{"id":77,"date":"2024-04-04T05:55:45","date_gmt":"2024-04-04T02:55:45","guid":{"rendered":"https:\/\/sisu.ut.ee\/eluarengmaal\/proterosoikum\/"},"modified":"2024-04-04T05:56:24","modified_gmt":"2024-04-04T02:56:24","slug":"proterosoikum","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/eluarengmaal\/proterosoikum\/","title":{"rendered":"Proterosoikum"},"content":{"rendered":"<p>\r\n\t<span style=\"font-size:14px\"><span style=\"font-family:Arial,Helvetica,sans-serif\"><b>Proterosoikum<\/b>\u00a0ehk\u00a0<b>Agueoon<\/b>\u00a0on geoloogiline eoon, mis j\u00e4rgnes\u00a0Arhaikumi\u00a0eoonile ja eelnes\u00a0Paleosoikumi\u00a0aegkonnale; algas 2500 miljonit aastat tagasi ja l\u00f5ppes 542 miljonit aastat tagasi.<\/span><\/span>\r\n<\/p>\r\n\r\n<p>\r\n\t<img loading=\"lazy\" decoding=\"async\" width=\"367\" height=\"278\" class=\"alignnone wp-image-326\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/426\/ajastud.png\" title=\"ajastud.png\" alt=\"proterosoikum\" srcset=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/426\/ajastud.png 367w, https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/426\/ajastud-300x227.png 300w\" sizes=\"auto, (max-width: 367px) 100vw, 367px\">\r\n<\/p>\r\n\r\n<p>\r\n\t<em><span style=\"font-size:14px\">Proterosoikumi geokronoloogiline tabel<\/span><\/em>\r\n<\/p>\r\n\r\n<p>\r\n\tProterosoikumis olid <a data-url=\"http:\/\/www.scotese.com\/precambr.htm\" href=\"http:\/\/www.scotese.com\/precambr.htm\" target=\"_blank\" title=\"\" rel=\"noopener\">\u00fcrgkontinendid<\/a>\u00a0juba olemas. Kliima oli k\u00fclm.\r\n<\/p>\r\n\r\n<p>\r\n\tVanima p\u00e4ristuumse ehk\u00a0<b>eukar\u00fcoodi<\/b>\u00a0kivistis \u2013\u00a0<i>Grypania spiralis<\/i>\u00a0\u2013 on leitud Michiganist USA-s 1,9 miljardi aasta vanustest kivimitest.\r\n<\/p>\r\n\r\n<p>\r\n\t<img loading=\"lazy\" decoding=\"async\" width=\"360\" height=\"270\" class=\"alignnone wp-image-327\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/426\/grypania.jpg\" title=\"Grypania spiralis\" alt=\"Grypania spiralis\" srcset=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/426\/grypania.jpg 360w, https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/426\/grypania-300x225.jpg 300w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\">\r\n<\/p>\r\n\r\n<p>\r\n\tProterosoikumis oli meres juba suhteliselt rikkalik elustik, mis koosnes pehmekehalistest hulkraksetest organismidest. Vanimad leiud \u2013\u00a0<a data-url=\"https:\/\/sisu.ut.ee\/eluarengmaal\/k%C3%A4snad?\" href=\"https:\/\/sisu.ut.ee\/eluarengmaal\/k%C3%A4snad?\" target=\"_blank\" title=\"\" rel=\"noopener\">kasnade<\/a>\u00a0spiikulad ehk n\u00f5elakesed \u2013 p\u00e4rinevad 570 miljoni aasta vanustest kivimitest Hiinast. Enam kui neljak\u00fcmnest leiukohast on leitud nooremate \u2013 560 miljoni aasta vanuseid \u2013\u00a0<a data-url=\"https:\/\/sisu.ut.ee\/eluarengmaal\/vend\" href=\"https:\/\/sisu.ut.ee\/eluarengmaal\/vend\" target=\"_blank\" title=\"\" rel=\"noopener\">Vendi<\/a>\u00a0pehmekehaliste hulkraksete kivistisi, mida on hakatud kutsuma\u00a0<a data-url=\"https:\/\/sisu.ut.ee\/eluarengmaal\/ediacara-fauna\" href=\"https:\/\/sisu.ut.ee\/eluarengmaal\/ediacara-fauna\" target=\"_blank\" title=\"\" rel=\"noopener\">Ediacara faunaks<\/a>.\r\n<\/p>\r\n\r\n<p>\r\n\tEelkambriumis laialdaselt tuntud elu j\u00e4lgedeks on loetud ka\u00a0<a data-url=\"https:\/\/sisu.ut.ee\/eluarengmaal\/stromatoliit\" href=\"https:\/\/sisu.ut.ee\/eluarengmaal\/stromatoliit\" target=\"_blank\" title=\"\" rel=\"noopener\">stromatoliite<\/a>\u00a0(foto 1 ja joonis 1), milliseid leidub soojades meredes ka\u00a0<a data-url=\"https:\/\/www.discoveraustralia.com.au\/western_australia\/hamelin_pool_stromatolites.html\" href=\"https:\/\/www.discoveraustralia.com.au\/western_australia\/hamelin_pool_stromatolites.html\" target=\"_blank\" title=\"\" rel=\"noopener\">t\u00e4nap\u00e4eval<\/a><b>.<\/b>\u00a0Stromatoliitseid struktuure on leitud kuni 3.5 miljardi aasta vanustest kivimitest, kuid paljud teadlased ei n\u00f5ustu neid tunnistama elu j\u00e4lgedeks.\r\n<\/p>\r\n\r\n<p>\r\n\t<img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"385\" class=\"alignnone wp-image-328\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/426\/stromatoliit1.jpg\" title=\"stromatoliit1.jpg\" alt=\"Foto 1. Ligikaudu 2 miljardit aastat vana stromatoliit, Soome, Rovaniemi\" srcset=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/426\/stromatoliit1.jpg 480w, https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/426\/stromatoliit1-300x241.jpg 300w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\">\r\n<\/p>\r\n\r\n<p>\r\n\t<em>Foto 1. Ligikaudu 2 miljardit aastat vana stromatoliit, Soome, Rovaniemi<\/em>\r\n<\/p>\r\n\r\n<p>\r\n\t<img loading=\"lazy\" decoding=\"async\" width=\"120\" height=\"81\" class=\"alignnone wp-image-329\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/426\/prot_k1a.jpg\" title=\"prot_k1a.jpg\" alt=\"Joonis 1. Rekonstruktsioon Eelkambriumi merest stromatoliitidega\">\r\n<\/p>\r\n\r\n<p>\r\n\t<em>Joonis 1. Rekonstruktsioon Eelkambriumi merest stromatoliitidega<\/em>\r\n<\/p>\r\n\r\n<p>\r\n\tM\u00f6\u00f6dunud geoloogilistel aegadel elanud organismide j\u00e4\u00e4nuste uurimisega tegelev teadus on\u00a0<a data-url=\"https:\/\/sisu.ut.ee\/eluarengmaal\/paleontoloogia\" href=\"https:\/\/sisu.ut.ee\/eluarengmaal\/paleontoloogia\" target=\"_blank\" title=\"\" rel=\"noopener\">paleontoloogia<\/a>.\r\n<\/p>\r\n\r\n<p>\r\n\tK\u00e4esoleva lehek\u00fclje\u00a0on \u00a0koostanud\u00a0<b>Mare Isakar<\/b>\u00a0<a data-url=\"https:\/\/sisu.ut.ee\/eluarengmaal\/kasutatud-kirjandus-1\" href=\"https:\/\/sisu.ut.ee\/eluarengmaal\/kasutatud-kirjandus-1\" target=\"_blank\" title=\"\" rel=\"noopener\">erinevate algmaterjalide p\u00f5hjal<\/a>.<br>Copyright \u00a9 2003 Mare Isakar\r\n<\/p>\r\n<br><figure class=\"wp-block-gallery has-nested-images columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><figure class=\"wp-block-image size-large\"><a href=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/426\/ajastud.png\"><img decoding=\"async\" data-id=\"326\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/426\/ajastud.png\" alt=\"\" class=\"wp-ima&gt;&lt;\/figcaption&gt;&lt;\/figure&gt;&lt;\/figure&gt;\"><\/a><\/figure><\/figure>","protected":false},"excerpt":{"rendered":"<p>Proterosoikum\u00a0ehk\u00a0Agueoon\u00a0on geoloogiline eoon, mis j\u00e4rgnes\u00a0Arhaikumi\u00a0eoonile ja eelnes\u00a0Paleosoikumi\u00a0aegkonnale; algas 2500 miljonit aastat tagasi ja l\u00f5ppes 542 miljonit aastat tagasi. Proterosoikumi geokronoloogiline tabel Proterosoikumis olid \u00fcrgkontinendid\u00a0juba olemas. Kliima oli k\u00fclm. Vanima p\u00e4ristuumse ehk\u00a0eukar\u00fcoodi\u00a0kivistis \u2013\u00a0Grypania spiralis\u00a0\u2013 on leitud Michiganist USA-s 1,9 miljardi aasta &#8230;<\/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-77","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/eluarengmaal\/wp-json\/wp\/v2\/pages\/77","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sisu.ut.ee\/eluarengmaal\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sisu.ut.ee\/eluarengmaal\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/eluarengmaal\/wp-json\/wp\/v2\/users\/226"}],"replies":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/eluarengmaal\/wp-json\/wp\/v2\/comments?post=77"}],"version-history":[{"count":2,"href":"https:\/\/sisu.ut.ee\/eluarengmaal\/wp-json\/wp\/v2\/pages\/77\/revisions"}],"predecessor-version":[{"id":496,"href":"https:\/\/sisu.ut.ee\/eluarengmaal\/wp-json\/wp\/v2\/pages\/77\/revisions\/496"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/eluarengmaal\/wp-json\/wp\/v2\/media?parent=77"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}