Pot exista mai mult de un cvadrilion de tone de diamante \u00een interiorul P\u0103m\u00e2ntului, conform unui studiu realizat de cercet\u0103torii de la MIT \u015fi de la alte institute. Totu\u015fi, cel mai probabil, noile rezultate nu vor duce la o goan\u0103 dup\u0103 diamante. Savan\u0163ii estimeaz\u0103 c\u0103 mineralele sunt \u00eengropate la mai mult de 160 de kilometri ad\u00e2ncime, mult mai mult dec\u00e2t ad\u00e2ncimea oric\u0103rei alte expedi\u0163ii de s\u0103pare \u00een crusta terestr\u0103.<\/p>\n
Mineralele se g\u0103sesc \u00een cratoni – \u201er\u0103d\u0103cinile\u201d continentelor, cele mai vechi \u015fi imobile forma\u0163iuni de roc\u0103 ce se afl\u0103 \u00een centrul multor\u00a0pl\u0103ci tectonice<\/a>\u00a0continentale. Cu o form\u0103 precum mun\u0163ii inversa\u0163i, acestea pot avea o ad\u00e2ncime de chiar \u015fi 320 de kilometri, intr\u00e2nd \u015fi \u00een manta, scrie\u00a0Phys.<\/a><\/p>\n \u00cen noul studiu, savan\u0163ii estimeaz\u0103 c\u0103 r\u0103d\u0103cinile pot con\u0163ine 1-2% diamante, adic\u0103 un total de aproximativ un cvadrilion de tone.<\/p>\n \u201eStudiul arat\u0103 c\u0103\u00a0diamantul<\/a>\u00a0nu este un mineral exotic, dar la scar\u0103 geologic\u0103 este relativ comun. Nu putem ajunge la el, dar este mult mai mult diamant dec\u00e2t credeam \u00eenainte\u201d, a precizat Ulrich Faul, cercet\u0103tor la MIT.<\/p>\n Faul \u015fi colegii s\u0103i au ajuns la aceast\u0103 concluzie dup\u0103 ce au observat o anomalie \u00een datele seismice colectate de mai multe centre de cercetare precum\u00a0United States Geological Survey<\/em>.<\/p>\n Echipa a dorit s\u0103 identifice compozi\u0163ia r\u0103d\u0103cinilor crustei care ar fi putut explica varia\u0163ia undelor seismice. \u201eDiamantele sunt speciale \u00een multe feluri. Una dintre propriet\u0103\u0163ile speciale este c\u0103 viteza sunetului \u00een diamant este de dou\u0103 ori mai mare dec\u00e2t \u00een mineralul dominant din rocile\u00a0mantalei<\/a>superioare, anume olivina\u201d, adaug\u0103 Faul.<\/p>\n Cercet\u0103torii au g\u0103sit c\u0103 este suficient\u0103 o propor\u0163ie de 1-2% de diamant pentru a produce aceste viteze ale undelor seismice. De asemenea, propor\u0163ia mic\u0103 de diamante din cratoni nu ar schimba densitatea total\u0103, care \u00een mod normal este mai pu\u0163in dens\u0103 dec\u00e2t mantaua din jur.<\/p>\n sursa: descopera.ro<\/p>\n","protected":false},"excerpt":{"rendered":" Pot exista mai mult de un cvadrilion de tone de diamante \u00een interiorul P\u0103m\u00e2ntului, conform unui studiu realizat de cercet\u0103torii<\/p>\n","protected":false},"author":1,"featured_media":38903,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":"","jetpack_publicize_message":""},"categories":[12],"tags":[],"class_list":["post-38897","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stiri-internationale"],"jetpack_featured_media_url":"https:\/\/i2.wp.com\/realitatearutiera.ro\/wp-content\/uploads\/2018\/07\/tmp619458486916349954.jpg?fit=750%2C553&ssl=1","jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p61naM-a7n","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/posts\/38897","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=38897"}],"version-history":[{"count":1,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/posts\/38897\/revisions"}],"predecessor-version":[{"id":38904,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/posts\/38897\/revisions\/38904"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/media\/38903"}],"wp:attachment":[{"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=38897"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=38897"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=38897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}