{"id":374191,"date":"2018-07-20T07:01:14","date_gmt":"2018-07-20T05:01:14","guid":{"rendered":"https:\/\/hudo.com\/si\/2018\/07\/20\/diamanti-v-resnici-povsem-obicajni-kamni-ki-jih-je-v-zemeljski-skorji-ogromno\/"},"modified":"2018-07-20T07:01:14","modified_gmt":"2018-07-20T05:01:14","slug":"diamanti-v-resnici-povsem-obicajni-kamni-ki-jih-je-v-zemeljski-skorji-ogromno","status":"publish","type":"post","link":"https:\/\/hudo.com\/si\/lifestyle\/diamanti-v-resnici-povsem-obicajni-kamni-ki-jih-je-v-zemeljski-skorji-ogromno\/","title":{"rendered":"Diamanti v resnici povsem obi\u010dajni kamni, ki jih je v zemeljski skorji ogromno"},"content":{"rendered":"<figure>\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"660\" height=\"320\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" data-src=\"https:\/\/moski.hudo.com\/wp-content\/uploads\/2018\/07\/profimedia-0242723312-320x155.jpg\" data-srcset=\"https:\/\/moski.hudo.com\/wp-content\/uploads\/2018\/07\/profimedia-0242723312-660x320.jpg 660w,https:\/\/moski.hudo.com\/wp-content\/uploads\/2018\/07\/profimedia-0242723312-320x155.jpg 330w\" sizes=\"(max-width: 660px) 100vw, 660px\"\/><figcaption>foto:Profimedia<\/figcaption><\/figure>\n<p>&#8220;Ne moremo jih dobiti, a vseeno, tam je veliko ve\u010d diamantov, kot smo si kdajkoli mislili,&#8221; je povedal znanstvenik Ulrich Faul z In\u0161tituta za tehnologijo v Massachusettsu (MIT).<\/p>\n<h2>Diamant ni redek kamen, le te\u017eko ga je izkopati<\/h2>\n<p>&#8220;To ka\u017ee, da diamanti morda niso tako eksoti\u010dna snov, a v obsegu stvari so relativno obi\u010dajni,&#8221; je dodal.<\/p>\n<p>Z uporabo seizmolo\u0161ke tehnologije, s katero so analizirali zvo\u010dne valove skozi Zemljo, so znanstveniki zaklad odkrili v kamnini, imenovani kratonska osnova, ki je oblikovana kot na glavo obrnjene gore. Te se raztezajo skozi zemeljsko skorjo in v zemeljski pla\u0161\u010d.<\/p>\n<p>To so po navedbah znanstvenikov najstarej\u0161i in najbolj nepremi\u010dni deli kamnine, ki le\u017ei v sredi\u0161\u010du ve\u010dine kontinentalnih tektonskih plo\u0161\u010d, povzema francoska tiskovna agencija AFP.<\/p>\n<p>Projekta, med katerim so zaznali diamante, so se znanstveniki lotili, ker jih je begalo opa\u017eanje, da zvo\u010dni valovi znatno pospe\u0161ijo, ko potujejo skozi kratonsko osnovo. Tako so sestavili virtualne kamnine iz razli\u010dnih kombinacij mineralov in izra\u010dunali, kako hitro potujejo zvo\u010dni valovi skozi njih.<\/p>\n<h2>Diamantov na Zemlji tiso\u010dkrat ve\u010d, kot so mislili<\/h2>\n<p>&#8220;Diamanti so v mnogih pogledih posebni,&#8221; je dejal Faul. &#8220;Ena od njihovih posebnih lastnosti je, da je hitrost zvoka skozi diamant dvakrat ve\u010dja od hitrosti prevladujo\u010dega minerala v zgornjem delu pla\u0161\u010da, olivina,&#8221; je pojasnil.<\/p>\n<p>Ugotovili so, da edina vrsta kamnine, ki ustreza hitrostim, ki so jih zaznali v kratonu, vsebuje en do dva odstotka diamantov. Na podlagi tega znanstveniki zdaj ocenjujejo, da je v starih kamninah pod zemeljsko povr\u0161ino vsaj 1000-krat ve\u010d diamantov, kot so domnevali do zdaj.<\/p>\n<p>A le malo od teh dragih kamnov bo kon\u010dalo v vitrinah draguljarn. Diamanti so iz ogljika in nastajajo v pogojih visokega pritiska in nizkih temperatur globoko pod zemljo. Blizu povr\u0161ja se pojavijo zgolj ob ognjeni\u0161kih izbruhih, ki so redki.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ameri\u0161ki znanstveniki so globoko pod zemeljsko povr\u0161ino zaznali ogromno koli\u010dino diamantov &#8211; ve\u010d kot kvadrilijon oz. milijon milijard ton. Diamantne mrzlice sicer ne gre pri\u010dakovati, saj so dragi kamni precej globlje od najglobljih vrtin, ki jih je naredil \u010dlovek, med 145 in 240 kilometri.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1091],"tags":[11594,1645],"source":[1522,1518,1552],"supertag":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Diamanti v resnici povsem obi\u010dajni kamni, ki jih je v zemeljski skorji ogromno - Hudo Slovenija<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hudo.com\/si\/lifestyle\/diamanti-v-resnici-povsem-obicajni-kamni-ki-jih-je-v-zemeljski-skorji-ogromno\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Diamanti v resnici povsem obi\u010dajni kamni, ki jih je v zemeljski skorji ogromno - Hudo Slovenija\" \/>\n<meta property=\"og:description\" content=\"Ameri\u0161ki znanstveniki so globoko pod zemeljsko povr\u0161ino zaznali ogromno koli\u010dino diamantov - ve\u010d kot kvadrilijon oz. milijon milijard ton. 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