{"id":666101,"date":"2025-12-13T15:06:04","date_gmt":"2025-12-13T15:06:04","guid":{"rendered":"https:\/\/microscopemedia.com\/?p=666101"},"modified":"2025-12-13T15:06:04","modified_gmt":"2025-12-13T15:06:04","slug":"un-nou-mister-sub-bermuda-o-structura-gigantica-sfideaza-explicatiile-geologilor","status":"publish","type":"post","link":"https:\/\/microscopemedia.com\/?p=666101","title":{"rendered":"Un nou mister sub Bermuda: O structur\u0103 gigantic\u0103 sfideaz\u0103 explica\u021biile geologilor"},"content":{"rendered":"
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Oamenii de \u0219tiin\u021b\u0103 au identificat o structur\u0103 masiv\u0103 de roc\u0103, necunoscut\u0103 p\u00e2n\u0103 acum, ad\u00e2nc sub Bermuda, oferind o posibil\u0103 explica\u021bie pentru pozi\u021bia neobi\u0219nuit de ridicat\u0103 a insulei fa\u021b\u0103 de fundul oceanic din jur, scrie LiveScience<\/a><\/span>.<\/p>\n

Un strat de 20 de kilometri grosime, unic pe P\u0103m\u00e2nt<\/h2>\n

Cercet\u0103torii au descoperit un strat de roc\u0103 cu o grosime de peste 20 de kilometri sub scoar\u021ba oceanic\u0103 a Bermudei, o caracteristic\u0103 care nu a mai fost observat\u0103 nic\u0103ieri \u00een condi\u021bii geologice similare.<\/p>\n

Structura se afl\u0103 \u00eentre scoar\u021ba oceanic\u0103 \u0219i manta, contrazic\u00e2nd modelele standard care presupun o tranzi\u021bie direct\u0103 \u00eentre aceste dou\u0103 straturi.<\/p>\n

Seismologul William Frazer, de la Carnegie Science, a declarat c\u0103 stratul pare \u00eencorporat \u00een placa tectonic\u0103 pe care se afl\u0103 Bermuda, ceea ce \u00eel face extrem de neobi\u0219nuit.<\/p>\n

Indicii pentru un mister geologic vechi de zeci de milioane de ani<\/h2>\n

Descoperirea ar putea explica existen\u021ba reliefului oceanic ridicat din jurul Bermudei, o zon\u0103 a fundului oceanic aflat\u0103 la o altitudine neobi\u0219nuit\u0103, care a r\u0103mas stabil\u0103 \u00een ciuda lipsei activit\u0103\u021bii vulcanice de aproximativ 31 de milioane de ani.<\/p>\n

Oamenii de \u0219tiin\u021b\u0103 cred c\u0103 erup\u021biile vulcanice antice ar fi injectat material din manta \u00een scoar\u021b\u0103, unde acesta s-a r\u0103cit \u0219i s-a solidificat.<\/p>\n

Acest material \u201e\u00eenghe\u021bat\u201d ar ac\u021biona ca o plut\u0103, ridic\u00e2nd fundul oceanic cu aproximativ 500 de metri \u0219i \u00eempiedic\u00e2nd tasarea acestei zone.<\/p>\n

Imagistica seismic\u0103 dezv\u0103luie material antic din manta<\/h2>\n

Frazer \u0219i geofizicianul Jeffrey Park, de la Universitatea Yale, au folosit unde seismice generate de cutremure \u00eendep\u0103rtate pentru a ob\u021bine imagini ale interiorului P\u0103m\u00e2ntului p\u00e2n\u0103 la o ad\u00e2ncime de 50 de kilometri sub Bermuda.<\/p>\n

Analiza a scos la iveal\u0103 un strat gros, cu densitate redus\u0103, diferit de rocile din jur.<\/p>\n

Cercet\u0103ri independente sugereaz\u0103 c\u0103 rocile vulcanice din Bermuda provin din material din manta bogat \u00een carbon, posibil legat de procese care dateaz\u0103 din perioada form\u0103rii supercontinentului Pangeea.<\/p>\n

Geologii afirm\u0103 c\u0103 pozi\u021bionarea Bermudei \u00eentr-o zon\u0103 care a reprezentat c\u00e2ndva centrul Pangeei ar putea explica de ce istoria sa geologic\u0103 difer\u0103 de cea a insulelor create de zone de activitate vulcanic\u0103 din manta, precum Hawaii.<\/p>\n

Rezultatele, publicate \u00een revista Geophysical Research Letters<\/a><\/span>, sugereaz\u0103 c\u0103 Bermuda ar putea reprezenta un caz neobi\u0219nuit, dar relevant, al modului \u00een care evolueaz\u0103 interiorul P\u0103m\u00e2ntului.<\/p>\n

Cercet\u0103torii caut\u0103 acum la nivel global structuri similare, pentru a stabili dac\u0103 Bermuda este cu adev\u0103rat unic\u0103.<\/p>\n","protected":false},"excerpt":{"rendered":"

Oamenii de \u0219tiin\u021b\u0103 au identificat o structur\u0103 masiv\u0103 de roc\u0103, necunoscut\u0103 p\u00e2n\u0103 acum, ad\u00e2nc sub Bermuda, oferind o posibil\u0103 explica\u021bie pentru pozi\u021bia neobi\u0219nuit de ridicat\u0103 a insulei fa\u021b\u0103 de fundul … Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":666102,"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\/666101"}],"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=666101"}],"version-history":[{"count":0,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts\/666101\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/media\/666102"}],"wp:attachment":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=666101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=666101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=666101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}