{"id":80487,"date":"2025-06-05T00:20:46","date_gmt":"2025-06-04T22:20:46","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=80487"},"modified":"2025-06-04T15:06:23","modified_gmt":"2025-06-04T13:06:23","slug":"jak-zeme-transportuje-drahe-kovy-ze-sveho-nitra-na-povrch","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/06\/05\/jak-zeme-transportuje-drahe-kovy-ze-sveho-nitra-na-povrch\/","title":{"rendered":"Jak Zem\u011b transportuje drah\u00e9 kovy ze sv\u00e9ho nitra na povrch"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<p><strong><span>Zlato je v podstat\u011b obnoviteln\u00fd zdroj \u2013 stejn\u011b jako mnoho jin\u00fdch kov\u016f. Alespo\u0148 to nazna\u010duje ned\u00e1vn\u00fd v\u00fdzkum. Geologick\u00e9 procesy z\u0159ejm\u011b neust\u00e1le vyn\u00e1\u0161ej\u00ed na povrch nov\u00e1 lo\u017eiska.<\/span><\/strong><\/p>\n<p><span>Pod \u00fachvatn\u00fdmi havajsk\u00fdmi pl\u00e1\u017eemi se skr\u00fdv\u00e1 fascinuj\u00edc\u00ed tajemstv\u00ed. Zat\u00edmco si rekreanti odn\u00e1\u0161ej\u00ed dom\u016f kusy \u010dern\u00e9 l\u00e1vy jako vz\u00e1cn\u00e9 suven\u00fdry,\u00a0<\/span><a href=\"https:\/\/www.nature.com\/articles\/s41586-025-09003-0\"><span>v\u011bdci v t\u011bchto nen\u00e1padn\u00fdch kamenech objevili n\u011bco neuv\u011b\u0159iteln\u00e9ho<\/span><\/a><span> : Jednoduch\u00e9 \u010dedi\u010de obsahuj\u00ed stopy zlata a dal\u0161\u00edch drah\u00fdch kov\u016f. Ale odkud poch\u00e1zej\u00ed? Cesta vede 2 900 kilometr\u016f hluboko do srdce na\u0161\u00ed planety.<\/span><\/p>\n<h3 id=\"h-eine-schatzkammer-im-erdkern\" class=\"wp-block-heading\"><span>Poklad v zemsk\u00e9m j\u00e1dru<\/span><\/h3>\n<p><span>Zem\u011b je jako obrovsk\u00fd trezor, jeho\u017e nejcenn\u011bj\u0161\u00ed obsah je ukryt hluboko uvnit\u0159. Nap\u0159\u00edklad v\u00edce ne\u017e 99,99 procenta zlat\u00fdch rezerv na\u0161\u00ed planety le\u017e\u00ed ukryto hluboko v kovov\u00e9m j\u00e1dru Zem\u011b, spolu s dal\u0161\u00edmi drah\u00fdmi kovy, jako je platina, iridium a vz\u00e1cn\u00fd ruthenium. Od vzniku na\u0161\u00ed planety p\u0159ed zhruba 4,5 miliardami let se p\u0159edpokl\u00e1dalo, \u017ee tyto poklady jsou nav\u017edy uzam\u010deny \u2013 prakticky nedosa\u017eiteln\u00e9 za 2 900 kilometr\u016f silnou vrstvou silik\u00e1tov\u00e9 horniny. P\u0159\u00edroda si v\u0161ak na\u0161la vlastn\u00ed zp\u016fsoby, jak z tohoto nep\u0159edstaviteln\u00e9ho bohatstv\u00ed vyt\u011b\u017eit maximum.<\/span><\/p>\n<p><span>Mezin\u00e1rodn\u00ed t\u00fdm v\u00fdzkumn\u00edk\u016f, v\u010detn\u011b Univerzity v G\u00f6ttingenu, nyn\u00ed poskytl prvn\u00ed d\u016fkaz o tom, \u017ee hranice mezi zemsk\u00fdm j\u00e1drem a pl\u00e1\u0161t\u011bm je z\u0159ejm\u011b mnohem propustn\u011bj\u0161\u00ed, ne\u017e se d\u0159\u00edve myslelo. \u201eKdy\u017e se objevily prvn\u00ed \u00fadaje, v\u011bd\u011bli jsme, \u017ee jsme doslova narazili na zlato,\u201c vysv\u011btluje geochemik Nils Messling z Univerzity v G\u00f6ttingenu. V\u011bdci analyzovali havajsk\u00e9 vulkanick\u00e9 horniny pomoc\u00ed nejmodern\u011bj\u0161\u00edch m\u011b\u0159ic\u00edch metod a objevili z\u0159ejm\u00fd podpis: nepatrn\u00e9 mno\u017estv\u00ed izotopu 100Ru, kter\u00fd je v zemsk\u00e9m j\u00e1dru v\u00fdrazn\u011b hojn\u011bj\u0161\u00ed ne\u017e v pl\u00e1\u0161ti.<\/span><\/p>\n<h3 id=\"h-vulkane-als-geologische-aufzuge\" class=\"wp-block-heading\"><span>Sopky jako geologick\u00e9 v\u00fdtahy<\/span><\/h3>\n<p><span>Objev odhaluje fascinuj\u00edc\u00ed mechanismus, kter\u00fd funguje jako planet\u00e1rn\u00ed v\u00fdtah. Gigantick\u00e9 bubliny p\u0159eh\u0159\u00e1t\u00e9ho materi\u00e1lu pl\u00e1\u0161t\u011b \u2013 stovky kvadrilion\u016f tun horniny \u2013 stoupaj\u00ed ze spojen\u00ed j\u00e1dra a pl\u00e1\u0161t\u011b skrz zemsk\u00fd pl\u00e1\u0161\u0165 jako ob\u0159\u00ed l\u00e1vov\u00e9 lampy. Tyto pl\u00e1\u0161\u0165ov\u00e9 oblaky nesou nepatrn\u00e9 mno\u017estv\u00ed drah\u00fdch kov\u016f ze zemsk\u00e9ho j\u00e1dra a transportuj\u00ed je na povrch prost\u0159ednictv\u00edm sopek.<\/span><\/p>\n<p><span>Tento proces vysv\u011btluje, jak se mohou ostrovy, jako je Havaj, formovat \u2013 jsou doslova vrcholy tok\u016f hmoty z hlubin nitra. Jak se kontinent\u00e1ln\u00ed desky pohybuj\u00ed p\u0159es tato hork\u00e1 m\u00edsta, vyno\u0159uj\u00ed se ostrovn\u00ed \u0159et\u011bzce jako perlov\u00e1 \u0161\u0148\u016fra sope\u010dn\u00e9 \u010dinnosti. Ka\u017ed\u00e1 erupce s sebou p\u0159in\u00e1\u0161\u00ed nejen roztavenou horninu, ale tak\u00e9 vz\u00e1cn\u00fd n\u00e1klad z hlubin Zem\u011b.<\/span><\/p>\n<h3 id=\"h-ein-planet-im-standigen-wandel\" class=\"wp-block-heading\"><span>Planeta v neust\u00e1l\u00e9 prom\u011bn\u011b<\/span><\/h3>\n<p><span>V\u00fdznam tohoto objevu sah\u00e1 daleko za hranice t\u011b\u017eby zlata. Ukazuje, \u017ee na\u0161e planeta je dynamick\u00fd syst\u00e9m, ve kter\u00e9m i ty nejhlub\u0161\u00ed vrstvy spolu komunikuj\u00ed. Zem\u011b recykluje sv\u00e9 materi\u00e1ly po miliardy let, p\u0159i\u010dem\u017e drah\u00e9 kovy cirkuluj\u00ed mezi j\u00e1drem, pl\u00e1\u0161t\u011bm a povrchem v gigantick\u00e9m cyklu. Tento proces pravd\u011bpodobn\u011b prob\u00edh\u00e1 od po\u010d\u00e1tk\u016f Zem\u011b a bude pokra\u010dovat i v budoucnu.<\/span><\/p>\n<p><span>Zda by tento nep\u0159etr\u017eit\u00fd p\u0159\u00edsun zlata z hlubin mohl n\u011bkdy uspokojit lidsk\u00fd hlad po zlat\u011b, z\u016fst\u00e1v\u00e1 ot\u00e1zkou. Mno\u017estv\u00ed, kter\u00e1 se dostanou na povrch p\u0159i jedn\u00e9 sope\u010dn\u00e9 erupci, jsou ve srovn\u00e1n\u00ed s celosv\u011btovou popt\u00e1vkou nekone\u010dn\u011b mal\u00e1. Nicm\u00e9n\u011b objev otev\u00edr\u00e1 nov\u00e9 perspektivy pro hled\u00e1n\u00ed surovin: Sope\u010dn\u00e9 oblasti by se mohly uk\u00e1zat jako ne\u010dekan\u00e9 zdroje drah\u00fdch kov\u016f, zejm\u00e9na v oblastech s obzvl\u00e1\u0161t\u011b aktivn\u00edmi chocholy pl\u00e1\u0161t\u011b. V\u00fdzkum teprve za\u010d\u00edn\u00e1. Nicm\u00e9n\u011b je velmi pravd\u011bpodobn\u00e9, \u017ee takov\u00e9 procesy prob\u00edhaj\u00ed ji\u017e velmi dlouho a budou prob\u00edhat i nad\u00e1le. Zem\u011b se tak op\u011bt ukazuje jako planeta p\u0159ekvapen\u00ed.<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-1185\" src=\"http:\/\/www.infokuryr.cz\/n\/wp-content\/uploads\/2021\/04\/kuryr-podpis.png\" alt=\"\" width=\"84\" height=\"24\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zlato je v podstat\u011b obnoviteln\u00fd zdroj \u2013 stejn\u011b jako mnoho jin\u00fdch kov\u016f. Alespo\u0148 to nazna\u010duje&#8230;<\/p>\n","protected":false},"author":2,"featured_media":80488,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[9263,4876,9262,2309],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/80487"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=80487"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/80487\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/80488"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=80487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=80487"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=80487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}