Yakla\u015f\u0131k 4,5 milyar ya\u015f\u0131nda olan D\u00fcnya, g\u00fcn\u00fcm\u00fcze kadar \u00e7e\u015fitli evrelerden ge\u00e7mi\u015ftir. Jeolojik zamanlar ad\u0131 verilen bu evrelerin her birinde , de\u011fi\u015fik canl\u0131 t\u00fcrleri ve iklim ko\u015fullar\u0131 g\u00f6r\u00fclm\u00fc\u015ft\u00fcr.
\n D\u00fcnya\u2019n\u0131n yap\u0131s\u0131n\u0131 inceleyen jeoloji bilimi, jeolojik zamanlar belirlenirken fosillerden ve tortul tabakalar\u0131n \u00f6zelliklerinden yararlan\u0131l\u0131r.
\n Jeolojik zamanlar g\u00fcn\u00fcm\u00fcze en yak\u0131n zaman en \u00fcstte olacak \u015fekilde s\u0131ralan\u0131r.
\n \u2022 D\u00f6rd\u00fcnc\u00fc Zaman
\n \u2022 \u00dc\u00e7\u00fcnc\u00fc Zaman
\n \u2022 \u0130kinci Zaman
\n \u2022 Birinci Zaman
\n \u2022 \u0130lkel Zaman
\n \u0130lkel Zaman
\n G\u00fcn\u00fcm\u00fczden yakla\u015f\u0131k 600 milyon y\u0131l \u00f6nce sona erdi\u011fi varsay\u0131lan jeolojik zamand\u0131r.
\n \u0130lkel zaman\u0131n yakla\u015f\u0131k 4 milyar y\u0131l s\u00fcrd\u00fc\u011f\u00fc tahmin edilmektedir.
\n Zaman\u0131n \u00f6nemli olaylar\u0131 :
\n \uf0a7 Sularda tek h\u00fccreli canl\u0131lar\u0131n ortaya \u00e7\u0131k\u0131\u015f\u0131
\n \uf0a7 En eski k\u0131ta \u00e7ekirdeklerinin olu\u015fumu
\n \uf0a7 \u0130lkel zaman\u0131 karakterize eden canl\u0131lar alg ve radiolariad\u0131r.<\/p>\n
Birinci Zaman (Paleozoik)
\n G\u00fcn\u00fcm\u00fczden yakla\u015f\u0131k 225 milyon y\u0131l \u00f6nce sona erdi\u011fi varsay\u0131lan jeolojik zamand\u0131r. Birinci zaman\u0131n yakla\u015f\u0131k 375 milyon y\u0131l s\u00fcrd\u00fc\u011f\u00fc tahmin edilmektedir.
\n Zaman\u0131n \u00f6nemli olaylar\u0131 :
\n \uf0a7 Kaledonya ve Hersinya k\u0131vr\u0131mlar\u0131n\u0131n olu\u015fumu
\n \uf0a7 \u00d6zellikle karbon devrinde k\u00f6m\u00fcr yataklar\u0131n\u0131n olu\u015fumu
\n \uf0a7 \u0130lk kara bitkilerinin ortaya \u00e7\u0131k\u0131\u015f\u0131
\n \uf0a7 Bal\u0131\u011fa benzer ilk organizmalar\u0131n ortaya \u00e7\u0131k\u0131\u015f\u0131
\n \uf0a7 Birinci zaman\u0131 karakterize eden canl\u0131lar graptolith ve trilobittir.<\/p>\n
\u0130kinci Zaman (Mezozoik)
\n G\u00fcn\u00fcm\u00fczden yakla\u015f\u0131k 65 milyon y\u0131l \u00f6nce sona erdi\u011fi varsay\u0131lan jeolojik zamand\u0131r. \u0130kinci zaman\u0131n yakla\u015f\u0131k 160 milyon y\u0131l s\u00fcrd\u00fc\u011f\u00fc tahmin edilmektedir. \u0130kinci zaman\u0131 karakterize eden dinazor ve ammonitler bu zaman\u0131n sonunda yok olmu\u015flard\u0131r.
\n Zaman\u0131n \u00f6nemli olaylar\u0131 :
\n \uf0a7 Ekvatoral ve so\u011fuk iklimlerin belirmesi
\n \uf0a7 Kimmeridge ve Avustrien k\u0131vr\u0131mlar\u0131n\u0131n olu\u015fumu
\n \uf0a7 \u0130kinci zaman\u0131 karakterize eden canl\u0131lar ammonit ve dinazordur. <\/p>\n
\u00dc\u00e7\u00fcnc\u00fc Zaman (Neozoik)
\n G\u00fcn\u00fcm\u00fczden yakla\u015f\u0131k 2 milyon y\u0131l \u00f6nce sona erdi\u011fi varsay\u0131lan jeolojik zamand\u0131r. \u00dc\u00e7\u00fcnc\u00fc zaman\u0131n yakla\u015f\u0131k 63 milyon y\u0131l s\u00fcrd\u00fc\u011f\u00fc tahmin edilmektedir.
\n Zaman\u0131n \u00f6nemli olaylar\u0131 :
\n \uf0a7 K\u0131talar\u0131n bug\u00fcnk\u00fc g\u00f6r\u00fcn\u00fcm\u00fcn\u00fc kazanmaya ba\u015flamas\u0131
\n \uf0a7 Linyit havzalar\u0131n\u0131n olu\u015fumu
\n \uf0a7 Bug\u00fcnk\u00fc iklim b\u00f6lgelerinin ve bitki topluluklar\u0131n\u0131n belirmeye ba\u015flamas\u0131
\n \uf0a7 Alp k\u0131vr\u0131m sisteminin geli\u015fmesi
\n \uf0a7 N\u00fcmmilitler ve memelilerin ortaya \u00e7\u0131k\u0131\u015f\u0131
\n \uf0a7 \u00dc\u00e7\u00fcnc\u00fc zaman\u0131 karakterize eden canl\u0131lar nummilit, hipparion, elephas ve mastadondur.<\/p>\n
D\u00f6rd\u00fcnc\u00fc Zaman (Kuaterner)
\n G\u00fcn\u00fcm\u00fczden 2 milyon y\u0131l \u00f6nce ba\u015flad\u0131\u011f\u0131 ve hala s\u00fcrd\u00fc\u011f\u00fc varsay\u0131lan jeolojik zamand\u0131r.
\n Zaman\u0131n \u00f6nemli olaylar\u0131 :
\n \uf0a7 \u0130klimde b\u00fcy\u00fck de\u011fi\u015fikliklerin ve d\u00f6rt buzul d\u00f6neminin (G\u00fcnz, Mindel, Riss, W\u00fcrm) ya\u015fanmas\u0131
\n \uf0a7 \u0130nsan\u0131n ortaya \u00e7\u0131k\u0131\u015f\u0131
\n \uf0a7 D\u00f6rd\u00fcnc\u00fc zaman\u0131 karakterize eden canl\u0131lar mamut ve insand\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"
Yakla\u015f\u0131k 4,5 milyar ya\u015f\u0131nda olan D\u00fcnya, g\u00fcn\u00fcm\u00fcze kadar \u00e7e\u015fitli evrelerden ge\u00e7mi\u015ftir. Jeolojik zamanlar ad\u0131 verilen bu evrelerin her birinde , de\u011fi\u015fik canl\u0131 t\u00fcrleri ve iklim ko\u015fullar\u0131 g\u00f6r\u00fclm\u00fc\u015ft\u00fcr. D\u00fcnya\u2019n\u0131n yap\u0131s\u0131n\u0131 inceleyen jeoloji bilimi, jeolojik zamanlar belirlenirken fosillerden ve tortul tabakalar\u0131n \u00f6zelliklerinden yararlan\u0131l\u0131r. Jeolojik zamanlar g\u00fcn\u00fcm\u00fcze en yak\u0131n zaman en \u00fcstte olacak \u015fekilde s\u0131ralan\u0131r. \u2022 D\u00f6rd\u00fcnc\u00fc Zaman …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1403,1406],"tags":[2887,2862,4078,4076,4077,4075],"class_list":["post-5072","post","type-post","status-publish","format-standard","hentry","category-odevler","category-sosyal-bilgiler-odevleri","tag-ekvator","tag-jeolojik-zamanlar","tag-kuaterner","tag-mezozoik","tag-neozoik","tag-paleozoik"],"_links":{"self":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts\/5072","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/comments?post=5072"}],"version-history":[{"count":0,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts\/5072\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/media?parent=5072"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/categories?post=5072"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/tags?post=5072"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}