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MANTIYaI ZAMIN

MANTIYaI ZAMIN, tabaqaest bayni qishr va yadroi Zamin 83% hajm (gayr az atmosfera) va 67% massai Zaminro faro megirad. Bino bar aqidahoi mavjuda Mantiyai Zamin, az hamon elementhoi khimiyavi iborat ast, ki onho hangomi paydoishi Zamin dar holati sakht budand yo ba tarkibi payvasthoi sakhti khimiyavi dokhil meshudand (az qabili O, Si, Mg, Fe). Muvofiqi tasavvuroti hozira, tarkibi Mantiyai Zamin ba tarkibi meteorithoi sangi nazdiki dorad.

mantiyai-zamin

Az meteorithoi sangi ba Mantiyai Zaamin beshtar tarkibi khondritho nazdik ast. Mantiyaro az qishri Zamin sathi Mokhorovichich judo mekunad, ki dar on surati mavjhoi soysmikii barqad hangomi az qishr ba Mantiyai Zamin guzashtan yakbora az 6,7—>7,6 to 7,9—8,2 km/son meafzoyad; az yadroi Zamin mantiyaro sathe (dar chuqurii 2900 km) judo mekunad, ki dar on surati mavjhoi seysmiki az 13,6 to 8,1 km/son kam meshavad. Mantiyai Zamin ba mantiyai poyoni va mantiqi boloi judo meshavad. Mantiqi boloi dar navbati khud (az bolo ba poyon) ba substrat, qabati Gutenberg (qabati surathoi pasti mavjhoi seysmiki) va qabati Golisin (onro bazan mantiyai mobayni menomand) taqsim meshavad Dar poyoni Mantiyai Zamin qabati gafsiash to 100 km mavjud ast, ki dar on surati mavjhoi seysmiki nameafzoyad, balki andake sust meshavad. Az aftash qishri Zamin az hisobi Mantiyai Zamin ba vujud omadaast; prosessa diffrensiasiyai Mantiyai Zamin holo ham davom dorad

. Takhmin mekunand, ki yadroi Zamin ham az hisobi Mantiyai Zamin kalon shuda istodaast. Prosesshoi dar qishri Zamin va Mantiyai Zamin ruydikhanda bo ham znch aloqamandand; harakathoi tektonikii qishri Zamin shoyad az Mantiyai Zamin energiya girand.

Ad.; Magniskiy V. A., Vnutrennee stroenie i fizika Zemli, M., 1965; Problemi stroeniya zemnoy kori i verkhney mantii. M., 1970.

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