{"id":78591,"date":"2021-11-10T22:30:00","date_gmt":"2021-11-10T20:30:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=78591"},"modified":"2021-11-10T18:42:44","modified_gmt":"2021-11-10T16:42:44","slug":"a-fold-elso-kontinensei-a-korabban-veltnel-700-millio-evvel-korabban-emelkedtek-ki-az-oceanbol","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=78591&lang=hu","title":{"rendered":"A F\u00f6ld els\u0151 kontinensei a kor\u00e1bban v\u00e9ltn\u00e9l 700 milli\u00f3 \u00e9vvel kor\u00e1bban emelkedtek ki az \u00f3ce\u00e1nb\u00f3l"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>A F\u00f6ld els\u0151 kontinensei a kor\u00e1bban v\u00e9ltn\u00e9l 700 milli\u00f3 \u00e9vvel kor\u00e1bban emelkedtek ki az \u00f3ce\u00e1nb\u00f3l &#8211; \u00e1llap\u00edtott\u00e1k meg \u0151si k\u0151zetek vizsg\u00e1lat\u00e1val.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/11\/fold-1-1024x576.jpg\" alt=\"\" class=\"wp-image-78592\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/11\/fold-1-1024x576.jpg 1024w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/11\/fold-1-300x169.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/11\/fold-1-768x432.jpg 768w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/11\/fold-1.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Kelet-Indi\u00e1b\u00f3l sz\u00e1rmaz\u00f3 \u00fcled\u00e9kes k\u0151zet elemz\u00e9s\u00e9vel jutottak erre az eredm\u00e9nyre kutat\u00f3k, akik \u00fagy v\u00e9lik, felfedez\u00e9s\u00fck magyar\u00e1zatot ad a l\u00e9gk\u00f6ri oxig\u00e9n szintj\u00e9nek emelked\u00e9s\u00e9re \u00e9s a gleccserek kialakul\u00e1s\u00e1ra a F\u00f6ld t\u00f6rt\u00e9net\u00e9nek ezen id\u0151szak\u00e1ban &#8211; \u00edrja a The Guardian. A Kolkata k\u00f6zel\u00e9ben l\u00e9v\u0151 Szinghbhum ker\u00fcletb\u0151l sz\u00e1rmaz\u00f3 k\u0151zetek alapj\u00e1n az els\u0151 stabil kontinensek, a kratonok 3,3-3,2 milli\u00e1rd \u00e9vvel ezel\u0151tt kezdtek el tengerszint f\u00f6l\u00e9 emelkedni.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az ausztr\u00e1liai Monash Egyetem kutat\u00f3ja, Priyadarshi Chowdhury, az eredm\u00e9nyeket bemutat\u00f3 tanulm\u00e1ny vezet\u0151 szerz\u0151je elmondta, munkat\u00e1rsaival \u00e9szrevett\u00e9k, hogy a k\u0151zetnek sz\u00e1razf\u00f6ld\u00f6n kellett form\u00e1l\u00f3dnia, mert fodroz\u00f3d\u00f3 jelek l\u00e1that\u00f3ak rajta, hasonl\u00f3ak ahhoz, ahogyan a sz\u00e9l \u00e9s a hull\u00e1mok nyomot hagynak a homokos partokon.\u00a0&#8220;R\u00e1j\u00f6tt\u00fcnk, hogy ezek \u0151si folyami k\u0151zetek voltak, amelyek foly\u00f3kban \u00e9s torkolatokban form\u00e1l\u00f3dtak&#8221; &#8211; mondta Chowdhury.\u00a0A szakember szerint az els\u0151 kontinensek val\u00f3sz\u00edn\u0171leg a lemeztektonika l\u00e9tez\u00e9se el\u0151tt form\u00e1l\u00f3dtak. A lemeztektonika a f\u00f6ldt\u00f6megek emelked\u00e9s\u00e9t hajt\u00f3 legf\u0151bb er\u0151 napjainkban. &#8220;Ma a lemeztektonika kontroll\u00e1lja az emelked\u00e9st. Amikor k\u00e9t kontinent\u00e1lis lemez \u00f6ssze\u00fctk\u00f6zik, kialakul a Himal\u00e1ja, az Alpok. H\u00e1rom milli\u00e1rd \u00e9ve ez nem \u00edgy volt&#8221; &#8211; mondta Chowdhury.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A tud\u00f3sok elm\u00e9lete szerint a korai kontinensek 300-400 milli\u00f3 \u00e9vnyi folyamatos vulk\u00e1ni aktivit\u00e1st k\u00f6vet\u0151en emelkedtek ki a glob\u00e1lis \u00f3ce\u00e1nb\u00f3l. A Szinghbhum-kraton az id\u0151k sor\u00e1n felhalmoz\u00f3dott l\u00e1v\u00e1b\u00f3l j\u00f6hetett l\u00e9tre, a mintegy 50 kilom\u00e9ter m\u00e9lyre ny\u00fal\u00f3 k\u00e9reg megvastagodott, majd \u00faszni kezdett a v\u00edzen, mint a j\u00e9ghegyek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MTI<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A F\u00f6ld els\u0151 kontinensei a kor\u00e1bban v\u00e9ltn\u00e9l 700 milli\u00f3 \u00e9vvel kor\u00e1bban emelkedtek ki az \u00f3ce\u00e1nb\u00f3l &#8211; \u00e1llap\u00edtott\u00e1k meg \u0151si k\u0151zetek vizsg\u00e1lat\u00e1val.<\/p>\n","protected":false},"author":10,"featured_media":78592,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,49,598],"tags":[710],"class_list":["post-78591","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-hirek","category-tudomany","tag-kutatas"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/78591","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=78591"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/78591\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/78592"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=78591"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=78591"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=78591"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}