{"id":700512,"date":"2026-06-29T20:26:03","date_gmt":"2026-06-29T20:26:03","guid":{"rendered":"https:\/\/microscopemedia.com\/?p=700512"},"modified":"2026-06-29T20:26:03","modified_gmt":"2026-06-29T20:26:03","slug":"unic-pe-terra-vulcanul-din-antarctica-care-arunca-cristale-de-aur-in-atmosfera","status":"publish","type":"post","link":"https:\/\/microscopemedia.com\/?p=700512","title":{"rendered":"Unic pe Terra: vulcanul din Antarctica care arunc\u0103 cristale de aur \u00een atmosfer\u0103"},"content":{"rendered":"<div><img decoding=\"async\" src=\"https:\/\/microscopemedia.com\/wp-content\/uploads\/2026\/06\/unic-pe-terra-vulcanul-din-antarctica-care-arunca-cristale-de-aur-in-atmosfera.jpg\" class=\"ff-og-image-inserted\"><\/div>\n<p id=\"p-0\">Este vorba despre muntele Erebus, aflat pe Insula Ross, \u00een Antarctica, la aproximativ 1.350 de kilometri de Polul Sud. Erebus este cel mai sudic vulcan activ din lume \u0219i unul dintre pu\u021binele care au permanent la suprafa\u021b\u0103 un lac de lav\u0103 \u2013 un bazin cu roc\u0103 topit\u0103 care fierbe continuu.<\/p>\n<p id=\"p-1\">Din crater se ridic\u0103 f\u0103r\u0103 \u00eencetare gaze vulcanice. \u00cen mod surprinz\u0103tor, acestea transport\u0103 \u0219i particule microscopice de aur.<\/p>\n<h2 id=\"chapter-0\">Nu sunt pepite, ci cristale invizibile cu ochiul liber<\/h2>\n<p id=\"p-2\">Potrivit <a href=\"https:\/\/www.sciencealert.com\/the-worlds-southernmost-active-volcano-is-spewing-out-gold-every-day\" target=\"_blank\" rel=\"noopener\">Science Alert<\/a>, cercet\u0103torii au descoperit c\u0103 vulcanul elibereaz\u0103 aproximativ 80 de grame de aur pe zi, \u00eens\u0103 nu este vorba despre buc\u0103\u021bi de metal pre\u021bios care ar putea fi colectate.<\/p>\n<p id=\"p-3\">Aurul apare sub forma unor cristale extrem de mici, cu dimensiuni de doar c\u00e2teva zeci de miimi de milimetru. Sunt at\u00e2t de u\u0219oare \u00eenc\u00e2t sunt purtate de v\u00e2nt pe distan\u021be de p\u00e2n\u0103 la 1.000 de kilometri \u0219i ajung s\u0103 se depun\u0103 pe ghea\u021ba Antarcticii.<\/p>\n<h2 id=\"chapter-1\">De ce este unic Erebus<\/h2>\n<p id=\"p-4\">Urme de aur au fost detectate \u0219i \u00een gazele emise de al\u021bi vulcani activi, precum Etna, din Italia, sau K\u012blauea, din Hawaii. \u00cen cazul acestora \u00eens\u0103, aurul este prezent doar \u00een cantit\u0103\u021bi foarte mici.<\/p>\n<p id=\"p-5\">Ceea ce \u00eel face unic pe Erebus este faptul c\u0103 aurul nu apare doar sub form\u0103 de urme, ci se transform\u0103 \u00een cristale microscopice cu forme geometrice aproape perfecte, un fenomen care nu a mai fost observat la niciun alt vulcan din lume.<\/p>\n<h2 id=\"chapter-2\">Un mister vechi de peste 30 de ani<\/h2>\n<p id=\"p-6\">Descoperirea a fost publicat\u0103 \u00eenc\u0103 din 1991, \u00een revista \u0219tiin\u021bific\u0103 Geophysical Research Letters. De atunci, oamenii de \u0219tiin\u021b\u0103 au \u00eencercat s\u0103 afle cum ajunge aurul s\u0103 se desprind\u0103 din magma aflat\u0103 \u00een interiorul vulcanului.<\/p>\n<p id=\"p-7\">Una dintre ipoteze spune c\u0103 aurul este transportat de gazele bogate \u00een clor \u0219i sulf, iar pe m\u0103sur\u0103 ce acestea se r\u0103cesc se transform\u0103 \u00een cristale. O alt\u0103 teorie sus\u021bine c\u0103 aurul se formeaz\u0103 mai \u00eent\u00e2i la suprafa\u021ba lacului de lav\u0103 \u0219i este apoi antrenat \u00een atmosfer\u0103.<\/p>\n<p id=\"p-8\">P\u00e2n\u0103 ast\u0103zi \u00eens\u0103, niciuna dintre explica\u021bii nu a fost confirmat\u0103 definitiv. \u0218i, dup\u0103 mai bine de trei decenii, muntele Erebus r\u0103m\u00e2ne singurul vulcan cunoscut care \u201epresar\u0103\u201d Antarctica cu praf de aur.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Este vorba despre muntele Erebus, aflat pe Insula Ross, \u00een Antarctica, la aproximativ 1.350 de kilometri de Polul Sud. Erebus este cel mai sudic vulcan activ din lume \u0219i unul &hellip; <a href=\"https:\/\/microscopemedia.com\/?p=700512\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":700513,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"Default","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts\/700512"}],"collection":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=700512"}],"version-history":[{"count":0,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts\/700512\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/media\/700513"}],"wp:attachment":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=700512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=700512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=700512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}