{"id":43,"date":"2024-04-04T06:11:38","date_gmt":"2024-04-04T03:11:38","guid":{"rendered":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/moondekivimid\/"},"modified":"2024-04-04T06:13:07","modified_gmt":"2024-04-04T03:13:07","slug":"moondekivimid","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/moondekivimid\/","title":{"rendered":"Moondekivimid"},"content":{"rendered":"

\n\tMoondekivimid<\/b>\u00a0tekivad s\u00fcgaval maakoores, kus valitseb k\u00f5rge temperatuur ja r\u00f5hk. L\u00e4htekivimeiks v\u00f5ivad olla nii sette- kui ka tardkivimid. Enamik moondekivimeid tekib 10 \u2013 30 km s\u00fcgavusel.<\/font><\/font>\n<\/p>\n

\n\tMoondekivimites esinevaid mineraale iseloomustab sageli v\u00e4ljavenitatud v\u00f5i lehtjas kuju ning orienteeritud asend (foto 1), mis annab kivmile v\u00f6\u00f6dilise, kihilise v\u00f5i kildalise ehituse (foto 2). Eriti selgelt v\u00e4ljendub see mitmesugustes\u00a0<\/font>kiltades<\/a>\u00a0ja\u00a0<\/font>gneissides<\/a>, m\u00f5nikord ka\u00a0<\/font>amfiboliitides<\/a>.<\/font>\n<\/p>\n

\n\tOlulisemateks moondekivimiteks on\u00a0<\/font>savikildad, f\u00fclliidid, kloriitkildad, talgikildad, kristallilised kildad<\/a>,\u00a0<\/font>amfiboliidid<\/a>,\u00a0<\/font>marmorid<\/a>,\u00a0<\/font>kvartsiidid<\/a>,\u00a0<\/font>gneisid<\/a>. Moondekivimid, mis on osaliselt \u00fclessulanud, on tuntud\u00a0migmatiitidena<\/b>\u00a0(foto 3). Migmatiidid on k\u00f5rvuti gneissidega ulatuslikult levinud L\u00f5una-Soome aluskorras, kust nad on kantud mandrij\u00e4\u00e4\u00a0poolt ka meie alale.<\/font>\n<\/p>\n

\n\tEesti r\u00e4ndkivide hulgas moodustavad moondekivimid umbes 13%. Peale valitsevate migmatiitide ja gneisside esineb v\u00e4hemal m\u00e4\u00e4ral\u00a0<\/font>amfiboliite<\/a>,\u00a0<\/font>kristallilisi kiltu, f\u00fclliite ja savikiltu<\/a>\u00a0ning\u00a0<\/font>kvartsiite (jotnia kvartsiidid)<\/a>.<\/font>\n<\/p>\n

\n\t\"vesuviaan\"
Foto 1. Vesuviaani orienteeritud kristall,<\/font>\n<\/p>\n

\n\t\"skarn\"
Foto 2. Skarn, P\u00f6hlau, Erzgebirge<\/font>\n<\/p>\n

\n\t\"migmatiit\"
Foto 3. Migmatiit, Tartu<\/font>\n<\/p>\n

\n\t
Koostanud ja fotografeerinud \u00a9 2003 Mare Isakar<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Moondekivimid\u00a0tekivad s\u00fcgaval maakoores, kus valitseb k\u00f5rge temperatuur ja r\u00f5hk. L\u00e4htekivimeiks v\u00f5ivad olla nii sette- kui ka tardkivimid. Enamik moondekivimeid tekib 10 \u2013 30 km s\u00fcgavusel. Moondekivimites esinevaid mineraale iseloomustab sageli v\u00e4ljavenitatud v\u00f5i lehtjas kuju ning orienteeritud asend (foto 1), mis …<\/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-43","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/pages\/43","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=43"}],"version-history":[{"count":1,"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/pages\/43\/revisions"}],"predecessor-version":[{"id":809,"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/pages\/43\/revisions\/809"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/media?parent=43"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}