{"id":14492,"date":"2021-07-26T11:06:09","date_gmt":"2021-07-26T09:06:09","guid":{"rendered":"http:\/\/volcanx.cluster031.hosting.ovh.net\/?post_type=glossary&#038;p=14492"},"modified":"2021-07-26T17:10:45","modified_gmt":"2021-07-26T15:10:45","slug":"cone-declaboussures-fr","status":"publish","type":"glossary","link":"https:\/\/volcanofoundation.org\/fr\/glossary\/cone-declaboussures-fr\/","title":{"rendered":"C\u00d4NE D&rsquo;\u00c9CLABOUSSURES"},"content":{"rendered":"<div>Un c&ocirc;ne &agrave; flancs abrupts construit en agglutinate &agrave; un <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;&Eacute;VENT&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;div&amp;gt;Toute ouverture &agrave; la surface de la Terre par laquelle le magma entre en &eacute;ruption ou les gaz volcaniques sont &eacute;mis.&amp;lt;\/div&amp;gt;&lt;\/div&gt;\"  href=\"https:\/\/volcanofoundation.org\/fr\/glossary\/event-fr\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>&eacute;vent<\/a> mafique. La plupart des c&ocirc;nes d&rsquo;&eacute;claboussures sont petits (g&eacute;n&eacute;ralement 10 m ou moins de hauteur) et se forment g&eacute;n&eacute;ralement en groupes lin&eacute;aires le long d&rsquo;une <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;FISSURE&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;En g&eacute;ologie, une fissure est une fracture ou une fissure dans la roche le long de laquelle il y a une s&eacute;paration distincte ; les fissures sont souvent remplies de mat&eacute;riaux min&eacute;raux. Sur les volcans, une fissure est une fracture allong&eacute;e ou une fissure &agrave; la surface d&amp;#039;o&ugrave; la lave &eacute;clate. Les &eacute;ruptions de fisuration diminuent g&eacute;n&eacute;ralement jusqu&amp;#039;&agrave; un &eacute;vent central apr&egrave;s une p&eacute;riode d&amp;#039;heures ou de jours. &Agrave; l&amp;#039;occasion, la lave se renverse dans le sol en se d&eacute;versant dans une fissure ou une fissure &eacute;ruptive ouverte, un processus appel&eacute; drainage ; parfois, la lave se d&eacute;verse dans la m&ecirc;me fissure d&amp;#039;o&ugrave; elle a &eacute;clat&eacute;.&lt;\/div&gt;\"  href=\"https:\/\/volcanofoundation.org\/fr\/glossary\/fissure-fr\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>fissure<\/a>.<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Un c&ocirc;ne &agrave; flancs abrupts construit en agglutinate &agrave; un <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;&Eacute;VENT&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;div&amp;gt;Toute ouverture &agrave; la surface de la Terre par laquelle le magma entre en &eacute;ruption ou les gaz volcaniques sont &eacute;mis.&amp;lt;\/div&amp;gt;&lt;\/div&gt;\" href=\"https:\/\/volcanofoundation.org\/fr\/glossary\/event-fr\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">&eacute;vent<\/a> mafique. La plupart des c&ocirc;nes d&rsquo;&eacute;claboussures sont petits (g&eacute;n&eacute;ralement 10 m ou moins de hauteur) et se forment g&eacute;n&eacute;ralement en groupes lin&eacute;aires le long d&rsquo;une <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;FISSURE&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;En g&eacute;ologie, une fissure est une fracture ou une fissure dans la roche le long de laquelle il y a une s&eacute;paration distincte ; les fissures sont souvent remplies de mat&eacute;riaux min&eacute;raux. Sur les volcans, une fissure est une fracture allong&eacute;e ou une fissure &agrave; la surface d&amp;#039;o&ugrave; la lave &eacute;clate. Les &eacute;ruptions de fisuration diminuent g&eacute;n&eacute;ralement jusqu&amp;#039;&agrave; un &eacute;vent central apr&egrave;s une p&eacute;riode d&amp;#039;heures ou de jours. &Agrave; l&amp;#039;occasion, la lave se renverse dans le sol en se d&eacute;versant dans une fissure ou une fissure &eacute;ruptive ouverte, un processus appel&eacute; drainage ; parfois, la lave se d&eacute;verse dans la m&ecirc;me fissure d&amp;#039;o&ugrave; elle a &eacute;clat&eacute;.&lt;\/div&gt;\" href=\"https:\/\/volcanofoundation.org\/fr\/glossary\/fissure-fr\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">fissure<\/a>.<\/p>\n","protected":false},"author":8,"featured_media":0,"menu_order":0,"template":"","meta":{"footnotes":""},"class_list":["post-14492","glossary","type-glossary","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"robots\" 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