{"id":33491,"date":"2024-12-09T14:32:57","date_gmt":"2024-12-09T13:32:57","guid":{"rendered":"https:\/\/www.geoparcorigens.cat\/geologia\/"},"modified":"2025-02-07T15:41:02","modified_gmt":"2025-02-07T14:41:02","slug":"geologia","status":"publish","type":"page","link":"https:\/\/www.geoparcorigens.cat\/fr\/geologia\/","title":{"rendered":"G\u00e9ologie"},"content":{"rendered":"<style>.kb-row-layout-id33491_c34491-ee > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id33491_c34491-ee > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id33491_c34491-ee > .kt-row-column-wrap{column-gap:var(--global-kb-gap-lg, 4rem);row-gap:var(--global-kb-gap-none, 0rem );max-width:var( --global-content-width, 1290px );padding-left:var(--global-content-edge-padding);padding-right:var(--global-content-edge-padding);padding-top:var(--global-kb-spacing-xxl, 5rem);padding-bottom:var(--global-kb-spacing-xxl, 5rem);grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}.kb-row-layout-id33491_c34491-ee > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id33491_c34491-ee > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var(--global-kb-spacing-md, 2rem);grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id33491_c34491-ee > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id33491_c34491-ee alignfull wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-right-golden kt-tab-layout-row kt-mobile-layout-row kt-row-valign-top kb-theme-content-width\">\n<style>.kadence-column33491_124814-6d > .kt-inside-inner-col,.kadence-column33491_124814-6d > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column33491_124814-6d > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column33491_124814-6d > .kt-inside-inner-col{flex-direction:column;}.kadence-column33491_124814-6d > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column33491_124814-6d > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column33491_124814-6d{position:relative;}@media all and (max-width: 1024px){.kadence-column33491_124814-6d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column33491_124814-6d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column33491_124814-6d\"><div class=\"kt-inside-inner-col\"><style>.kb-table-of-content-nav.kb-table-of-content-id33491_0df4d3-90 .kb-table-of-content-wrap{margin-top:0px;padding-top:var(--global-kb-spacing-xxs, 0.5rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);padding-left:var(--global-kb-spacing-sm, 1.5rem);background-color:var(--global-palette1, #3182CE);border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-right-radius:10px;border-bottom-left-radius:10px;}.kb-table-of-content-nav.kb-table-of-content-id33491_0df4d3-90 .kb-table-of-contents-title-wrap{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.kb-table-of-content-nav.kb-table-of-content-id33491_0df4d3-90 .kb-table-of-contents-title{font-weight:regular;font-style:normal;}.kb-table-of-content-nav.kb-table-of-content-id33491_0df4d3-90 .kb-table-of-content-wrap .kb-table-of-content-list{font-weight:regular;font-style:normal;margin-top:var(--global-kb-spacing-sm, 1.5rem);margin-right:0px;margin-bottom:0px;margin-left:0px;}.kb-table-of-content-nav.kb-table-of-content-id33491_0df4d3-90 .kb-toggle-icon-style-basiccircle .kb-table-of-contents-icon-trigger:after, .kb-table-of-content-nav.kb-table-of-content-id33491_0df4d3-90 .kb-toggle-icon-style-basiccircle .kb-table-of-contents-icon-trigger:before, .kb-table-of-content-nav.kb-table-of-content-id33491_0df4d3-90 .kb-toggle-icon-style-arrowcircle .kb-table-of-contents-icon-trigger:after, .kb-table-of-content-nav.kb-table-of-content-id33491_0df4d3-90 .kb-toggle-icon-style-arrowcircle .kb-table-of-contents-icon-trigger:before, .kb-table-of-content-nav.kb-table-of-content-id33491_0df4d3-90 .kb-toggle-icon-style-xclosecircle .kb-table-of-contents-icon-trigger:after, .kb-table-of-content-nav.kb-table-of-content-id33491_0df4d3-90 .kb-toggle-icon-style-xclosecircle .kb-table-of-contents-icon-trigger:before{background-color:var(--global-palette1, #3182CE);}<\/style>\n\n<style>.kb-image33491_b5aea4-77 .kb-image-has-overlay:after{opacity:0.3;}.kb-image33491_b5aea4-77 img.kb-img, .kb-image33491_b5aea4-77 .kb-img img{object-position:53% 15%;}<\/style>\n<div class=\"wp-block-kadence-image kb-image33491_b5aea4-77\"><figure class=\"aligncenter size-full kb-image-is-ratio-size\"><div class=\"kb-is-ratio-image kb-image-ratio-land43\"><img loading=\"lazy\" decoding=\"async\" width=\"666\" height=\"1024\" src=\"https:\/\/www.geoparcorigens.cat\/wp-content\/uploads\/detalls-geologics.jpg\" alt=\"detalls geologics Geoparc Or\u00edgens\" class=\"kb-img wp-image-25024\" srcset=\"https:\/\/www.geoparcorigens.cat\/wp-content\/uploads\/detalls-geologics.jpg 666w, https:\/\/www.geoparcorigens.cat\/wp-content\/uploads\/detalls-geologics-195x300.jpg 195w\" sizes=\"auto, (max-width: 666px) 100vw, 666px\" \/><\/div><\/figure><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column33491_f992b0-42 > .kt-inside-inner-col,.kadence-column33491_f992b0-42 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column33491_f992b0-42 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column33491_f992b0-42 > .kt-inside-inner-col{flex-direction:column;}.kadence-column33491_f992b0-42 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column33491_f992b0-42 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column33491_f992b0-42{position:relative;}@media all and (max-width: 1024px){.kadence-column33491_f992b0-42 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column33491_f992b0-42 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column33491_f992b0-42\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading33491_6701d7-9d, .wp-block-kadence-advancedheading.kt-adv-heading33491_6701d7-9d[data-kb-block=\"kb-adv-heading33491_6701d7-9d\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading33491_6701d7-9d mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading33491_6701d7-9d[data-kb-block=\"kb-adv-heading33491_6701d7-9d\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading33491_6701d7-9d img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading33491_6701d7-9d[data-kb-block=\"kb-adv-heading33491_6701d7-9d\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading33491_6701d7-9d wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading33491_6701d7-9d\"><strong>\u00c9l\u00e9ments g\u00e9ologiques saillants<\/strong><\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading33491_36e0f4-f8, .wp-block-kadence-advancedheading.kt-adv-heading33491_36e0f4-f8[data-kb-block=\"kb-adv-heading33491_36e0f4-f8\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading33491_36e0f4-f8 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading33491_36e0f4-f8[data-kb-block=\"kb-adv-heading33491_36e0f4-f8\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading33491_36e0f4-f8 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading33491_36e0f4-f8[data-kb-block=\"kb-adv-heading33491_36e0f4-f8\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading33491_36e0f4-f8 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading33491_36e0f4-f8\"><strong><strong>Structure g\u00e9ologique<\/strong><\/strong><\/h3>\n\n\n\n<p>Le G\u00e9oparc Or\u00edgens se trouve le long du profil sismique ECORS Pyr\u00e9n\u00e9es, un profil g\u00e9ophysique r\u00e9alis\u00e9 \u00e0 travers la cha\u00eene montagneuse des Pyr\u00e9n\u00e9es parall\u00e8les \u00e0 la vall\u00e9e du Noguera Pallaresa qui, en son temps, fut un grand pas en avant pour la g\u00e9ologie moderne mondiale.<\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading33491_7d6608-fb, .wp-block-kadence-advancedheading.kt-adv-heading33491_7d6608-fb[data-kb-block=\"kb-adv-heading33491_7d6608-fb\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading33491_7d6608-fb mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading33491_7d6608-fb[data-kb-block=\"kb-adv-heading33491_7d6608-fb\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading33491_7d6608-fb img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading33491_7d6608-fb[data-kb-block=\"kb-adv-heading33491_7d6608-fb\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading33491_7d6608-fb wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading33491_7d6608-fb\"><strong><strong>S\u00e9dimentologie et stratigraphie<\/strong><\/strong><\/h3>\n\n\n\n<p>Il faut souligner l\u2019importance des plateformes carbonat\u00e9es de Vilanoveta et des Collades, situ\u00e9es entre Sant Corneli et la Sierra de Carreu, reconnues \u00e0 l\u2019\u00e9chelle internationale comme exemples exceptionnels\u202f; du stratotype de l\u2019Ilerdi\u00e0, section de r\u00e9f\u00e9rence internationale d\u2019une partie du Pal\u00e9og\u00e8ne, situ\u00e9e \u00e0 l\u2019est de Tremp; des formations delta\u00efques des bassins de Tremp et \u00c0ger; ou encore des conglom\u00e9rats synorog\u00e9niques comme les sierras de Collegats, Gurp, Pessonada et Comiols.<\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading33491_bba22f-2b, .wp-block-kadence-advancedheading.kt-adv-heading33491_bba22f-2b[data-kb-block=\"kb-adv-heading33491_bba22f-2b\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading33491_bba22f-2b mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading33491_bba22f-2b[data-kb-block=\"kb-adv-heading33491_bba22f-2b\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading33491_bba22f-2b img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading33491_bba22f-2b[data-kb-block=\"kb-adv-heading33491_bba22f-2b\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading33491_bba22f-2b wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading33491_bba22f-2b\"><strong><strong>Patrimoine hydrog\u00e9ologique<\/strong><\/strong><\/h3>\n\n\n\n<p>Le territoire h\u00e9berge de nombreuses sources d\u2019eau souterraine associ\u00e9es \u00e0 une structure g\u00e9ologique particuli\u00e8re, notamment les lacs de Basturs, \u00e0 l\u2019ouest d\u2019Isona, qui pr\u00e9sentent une morphologie caract\u00e9ristique de type d\u00f4me similaire aux morphologies identifi\u00e9es sur Mars. Sans oublier le lac de Montcort\u00e8s, dont l\u2019origine est attribu\u00e9e \u00e0 des fractures d\u2019expansion verticales associ\u00e9es \u00e0 des \u00e9vaporites du Triasique, ainsi que la source d\u2019eau sal\u00e9e de Gerri de la Sal, \u00e9galement li\u00e9e \u00e0 la dissolution d\u2019\u00e9vaporites.<\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading33491_545e5c-0e, .wp-block-kadence-advancedheading.kt-adv-heading33491_545e5c-0e[data-kb-block=\"kb-adv-heading33491_545e5c-0e\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading33491_545e5c-0e mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading33491_545e5c-0e[data-kb-block=\"kb-adv-heading33491_545e5c-0e\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading33491_545e5c-0e img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading33491_545e5c-0e[data-kb-block=\"kb-adv-heading33491_545e5c-0e\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading33491_545e5c-0e wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading33491_545e5c-0e\"><strong><strong>Patrimoine \u00e9daphologique<\/strong><\/strong><\/h3>\n\n\n\n<p>\u00a0Les sols remplissent des fonctions \u00e9cologiques essentielles li\u00e9es aux activit\u00e9s humaines. Le G\u00e9oparc Or\u00edgens accorde une attention particuli\u00e8re \u00e0 ce patrimoine, car il s\u2019agit d\u2019une ressource naturelle non renouvelable cl\u00e9 pour la dynamique des \u00e9cosyst\u00e8mes et du paysage pour ses fonctions \u00e9cologiques ou comme support d\u2019activit\u00e9s socio-\u00e9conomiques. Le Centre d\u2019interpr\u00e9tation des sols des Pyr\u00e9n\u00e9es, int\u00e9gr\u00e9 au Centre de support territorial Pirineus de l\u2019ICGC \u00e0 Tremp, h\u00e9berge une exposition permanente de monolithes des sols des Pyr\u00e9n\u00e9es.<\/p>\n\n\n\n<p>En 2002, la\u00a0<em>Generalitat de Catalunya<\/em>\u00a0(gouvernement catalan) a class\u00e9 les principaux g\u00e9otopes du territoire \u00e0 partir de l\u2019<a href=\"http:\/\/mediambient.gencat.cat\/ca\/05_ambits_dactuacio\/patrimoni_natural\/sistemes_dinformacio\/inventari_despais_dinteres_geologic\/consulta_de_les_fitxes_descriptives_dels_eig\/\" target=\"_blank\" rel=\"noreferrer noopener\">Inventaire des espaces d\u2019int\u00e9r\u00eat g\u00e9ologique de Catalogne<\/a>.<\/p>\n<\/div><\/div>\n\n<\/div><\/div>\n\n<style>.kb-row-layout-id33491_c7a410-6f > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id33491_c7a410-6f > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id33491_c7a410-6f > .kt-row-column-wrap{column-gap:var(--global-kb-gap-lg, 4rem);row-gap:var(--global-kb-gap-none, 0rem );max-width:var( --global-content-width, 1290px );padding-left:var(--global-content-edge-padding);padding-right:var(--global-content-edge-padding);padding-top:var(--global-kb-spacing-xxl, 5rem);padding-bottom:var(--global-kb-spacing-xxl, 5rem);grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}.kb-row-layout-id33491_c7a410-6f > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id33491_c7a410-6f > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var(--global-kb-spacing-xxl, 5rem);grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id33491_c7a410-6f > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id33491_c7a410-6f alignfull wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-right-golden kt-tab-layout-row kt-mobile-layout-row kt-row-valign-top kb-theme-content-width\">\n<style>.kadence-column33491_3afdc5-02 > .kt-inside-inner-col,.kadence-column33491_3afdc5-02 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column33491_3afdc5-02 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column33491_3afdc5-02 > .kt-inside-inner-col{flex-direction:column;}.kadence-column33491_3afdc5-02 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column33491_3afdc5-02 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column33491_3afdc5-02{position:relative;}@media all and (max-width: 1024px){.kadence-column33491_3afdc5-02 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column33491_3afdc5-02 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column33491_3afdc5-02\"><div class=\"kt-inside-inner-col\"><style>.kb-image33491_8b4dfc-ed .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<figure class=\"wp-block-kadence-image kb-image33491_8b4dfc-ed size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"512\" src=\"https:\/\/www.geoparcorigens.cat\/wp-content\/uploads\/panta-terradets.jpg\" alt=\"panta terradets\" class=\"kb-img wp-image-25025\" srcset=\"https:\/\/www.geoparcorigens.cat\/wp-content\/uploads\/panta-terradets.jpg 768w, https:\/\/www.geoparcorigens.cat\/wp-content\/uploads\/panta-terradets-300x200.jpg 300w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/div><\/div>\n\n\n<style>.kadence-column33491_298632-1c > .kt-inside-inner-col,.kadence-column33491_298632-1c > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column33491_298632-1c > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column33491_298632-1c > .kt-inside-inner-col{flex-direction:column;}.kadence-column33491_298632-1c > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column33491_298632-1c > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column33491_298632-1c{position:relative;}@media all and (max-width: 1024px){.kadence-column33491_298632-1c > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column33491_298632-1c > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column33491_298632-1c\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading33491_a3498e-d4, .wp-block-kadence-advancedheading.kt-adv-heading33491_a3498e-d4[data-kb-block=\"kb-adv-heading33491_a3498e-d4\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading33491_a3498e-d4 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading33491_a3498e-d4[data-kb-block=\"kb-adv-heading33491_a3498e-d4\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading33491_a3498e-d4 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading33491_a3498e-d4[data-kb-block=\"kb-adv-heading33491_a3498e-d4\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading33491_a3498e-d4 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading33491_a3498e-d4\">Histoire g\u00e9ologique<\/h2>\n\n\n\n<p>Le territoire du G\u00e9oparc Or\u00edgens se trouve sur le flanc sud des Pyr\u00e9n\u00e9es.<\/p>\n\n\n\n<p>Les Pyr\u00e9n\u00e9es constituent une cordill\u00e8re \u00e0 plissements alpins issue de la d\u00e9rive continentale de la Plaque ib\u00e9rique au cours du M\u00e9sozo\u00efque et de sa collision finale avec la Plaque europ\u00e9enne au cours du&nbsp;<strong>C\u00e9nozo\u00efque<\/strong>.<\/p>\n\n\n\n<p>Ce territoire pr\u00e9sente un relief compos\u00e9 d\u2019un ensemble de sierras et de bassins \u00e0 orientation est-ouest form\u00e9s selon la disposition de nappes de glissement qui composent les Pyr\u00e9n\u00e9es et&nbsp;<strong>refl\u00e8tent l\u2019\u00e9volution de pus de 500 millions d\u2019ann\u00e9es (Ma) d\u2019histoire g\u00e9ologique<\/strong>.<\/p>\n\n\n\n<p>Dans la&nbsp;<strong>Zone Axiale des Pyr\u00e9n\u00e9es<\/strong>, situ\u00e9e dans le secteur&nbsp;<strong>nord<\/strong>&nbsp;du G\u00e9oparc, les&nbsp;<strong>roches les plus anciennes<\/strong>&nbsp;de la cha\u00eene de montagnes sont observ\u00e9es. La configuration structurelle actuelle de la Zone Axiale est due \u00e0 la superposition antiforme de couches de plissement (Orri, Rialp et Nogueras) associ\u00e9es \u00e0 l\u2019Orog\u00e9nie alpine. Ces mat\u00e9riaux, qui \u00e9mergent dans la zone de la Vall Fosca, datant principalement du Pal\u00e9ozo\u00efque, furent fortement d\u00e9form\u00e9s par les effets de l\u2019Orog\u00e9nie hercynienne et affect\u00e9s par des intrusions de batholites et par m\u00e9tamorphisme de contact sur les roches pouvant les imbriquer.<\/p>\n\n\n\n<p>Les Pr\u00e9-Pyr\u00e9n\u00e9es, au&nbsp;<strong>sud de la Zone Axiale<\/strong>, pr\u00e9sentent des structures tectoniques appel\u00e9es \u00abmanteaux sup\u00e9rieurs sud-pyr\u00e9n\u00e9ens\u00bb essentiellement compos\u00e9es de&nbsp;<strong>roches du M\u00e9sozo\u00efque et du Pal\u00e9og\u00e8ne<\/strong>. Ces structures tectoniques consistent en trois principaux manteaux coulissants qui vont du nord au sud, appel\u00e9s B\u00f3ixols, Montsec et Serres Marginals, et ils ont des cha\u00eenes associ\u00e9es avec une orientation d\u2019est en ouest, parall\u00e8le \u00e0 la direction de la cordill\u00e8re. Simultan\u00e9ment \u00e0 la mise en place de ces nappes imbriqu\u00e9es, les bassins intramontagnards de la Conca de Tremp, d\u2019\u00c0ger et d\u2019Oliana sont n\u00e9s o\u00f9 sont enregistr\u00e9s les s\u00e9diments, les structures et les pal\u00e9oenvironnements ant\u00e9rieurs, contemporains et post\u00e9rieurs aux diff\u00e9rents \u00e9pisodes tectoniques. Parall\u00e8lement \u00e0 la mont\u00e9e des Pyr\u00e9n\u00e9es&nbsp;<strong>au cours de l\u2019Eoc\u00e8ne et de l\u2019Oligoc\u00e8ne<\/strong>, les reliefs g\u00e9n\u00e9r\u00e9s s\u2019\u00e9rodent et de grands syst\u00e8mes alluviaux s\u2019installent au pied de la cha\u00eene montagneuse entra\u00eenant la s\u00e9dimentation des conglom\u00e9rats que l\u2019on trouve aujourd\u2019hui dans les sierras de Collegats, Pessonada, Gurp ou Comiols. Leur distribution et caract\u00e9ristiques, conditionn\u00e9es par l\u2019\u00e9volution tectonique, ont permis d\u2019\u00e9tablir les contextes s\u00e9dimentaires et tectoniques de la r\u00e9gion.<\/p>\n\n\n\n<p>L\u2019instabilit\u00e9 climatique post\u00e9rieure au cours du\u00a0<strong>Quaternaire<\/strong>, caract\u00e9ris\u00e9e par plusieurs glaciations, conditionna la formation de glaciers dans les secteurs les plus \u00e9lev\u00e9s, fa\u00e7onnant au passage leur topographie et renfor\u00e7ant le soul\u00e8vement g\u00e9n\u00e9ralis\u00e9 du r\u00e9seau de drainage domin\u00e9 par les eaux de la Noguera Pallaresa, de la Noguera Ribagor\u00e7ana, du Segre et du Flamisell. Ces processus firent \u00e9merger les d\u00e9fil\u00e9s spectaculaires de Mont-rebei, Terradets et Collegats. Les s\u00e9diments quaternaires des Pyr\u00e9n\u00e9es sont d\u2019origine glaciaire et proviennent de d\u00e9p\u00f4ts de torrents, de crues et de flancs de montagne. Les d\u00e9p\u00f4ts de tuf calcaire dans la zone des Lacs de Basturs et de Mont de Conques sont \u00e9galement dignes d\u2019int\u00e9r\u00eat.<\/p>\n<\/div><\/div>\n\n<\/div><\/div>\n\n<style>.kb-row-layout-id33491_ce3171-82 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id33491_ce3171-82 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id33491_ce3171-82 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-none, 0rem );max-width:var( --global-content-width, 1290px );padding-left:var(--global-content-edge-padding);padding-right:var(--global-content-edge-padding);padding-top:var(--global-kb-spacing-xxl, 5rem);padding-bottom:var(--global-kb-spacing-xxl, 5rem);grid-template-columns:minmax(0, 2fr) minmax(0, 1fr);}.kb-row-layout-id33491_ce3171-82 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id33491_ce3171-82 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);grid-template-columns:minmax(0, 2fr) minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id33491_ce3171-82 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id33491_ce3171-82 alignfull wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-left-golden kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top kb-theme-content-width\">\n<style>.kadence-column33491_51e2c9-0b > .kt-inside-inner-col,.kadence-column33491_51e2c9-0b > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column33491_51e2c9-0b > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column33491_51e2c9-0b > .kt-inside-inner-col{flex-direction:column;}.kadence-column33491_51e2c9-0b > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column33491_51e2c9-0b > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column33491_51e2c9-0b{position:relative;}@media all and (max-width: 1024px){.kadence-column33491_51e2c9-0b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column33491_51e2c9-0b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column33491_51e2c9-0b\"><div class=\"kt-inside-inner-col\"><style>.kb-image33491_6313be-0b .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<figure class=\"wp-block-kadence-image kb-image33491_6313be-0b size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"787\" src=\"https:\/\/www.geoparcorigens.cat\/wp-content\/uploads\/Mapa_Geologic_Geopark-1024x787.jpg\" alt=\"Mapa Geologic Geopark\" class=\"kb-img wp-image-25027\" srcset=\"https:\/\/www.geoparcorigens.cat\/wp-content\/uploads\/Mapa_Geologic_Geopark-1024x787.jpg 1024w, https:\/\/www.geoparcorigens.cat\/wp-content\/uploads\/Mapa_Geologic_Geopark-300x231.jpg 300w, https:\/\/www.geoparcorigens.cat\/wp-content\/uploads\/Mapa_Geologic_Geopark-768x590.jpg 768w, https:\/\/www.geoparcorigens.cat\/wp-content\/uploads\/Mapa_Geologic_Geopark-1536x1181.jpg 1536w, https:\/\/www.geoparcorigens.cat\/wp-content\/uploads\/Mapa_Geologic_Geopark.jpg 1980w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div><\/div>\n\n\n<style>.kadence-column33491_222089-73 > .kt-inside-inner-col,.kadence-column33491_222089-73 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column33491_222089-73 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column33491_222089-73 > .kt-inside-inner-col{flex-direction:column;}.kadence-column33491_222089-73 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column33491_222089-73 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column33491_222089-73{position:relative;}@media all and (max-width: 1024px){.kadence-column33491_222089-73 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column33491_222089-73 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column33491_222089-73\"><div class=\"kt-inside-inner-col\">\n<h2 class=\"wp-block-heading\">Carte g\u00e9ologique<\/h2>\n\n\n\n<p>Carte g\u00e9ologique du G\u00e9oparc Or\u00edgens (Lleida, Catalogne). Modification de la carte g\u00e9ologique \u00e0 \u00e9chelle 1:250.000 de l\u2019Institut Cartographique et G\u00e9ologique de Catalogne (2015).<\/p>\n<\/div><\/div>\n\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>\u00c9l\u00e9ments g\u00e9ologiques saillants Structure g\u00e9ologique Le G\u00e9oparc Or\u00edgens se trouve le long du profil sismique ECORS Pyr\u00e9n\u00e9es, un profil g\u00e9ophysique r\u00e9alis\u00e9 \u00e0 travers la cha\u00eene montagneuse des Pyr\u00e9n\u00e9es parall\u00e8les \u00e0 la vall\u00e9e du Noguera Pallaresa qui, en son temps, fut un grand pas en avant pour la g\u00e9ologie moderne mondiale. S\u00e9dimentologie et stratigraphie Il faut&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"show","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"class_list":["post-33491","page","type-page","status-publish","hentry"],"acf":[],"taxonomy_info":[],"featured_image_src_large":false,"author_info":{"display_name":"09254GP","author_link":"https:\/\/www.geoparcorigens.cat\/fr\/author\/administrador\/"},"comment_info":0,"_links":{"self":[{"href":"https:\/\/www.geoparcorigens.cat\/fr\/wp-json\/wp\/v2\/pages\/33491","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.geoparcorigens.cat\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.geoparcorigens.cat\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.geoparcorigens.cat\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.geoparcorigens.cat\/fr\/wp-json\/wp\/v2\/comments?post=33491"}],"version-history":[{"count":0,"href":"https:\/\/www.geoparcorigens.cat\/fr\/wp-json\/wp\/v2\/pages\/33491\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.geoparcorigens.cat\/fr\/wp-json\/wp\/v2\/media?parent=33491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}