{"id":16947,"date":"2016-12-22T13:01:07","date_gmt":"2016-12-22T12:01:07","guid":{"rendered":"http:\/\/shekulliagency.com\/?p=16947"},"modified":"2016-12-22T13:01:07","modified_gmt":"2016-12-22T12:01:07","slug":"ku-formohen-diamantet-me-te-rralle-ne-toke","status":"publish","type":"post","link":"https:\/\/alb.shekulliagency.com\/?p=16947","title":{"rendered":"Ku formohen diamantet m\u00eb t\u00eb rrall\u00eb n\u00eb Tok\u00eb?"},"content":{"rendered":"

\"\"<\/a>N\u00eb \u201cxhepa\u201d metali t\u00eb l\u00ebngsh\u00ebm, me qindra kilometra thell\u00eb n\u00eb Tok\u00eb: analiza e k\u00ebtyre gur\u00ebve me struktura t\u00eb caktuara kimike zbulon informacione t\u00eb reja rreth thell\u00ebsis\u00eb s\u00eb planetit.<\/p>\n

diamanteJo t\u00eb gjith\u00eb diamantet jan\u00eb nj\u00ebsoj; p\u00ebr disa t\u00eb till\u00eb supergjigant\u00eb, q\u00eb arrijn\u00eb n\u00eb vler\u00ebn e 3000 karat\u00ebve me madh\u00ebsi deri n\u00eb 10 cm, prej koh\u00ebsh ishte v\u00ebn\u00eb n\u00eb pik\u00ebpyetje origjina. Nj\u00eb studim i publikuar nga revista \u2018Science\u2019, sugjeron se diamantet supergjigant\u00eb vijn\u00eb nga \u2018pishina\u2019 metali t\u00eb l\u00ebngsh\u00ebm, q\u00eb gjenden disa qindra kilometra n\u00eb thell\u00ebsi t\u00eb planetit.<\/p>\n

Diamantet e zakonsh\u00ebm formohen me mantelin e Tok\u00ebs dhe dalin n\u00eb sip\u00ebrfaqe p\u00ebr shkak t\u00eb shp\u00ebrthimeve vullkanike. Por ekzemplar\u00ebt m\u00eb t\u00eb \u00e7muar, t\u00eb tilla si diamanti Cullinan apo \u201cYlli i Afrik\u00ebs\u201d (diamanti m\u00eb i madh i gjetur ndonj\u00ebher\u00eb, me pesh\u00eb 621 gram\u00eb, para se ndahej n\u00eb disa pjes\u00eb), ose Lesotho Promise, i 15-ti m\u00eb i madh i gjetur ndonj\u00ebher\u00eb, kan\u00eb nj\u00eb struktur\u00eb t\u00eb dukshme dhe p\u00ebrb\u00ebrje kimike krejt t\u00eb ndryshme nga t\u00eb tjer\u00ebt, dhe pak dihet p\u00ebr m\u00ebnyr\u00ebn e formimit t\u00eb tyre.<\/p>\n

Studiuesit e Gemological Institute of America, n\u00eb New York, t\u00eb Carnegie Institution for Science, n\u00eb Washington dhe Departamentit t\u00eb Gjeoshkenc\u00ebs n\u00eb Padova, kan\u00eb analizuar strukturat e kristalit t\u00eb 9 llojeve diamantesh t\u00eb tipit II, m\u00eb t\u00eb rrallat n\u00eb planetin ton\u00eb.<\/p>\n

Ata gjet\u00ebn brenda tyre p\u00ebrb\u00ebr\u00ebs mineralogjik\u00eb t\u00eb krijuar nga lidhjet hekur-nikel, sulfiteve dhe karburit t\u00eb hekurit, nj\u00eb kombinim q\u00eb nuk ishte v\u00ebn\u00eb re kurr\u00eb deri tani n\u00eb diamante \u201cnormal\u00eb\u201d.<\/p>\n

K\u00ebta p\u00ebrb\u00ebr\u00ebs jan\u00eb t\u00eb rrethuar edhe nga nj\u00eb shtres\u00eb metani dhe hidrogjeni, nj\u00eb tjet\u00ebr tipar shum\u00eb i pazakont\u00eb. Analiza e 42 diamanteve t\u00eb tjer\u00eb t\u00eb tipit II zbuloi se aliazhi i pazakont\u00eb \u00ebsht\u00eb i pranish\u00ebm n\u00eb 72% t\u00eb mostrave.<\/p>\n

K\u00ebto \u201cn\u00ebnshkrimet\u201d kimike i kan\u00eb lejuar studiuesit t\u00eb identifikojn\u00eb kushtet fillestare dhe thell\u00ebsin\u00eb n\u00eb t\u00eb cil\u00ebn k\u00ebto diamante jan\u00eb formuar.<\/p>\n

Prania n\u00eb to e nj\u00eb minerali t\u00eb quajtur \u2018majorite\u2019 sugjeron origjin\u00ebn n\u00eb thell\u00ebsi deri n\u00eb 750 km ( n\u00eb thell\u00ebsi m\u00eb t\u00eb madhe, majorite b\u00ebhet e paq\u00ebndrueshme).<\/p>\n

P\u00ebrb\u00ebrja metalike e kristalizuar sugjeron se k\u00ebta lloje diamantesh jan\u00eb formuar n\u00eb \u2018xhepa\u2019 t\u00eb izoluar metali t\u00eb l\u00ebngsh\u00ebm n\u00eb thell\u00ebsi t\u00eb Tok\u00ebs, t\u00eb ndara nga shk\u00ebmbinjt\u00eb e pasur me oksigjen ku formohen diamantet e zakonsh\u00ebm. Mendohet se k\u00ebto rezerva t\u00eb vogla metali t\u00eb l\u00ebngsh\u00ebm mund t\u00eb p\u00ebrb\u00ebjn\u00eb rreth 1 p\u00ebr qind t\u00eb mantelit t\u00eb Tok\u00ebs.<\/p>\n

\u201cStudimi hap nj\u00eb skenar t\u00eb ri mbi proceset gjeologjike n\u00eb thell\u00ebsi t\u00eb planetit ton\u00eb, \u2013 thot\u00eb Fabrizio Nestola, nj\u00eb nga autor\u00ebt e studimit. \u2013 Ai tregon se si mund t\u00eb formohet hekur i l\u00ebngsh\u00ebm n\u00eb nj\u00eb rajon q\u00eb gjendet shum\u00eb larg nga b\u00ebrthama e tok\u00ebs; n\u00ebse b\u00ebrthama e jashtme, e cila supozohet \u00eb jet\u00eb e p\u00ebrb\u00ebr\u00eb nga hekur-nikeli i shkrir\u00eb, nis n\u00eb thell\u00ebsit\u00eb prej 2900 km, prania e p\u00ebrzierjeve mineralogjike t\u00eb p\u00ebrb\u00ebra nga lidhjet hekur-nikel, sulfite dhe karbur hekuri n\u00eb k\u00ebto diamante, tregon se si ato mund t\u00eb formohen n\u00eb nj\u00eb thell\u00ebsi jo m\u00eb t\u00eb madhe se 1000 km\u201d.<\/p>\n","protected":false},"excerpt":{"rendered":"

N\u00eb \u201cxhepa\u201d metali t\u00eb l\u00ebngsh\u00ebm, me qindra kilometra thell\u00eb n\u00eb Tok\u00eb: analiza e k\u00ebtyre gur\u00ebve me struktura t\u00eb caktuara kimike zbulon informacione t\u00eb reja rreth thell\u00ebsis\u00eb s\u00eb planetit. diamanteJo t\u00eb…<\/p>\n","protected":false},"author":1,"featured_media":16948,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-16947","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-shk-tek"],"_links":{"self":[{"href":"https:\/\/alb.shekulliagency.com\/index.php?rest_route=\/wp\/v2\/posts\/16947"}],"collection":[{"href":"https:\/\/alb.shekulliagency.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/alb.shekulliagency.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/alb.shekulliagency.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/alb.shekulliagency.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16947"}],"version-history":[{"count":1,"href":"https:\/\/alb.shekulliagency.com\/index.php?rest_route=\/wp\/v2\/posts\/16947\/revisions"}],"predecessor-version":[{"id":16949,"href":"https:\/\/alb.shekulliagency.com\/index.php?rest_route=\/wp\/v2\/posts\/16947\/revisions\/16949"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/alb.shekulliagency.com\/index.php?rest_route=\/wp\/v2\/media\/16948"}],"wp:attachment":[{"href":"https:\/\/alb.shekulliagency.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16947"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alb.shekulliagency.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16947"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alb.shekulliagency.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16947"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}