{"id":61,"date":"2024-04-04T06:11:40","date_gmt":"2024-04-04T03:11:40","guid":{"rendered":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/silikaadid\/"},"modified":"2024-04-04T06:13:06","modified_gmt":"2024-04-04T03:13:06","slug":"silikaadid","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/silikaadid\/","title":{"rendered":"Kivimeid moodustavad mineraalid"},"content":{"rendered":"

\n\tMaakoores enam levinud mineraalid on\u00a0<\/font><\/font>kvarts<\/a>,\u00a0<\/font><\/font>p\u00e4evakivid<\/a>,\u00a0<\/font><\/font>vilgud<\/a>,\u00a0<\/font><\/font>p\u00fcrokseenid<\/a>,\u00a0<\/font><\/font>kaltsiit<\/a>\u00a0ja\u00a0<\/font><\/font>savimineraalid<\/a>. Kui neile lisada veel\u00a0<\/font><\/font>dolomiit<\/a>,\u00a0<\/font><\/font>p\u00fcriit<\/a>,\u00a0<\/font><\/font>glaukoniit<\/a>\u00a0ja\u00a0<\/font><\/font>kaltsedon<\/a>, olemegi saanud peaaegu t\u00e4ieliku loendi ka Eestis sagedamini esinevatest mineraalidest.\u00a0Kaheksa elementi \u2013 hapnik, r\u00e4ni, alumiinium, raud, kaltsium, naatrium, kaalium ja magneesium \u2013 moodustavad ligikaudu 98% maakoorest<\/b>\u00a0(skeem 1). Need ja teised elemendid annavad omavahel kombineerudes erinevaid mineraale.<\/font><\/font>\n<\/p>\n

\n\tMineraalide seas on enamlevinumaiks\u00a0silikaadid<\/b>, mis praktiliselt moodustavadki k\u00f5iki tuntumaid\u00a0<\/font>magma<\/a>\u2013\u00a0ja\u00a0<\/font>moondekivimeid<\/a>. Ka p\u00f5hilistes\u00a0<\/font>setendeis<\/a>\u00a0(va karbonaatkivimid ja soolad) on silikaadid esikohal.<\/font>\n<\/p>\n

\n\t\u00a0\n<\/p>\n

\n\t\tSilikaatseid kivimeid moodustavad mineraalid<\/a>\n\t<\/p>\n

\n\t\tTeised kivimeid moodustavad mineraalid<\/a>\n\t<\/p>\n

\n\t\t\u00a0\n\t<\/p>\n

\"komponendid\"
Skeem 1. Maakoore keskmine keemiline koostis (elementide esinemine massiprotsentides): 1 \u2013\u00a0hapnik<\/b>\u00a0(46,6); 2 \u2013\u00a0r\u00e4ni<\/b>\u00a0(27,7); 3 \u2013\u00a0alumiinium<\/b>\u00a0(8,1); 4 \u2013\u00a0raud<\/b>\u00a0(5,0); 5 \u2013\u00a0kaltsium<\/b>\u00a0(3,6); 6 \u2013\u00a0naatrium<\/b>\u00a0(2,8); 7 \u2013\u00a0kaalium<\/b>\u00a0(2,6); 8 \u2013\u00a0magneesium<\/b>\u00a0(2,1); 9 \u2013\u00a0k\u00f5ik \u00fclej\u00e4\u00e4nud elemendid<\/b>\u00a0(1,4).<\/font><\/p>\n","protected":false},"excerpt":{"rendered":"

Maakoores enam levinud mineraalid on\u00a0kvarts,\u00a0p\u00e4evakivid,\u00a0vilgud,\u00a0p\u00fcrokseenid,\u00a0kaltsiit\u00a0ja\u00a0savimineraalid. Kui neile lisada veel\u00a0dolomiit,\u00a0p\u00fcriit,\u00a0glaukoniit\u00a0ja\u00a0kaltsedon, olemegi saanud peaaegu t\u00e4ieliku loendi ka Eestis sagedamini esinevatest mineraalidest.\u00a0Kaheksa elementi \u2013 hapnik, r\u00e4ni, alumiinium, raud, kaltsium, naatrium, kaalium ja magneesium \u2013 moodustavad ligikaudu 98% maakoorest\u00a0(skeem 1). Need ja teised elemendid …<\/p>\n","protected":false},"author":226,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-61","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/pages\/61","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/users\/226"}],"replies":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/comments?post=61"}],"version-history":[{"count":1,"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/pages\/61\/revisions"}],"predecessor-version":[{"id":790,"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/pages\/61\/revisions\/790"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/media?parent=61"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}