg 683w\" sizes=\"auto, (max-width: 3072px) 100vw, 3072px\" \/><\/a><figcaption id=\"caption-attachment-613\" class=\"wp-caption-text\">Cascade du bl\u00e2me<\/figcaption><\/figure>\n<p><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0135.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-614\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0135.jpg\" alt=\"\" width=\"4608\" height=\"3072\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0135.jpg 4608w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0135-300x200.jpg 300w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0135-768x512.jpg 768w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0135-1024x683.jpg 1024w\" sizes=\"auto, (max-width: 4608px) 100vw, 4608px\" \/><\/a><\/p>\n<p>Cascade du bl\u00e2me<\/p>\n<p><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0121.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-615\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0121.jpg\" alt=\"\" width=\"3072\" height=\"4608\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0121.jpg 3072w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0121-200x300.jpg 200w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0121-768x1152.jpg 768w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0121-683x1024.jpg 683w\" sizes=\"auto, (max-width: 3072px) 100vw, 3072px\" \/><\/a><\/p>\n<p>Travertin d\u2019environ 20 cm de long<\/p>\n<p><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0122.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-616\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0122.jpg\" alt=\"\" width=\"4608\" height=\"3072\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0122.jpg 4608w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0122-300x200.jpg 300w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0122-768x512.jpg 768w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/DSC_0122-1024x683.jpg 1024w\" sizes=\"auto, (max-width: 4608px) 100vw, 4608px\" \/><\/a><\/p>\n<p>D\u00e9p\u00f4ts de travertin<\/p>\n<p><span style=\"color: #000000\"><strong><u>Activit\u00e9s envisageables<\/u> :<\/strong><\/span><\/p>\n<ul>\n<li><span style=\"color: #000000\">Etude du paysage karstique en Dordogne\/P\u00e9rigord Blanc.<\/span><\/li>\n<li><span style=\"color: #000000\">Retrouver les conditions de formation des travertins.<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000\"><strong><u>Capacit\u00e9s et attitudes<\/u> :<\/strong><\/span><\/p>\n<ul>\n<li><span style=\"color: #000000\">Pratiquer une d\u00e9marche d\u2019investigation \u00e0 partir d\u2019un travail de terrain favorisant l\u2019autonomie des \u00e9l\u00e8ves.<\/span><\/li>\n<li><span style=\"color: #000000\">Recenser, extraire et organiser des donn\u00e9es de terrain lors d&#8217;une sortie.<\/span><\/li>\n<li><span style=\"color: #000000\">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 se sont former les travertins\u00a0?<\/span><\/li>\n<li><span style=\"color: #000000\">proposer une ou des hypoth\u00e8ses pour r\u00e9pondre \u00e0 une question ou un probl\u00e8me<\/span><\/li>\n<li><span style=\"color: #000000\">Sorties pluridisciplinaires<\/span>\n<ul>\n<li><span style=\"color: #000000\"><u>Coll\u00e8ge cycle 4<\/u>: 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=\"text-decoration: underline;color: #339966\"><strong>Ressources pour l\u2019EDD :<\/strong> <\/span><br \/><span style=\"color: #339966\">Du point de vue de l\u2019impact sur l\u2019environnement, plusieurs pistes de r\u00e9flexion peuvent \u00eatre envisag\u00e9es :<\/span><\/p>\n<p style=\"padding-left: 40px\"><span style=\"color: #339966\"><strong>\u2022 Gestion des milieux et des ressources naturelles<\/strong> : ici milieu aquatique et eau.<\/span><br \/><span style=\"color: #339966\"><strong>\u2022 Pr\u00e9vention contre la pollution : pr\u00e9servation de la qualit\u00e9 de l\u2019eau en lien \u00e9troit avec la biodiversit\u00e9 des \u00e9cosyst\u00e8mes.<\/strong> La pr\u00e9servation des milieux aquatiques, de leur bon fonctionnement et des esp\u00e8ces qui y sont inf\u00e9od\u00e9es, est indispensable \u00e0 la gestion durable de la ressource, et \u00e0 la conciliation des diff\u00e9rents usages de l&#8217;eau.<\/span><\/p>\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 \u00e0 la Forge d\u2019Ans (24640).<\/span><\/p>\n<p><span style=\"color: #000000\">Sortir de P\u00e9rigueux et prendre la direction de Bassillac, le Change puis Cubjac. \u00a0Continuer sur la D5 jusqu\u2019\u00e0 La Forge d\u2019Ans. Avant l\u2019entr\u00e9e du village, vous trouverez un parking sur la gauche o\u00f9 le car peut stationner. Ensuite, il faudra poursuivre \u00e0 pied jusqu\u2019au pont (soit environ 100 m\u00e8tres \u00e0 parcourir), le traverser et prendre la ruelle \u00e0 droite (en jaune sur le plan) o\u00f9 un panneau indique \u00ab\u00a0C201, La Boissi\u00e8re d\u2019Ans 0,7 Km\u00a0\u00bb. Marcher \u00a030 m\u00e8tres environ et vous trouverez l\u2019acc\u00e8s \u00e0 la cascade sur votre droite (voir photo).<\/span><\/p>\n<p><span style=\"color: #000000\">Pr\u00e9voir des bottes pour marcher dans la cascade.<\/span><\/p>\n<figure id=\"attachment_617\" aria-describedby=\"caption-attachment-617\" style=\"width: 854px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Carte-routie\u0300re.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-617\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Carte-routie\u0300re.png\" alt=\"\" width=\"854\" height=\"445\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Carte-routie\u0300re.png 854w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Carte-routie\u0300re-300x156.png 300w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Carte-routie\u0300re-768x400.png 768w\" sizes=\"auto, (max-width: 854px) 100vw, 854px\" \/><\/a><figcaption id=\"caption-attachment-617\" class=\"wp-caption-text\">Situation et emplacement de la cascade du Bl\u00e2me (croix rouge)<\/figcaption><\/figure>\n<figure id=\"attachment_618\" aria-describedby=\"caption-attachment-618\" style=\"width: 941px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Parking.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-618\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Parking.png\" alt=\"\" width=\"941\" height=\"531\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Parking.png 941w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Parking-300x169.png 300w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Parking-768x433.png 768w\" sizes=\"auto, (max-width: 941px) 100vw, 941px\" \/><\/a><figcaption id=\"caption-attachment-618\" class=\"wp-caption-text\">Parking sur la gauche en venant de Cubjac<\/figcaption><\/figure>\n<figure id=\"attachment_619\" aria-describedby=\"caption-attachment-619\" style=\"width: 941px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Acce\u0300s.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-619\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Acce\u0300s.png\" alt=\"\" width=\"941\" height=\"562\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Acce\u0300s.png 941w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Acce\u0300s-300x179.png 300w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Acce\u0300s-768x459.png 768w\" sizes=\"auto, (max-width: 941px) 100vw, 941px\" \/><\/a><figcaption id=\"caption-attachment-619\" class=\"wp-caption-text\">Acc\u00e8s \u00e0 la cascade du bl\u00e2me_prendre \u00e0 droite<\/figcaption><\/figure>\n<figure id=\"attachment_620\" aria-describedby=\"caption-attachment-620\" style=\"width: 454px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Acce\u0300s2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-620\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Acce\u0300s2.png\" alt=\"\" width=\"454\" height=\"625\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Acce\u0300s2.png 454w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-content\/uploads\/sites\/59\/2018\/09\/Acce\u0300s2-218x300.png 218w\" sizes=\"auto, (max-width: 454px) 100vw, 454px\" \/><\/a><figcaption id=\"caption-attachment-620\" class=\"wp-caption-text\">Acc\u00e8s \u00e0 la cascade_dans la ruelle \u00e0 30 m\u00e8tres \u00e0 droite_descendre<\/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\" width=\"321\"><span style=\"color: #000000\"><strong>Cycle 3<\/strong><\/span><\/td>\n<td style=\"text-align: center\" width=\"321\"><span style=\"color: #000000\">Identifier les composantes biologiques et g\u00e9ologiques d\u2019un paysage\u00a0: Paysages, g\u00e9ologie locale, interactions avec l\u2019environnement et le peuplement.<\/span><\/td>\n<td style=\"text-align: center\" width=\"321\"><span style=\"color: #000000\"><strong>2nde<\/strong><\/span><\/td>\n<td style=\"text-align: left\" width=\"321\">THEME 2 \u2013 S\u00e9dimentation et milieux de s\u00e9dimentation.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"color: #000000\"><strong><u>A proximit\u00e9<\/u>\u00a0:<\/strong><\/span><\/p>\n<ul>\n<li><span style=\"color: #000000\"><strong>La grotte de Tourtoirac <\/strong>\u00e0 10 min de route en continuant sur la D5. D\u00e9couverte en\u00a0 1995<\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.grotte-de-tourtoirac.fr\/\">https:\/\/www.grotte-de-tourtoirac.fr\/<\/a><\/p>\n<ul>\n<li><span style=\"color: #000000\"><strong>La forge d\u2019Ans 1690-1870 et les canons de la marine Royale <\/strong><\/span><\/li>\n<\/ul>\n<p><a href=\"http:\/\/la-dordogne-cachee.over-blog.fr\/article-les-forges-d-ans-et-les-canons-de-la-marine-royale-103792039.html\">http:\/\/la-dordogne-cachee.over-blog.fr\/article-les-forges-d-ans-et-les-canons-de-la-marine-royale-103792039.html<\/a><\/p>\n<p><a href=\"http:\/\/laroutedescanons.free.fr\/HISTORIQUE%20LA%20FORGE%20DANS.pdf\">http:\/\/laroutedescanons.free.fr\/HISTORIQUE%20LA%20FORGE%20DANS.pdf<\/a><\/p>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 Coordonn\u00e9es g\u00e9ographiques et GPS du site 45\u00b013&#8217;42.1&#8243;N 0\u00b059&#8217;08.8&#8243;E 45,22836 0,98578 \u00a0 Description du site : Roches\u00a0s\u00e9dimentaires\u00a0: calcaire d\u2019origine continentale \u00e0 aspect concr\u00e9tionn\u00e9, plus ou moins vacuolaire, gris \u00e0 jaun\u00e2tre. &#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-607","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-json\/wp\/v2\/pages\/607","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=607"}],"version-history":[{"count":13,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-json\/wp\/v2\/pages\/607\/revisions"}],"predecessor-version":[{"id":1454,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-json\/wp\/v2\/pages\/607\/revisions\/1454"}],"wp:attachment":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/lithotheque\/wp-json\/wp\/v2\/media?parent=607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}