{"id":109139,"date":"2026-05-22T00:48:06","date_gmt":"2026-05-22T00:48:06","guid":{"rendered":"https:\/\/www.europesays.com\/hu\/109139\/"},"modified":"2026-05-22T00:48:06","modified_gmt":"2026-05-22T00:48:06","slug":"urbol-latszik-igazan-a-szahara-szeme","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/hu\/109139\/","title":{"rendered":"\u0170rb\u0151l l\u00e1tszik igaz\u00e1n a Szahara szeme"},"content":{"rendered":"<p class=\"western\" align=\"left\">A <a href=\"https:\/\/maps.app.goo.gl\/MdFkE7WxLptHfCB79\" rel=\"nofollow noopener\" target=\"_blank\">Richat-k\u00e9pz\u0151dm\u00e9ny<\/a> legink\u00e1bb a vil\u00e1g\u0171rb\u0151l, vagy nagyobb magass\u00e1gban sz\u00e1ll\u00f3 rep\u00fcl\u0151r\u0151l l\u00e1tszik. A 45 kilom\u00e9ter \u00e1tm\u00e9r\u0151j\u0171 szerkezet egyeseket c\u00e9lt\u00e1bl\u00e1ra eml\u00e9keztet, m\u00e1sok idegen l\u00e9nyek tev\u00e9kenys\u00e9g\u00e9t l\u00e1tt\u00e1k a szab\u00e1lyosnak t\u0171n\u0151 objektum h\u00e1tter\u00e9ben.<\/p>\n<p class=\"western\" align=\"left\">A helysz\u00ednt el\u0151sz\u00f6r az 1930-as \u00e9vekben \u00edrt\u00e1k le el\u0151sz\u00f6r, \u00e1m igazi jellemz\u0151it csak az \u0171rhaj\u00f3z\u00e1s kor\u00e1ban ismert\u00fck meg. Az 1960-as \u00e9vekben der\u00fclt ki, hogy koncentrikus gy\u0171r\u0171kb\u0151l \u00e1ll ezeket a felsz\u00ednr\u0151l nem lehet \u00e9szrevenni. 1965-ben Ed White \u00e9s James McDivitt, a NASA \u0171rhaj\u00f3sai (Gemini IV.) h\u00edvt\u00e1k fel fot\u00f3jukkal a figyelmet r\u00e1, \u00e9s az\u00f3ta is az \u0171rhaj\u00f3sok egyik kedvelt t\u00e1j\u00e9koz\u00f3d\u00e1si pontja.<\/p>\n<p class=\"western\" align=\"left\">Nemr\u00e9giben az <a href=\"https:\/\/science.nasa.gov\/earth\/earth-observatory\/eyeing-the-richat-structure\/\" rel=\"nofollow noopener\" target=\"_blank\">Earth Observatory mutatott be<\/a> egy \u0171rfelv\u00e9telt (nyit\u00f3k\u00e9p\u00fcnk), amelyet a Landsat-8 \u00e9s -9 m\u0171holdak 2026. m\u00e1rcius 5-\u00e9n, illetve 6-\u00e1n k\u00e9sz\u00fclt k\u00e9peib\u0151l \u00e1ll\u00edtottak \u00f6ssze.<\/p>\n<p class=\"western\" align=\"left\"><img decoding=\"async\" src=\"https:\/\/www.europesays.com\/hu\/wp-content\/uploads\/2026\/05\/gemini-IV-nasa-1.jpg\"\/><\/p>\n<p>A Gemini-IV fed\u00e9lzet\u00e9r\u0151l k\u00e9sz\u00fclt felv\u00e9tel\u00e9b\u0151l ismerhette meg a vil\u00e1g a Richat-k\u00e9pz\u0151dm\u00e9nyt. A felv\u00e9telen nem t\u00fal kontrasztosan l\u00e1tszik a kerek geol\u00f3giai objektum, a k\u00e9p k\u00f6zep\u00e9n. Jobb sz\u00e9len az \u0171rhaj\u00f3t is l\u00e1tjuk.<\/p>\n<p>Forr\u00e1s: NASA, Ed White \u00e9s James McDivitt<\/p>\n<p>A k\u00e9pz\u0151dm\u00e9ny l\u00e9trej\u00f6tte k\u00e9t \u0151si esem\u00e9nyhez k\u00f6thet\u0151. Els\u0151k\u00e9nt kb. 230 milli\u00f3 \u00e9ve l\u00e9trej\u00f6tt gabbr\u00f3 (A f\u00f6ldk\u00e9reg m\u00e9ly\u00e9n megszil\u00e1rdult magm\u00e1s k\u0151zet) nyomult be a ter\u00fclet al\u00e1. J\u00f3 100 milli\u00f3 \u00e9vvel k\u00e9s\u0151bb egy \u00fajabb m\u00e9lys\u00e9gi aktivit\u00e1s, alulr\u00f3l \u00e9rkez\u0151 nyom\u00f3 hat\u00e1s miatt ezek a r\u00e9gebbi r\u00e9tegek felboltoz\u00f3dtak.<\/p>\n<p>Ezzel l\u00e9trej\u00f6tt a gy\u0171r\u0171s szerkezet, amelyet az az\u00f3ta eltelt id\u0151ben az er\u00f3zi\u00f3 szelekt\u00edv puszt\u00edt\u00f3 munk\u00e1ja a mai \u00e1llapot\u00fav\u00e1 faragott. A felsz\u00ednen l\u00e1that\u00f3 magm\u00e1s k\u0151zetek a j\u00f3 200 milli\u00f3 \u00e9ves gabbr\u00f3 erod\u00e1lt marad\u00e9kai. E k\u0151zetek r\u00e1ad\u00e1sul forr\u00f3 vizes \u00e1talakul\u00e1son is \u00e1testek, amikor 100 milli\u00f3 \u00e9ve a m\u00e1sodik magm\u00e1s benyomul\u00e1s t\u00f6rt\u00e9nt.<\/p>\n<p class=\"western\" align=\"left\"><img decoding=\"async\" src=\"https:\/\/www.europesays.com\/hu\/wp-content\/uploads\/2026\/05\/CAMP_Magmatism_in_the_context_of_Pangea.jpg\"\/><\/p>\n<p>A CAMP \u00f3ri\u00e1si vulk\u00e1ni ter\u00fclete az egykori Pangea k\u00f6zep\u00e9n \u2013 pirossan sz\u00ednezve a ma a felsz\u00ednen l\u00e1that\u00f3 maradv\u00e1nyai.<\/p>\n<p>Forr\u00e1s: Wikimedia Commons<\/p>\n<p class=\"western\" align=\"left\">Azonban e gabbr\u00f3k m\u00e9g egy k\u00fcl\u00f6nlegess\u00e9get rejtenek. Ez a k\u0151zet akkor j\u00f6tt l\u00e9tre, amikor a tri\u00e1sz id\u0151szak v\u00e9g\u00e9n Afrika \u00e9s Amerika kontinent\u00e1lis t\u00f6mbjei elkezdtek <a href=\"https:\/\/ng.24.hu\/fold\/2022\/01\/27\/magma-fortyogott-az-atlanti-ocean-szuloszobajaban\/\" rel=\"nofollow noopener\" target=\"_blank\">elv\u00e1lni egym\u00e1st\u00f3l a Pangea<\/a> feldarabol\u00f3d\u00e1s\u00e1val. Egy \u00f3ri\u00e1si magm\u00e1s provincia (K\u00f6z\u00e9p-Atlanti Magm\u00e1s Provincia, CAMP) m\u0171k\u00f6d\u00e9s\u00e9hez k\u00f6thet\u0151 a Richat-k\u00e9pz\u0151dm\u00e9ny.<\/p>\n<p class=\"western\" align=\"left\">A k\u00e9pz\u0151dm\u00e9ny k\u00fcls\u0151 gy\u0171r\u0171j\u00e9nek geok\u00e9miai elemz\u00e9se is azt mutatta, hogy bizony ezzel az \u00f3ri\u00e1si l\u00e9pt\u00e9k\u0171 magm\u00e1s <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0024493724002111\" rel=\"nofollow noopener\" target=\"_blank\">tev\u00e9kenys\u00e9ggel j\u00f6tt l\u00e9tre<\/a> ezen k\u0151zet. Ha belen\u00e9z\u00fcnk Afrika szem\u00e9be, akkor ezekre az \u0151si, a f\u00f6ldt\u00f6rt\u00e9net szempontj\u00e1b\u00f3l oly fontos folyamatokba is bepillanthatunk. Amikor egy \u0171rhaj\u00f3s megnyomja a f\u00e9nyk\u00e9pez\u0151g\u00e9pe kiold\u00f3 gombj\u00e1t, vagy \u00e9pp egy F\u00f6ld-megfigyel\u0151 m\u0171hold kamer\u00e1ja \u00f6r\u00f6k\u00edti meg a k\u00fcl\u00f6n\u00f6s szerkezetet, 200 milli\u00f3 \u00e9ves t\u00f6rt\u00e9netet lehet kiolvasni e k\u00e9pekb\u0151l.<\/p>\n","protected":false},"excerpt":{"rendered":"A Richat-k\u00e9pz\u0151dm\u00e9ny legink\u00e1bb a vil\u00e1g\u0171rb\u0151l, vagy nagyobb magass\u00e1gban sz\u00e1ll\u00f3 rep\u00fcl\u0151r\u0151l l\u00e1tszik. A 45 kilom\u00e9ter \u00e1tm\u00e9r\u0151j\u0171 szerkezet egyeseket c\u00e9lt\u00e1bl\u00e1ra&hellip;\n","protected":false},"author":2,"featured_media":109140,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[8],"tags":[1353,42,43,34,35829,35831,1668,94,35830,93,92],"class_list":["post-109139","post","type-post","status-publish","format-standard","has-post-thumbnail","category-vilag","tag-afrika","tag-hungarian","tag-magyar","tag-news","tag-pangea","tag-richat-kepzodmeny","tag-szahara","tag-vilag","tag-vulkanizmus","tag-world","tag-world-news"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@hu\/116615479742096169","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/posts\/109139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/comments?post=109139"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/posts\/109139\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/media\/109140"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/media?parent=109139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/categories?post=109139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/tags?post=109139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}