{"id":7586,"date":"2020-08-26T18:09:48","date_gmt":"2020-08-26T21:09:48","guid":{"rendered":"https:\/\/biologo.com.br\/bio\/?p=7586"},"modified":"2020-08-26T18:09:48","modified_gmt":"2020-08-26T21:09:48","slug":"o-fim-dos-dinossauros","status":"publish","type":"post","link":"https:\/\/biologo.com.br\/bio\/o-fim-dos-dinossauros\/","title":{"rendered":"O fim dos dinossauros"},"content":{"rendered":"<p><span style=\"font-size: 14pt; color: #000000;\"><span style=\"color: #3366ff;\"><strong>O fim dos dinossauros: <\/strong><span style=\"color: #000000;\">A extin\u00e7\u00e3o do Cret\u00e1ceo, foi uma extin\u00e7\u00e3o em massa, ocorrida h\u00e1 mais ou menos 65,5 milh\u00f5es de anos, que marca o fim do per\u00edodo Cret\u00e1ceo e o in\u00edcio do Paleogeno. <\/span><\/span><\/span><\/p>\n<p><span style=\"font-size: 14pt; color: #000000;\">Este evento teve um enorme impacto na biodiversidade da Terra e vitimou boa parte dos seres vivos da \u00e9poca, incluindo os dinossauros e outros r\u00e9pteis gigantes.<\/span><\/p>\n<h2><span style=\"font-family: 'courier new', courier, monospace; font-size: 24pt; color: #000000;\"><strong>O fim dos dinossauros<\/strong><\/span><\/h2>\n<p><span style=\"font-size: 8pt; color: #000000;\">26\/8\/2020 ::\u00a0 Gilberto Stam\/Pesquisa FAPESP. \u00a0<span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/\" target=\"_blank\" rel=\"noopener noreferrer\">CC BY-ND 4.0<\/a><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: georgia, palatino, serif; font-size: 24pt;\"><strong>U<\/strong><\/span>m cemit\u00e9rio de galhos e troncos de \u00e1rvores carbonizados, misturados com <a href=\"https:\/\/biologo.com.br\/bio\/fosseis\/\">f\u00f3sseis<\/a> de <a href=\"https:\/\/biologo.com.br\/bio\/mamiferos\/\">mam\u00edferos<\/a>, <a href=\"https:\/\/biologo.com.br\/bio\/insetos\/\">insetos<\/a>, r\u00e9pteis marinhos e peixes de \u00e1gua doce e salgada, foi encontrado em um s\u00edtio arqueol\u00f3gico no estado de Dakota do Norte, nos Estados Unidos. <\/span><\/p>\n<figure id=\"attachment_6175\" aria-describedby=\"caption-attachment-6175\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"https:\/\/biologo.com.br\/bio\/o-1o-dinossauro-do-parana\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6175\" data-permalink=\"https:\/\/biologo.com.br\/bio\/o-1o-dinossauro-do-parana\/o-1o-dinossauro-do-parana-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/07\/O-1%C2%BA-dinossauro-do-Paran%C3%A1.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"O-1\u00ba-dinossauro-do-Paran\u00e1\" data-image-description=\"&lt;p&gt;O 1\u00ba dinossauro do Paran\u00e1. Dinossauro que viveu h\u00e1 90 milh\u00f5es de anos onde hoje se situa o noroeste do Paran\u00e1 tinha garras em formato de l\u00e2mina para cortar suas presas&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Vespersaurus paranaensis. O 1\u00ba dinossauro do Paran\u00e1&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/07\/O-1%C2%BA-dinossauro-do-Paran%C3%A1.jpg?fit=631%2C351&amp;ssl=1\" class=\"wp-image-6175 size-medium\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/07\/O-1%C2%BA-dinossauro-do-Paran%C3%A1.jpg?resize=300%2C167&#038;ssl=1\" alt=\"O 1\u00ba dinossauro do Paran\u00e1\" width=\"300\" height=\"167\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/07\/O-1%C2%BA-dinossauro-do-Paran%C3%A1.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/07\/O-1%C2%BA-dinossauro-do-Paran%C3%A1.jpg?w=631&amp;ssl=1 631w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-6175\" class=\"wp-caption-text\"><span style=\"font-size: 10pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/o-1o-dinossauro-do-parana\/\">O 1\u00ba dinossauro do Paran\u00e1<\/a><\/span><\/figcaption><\/figure>\n<p><span style=\"color: #000000;\">O material est\u00e1 ajudando os pesquisadores a compreender os eventos que se seguiram \u00e0 queda no planeta, h\u00e1 65 milh\u00f5es de anos, do meteorito que teria contribu\u00eddo para uma das extin\u00e7\u00f5es em massa de plantas e animais, incluindo os dinossauros.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/curiosidades-sobre-dinossauros\/\">Curiosidades sobre dinossauros<\/a><\/span><\/li>\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/documentario-dinossauros\/\">Document\u00e1rio Dinossauros<\/a><\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">Trabalhando sob a coordena\u00e7\u00e3o de uma equipe da Universidade do Kansas, os pesquisadores encontraram o conjunto de f\u00f3sseis ap\u00f3s seis anos de escava\u00e7\u00f5es no s\u00edtio arqueol\u00f3gico de Tanis, na Forma\u00e7\u00e3o Hell Creek.<\/span><\/p>\n<h3><span style=\"font-family: 'courier new', courier, monospace; font-size: 12pt;\"><strong>O dia em que os dinossauros morreram<\/strong><\/span><\/h3>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"7587\" data-permalink=\"https:\/\/biologo.com.br\/bio\/o-fim-dos-dinossauros\/o-fim-dos-dinossauros\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/08\/O-fim-dos-dinossauros.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"O-fim-dos-dinossauros\" data-image-description=\"&lt;p&gt;O fim dos dinossauros. Dinossauro Meteoro Impacto Apocalipse Armageddon. Extin\u00e7\u00e3o&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;O fim dos dinossauros&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/08\/O-fim-dos-dinossauros.jpg?fit=631%2C351&amp;ssl=1\" class=\"alignleft wp-image-7587 size-medium\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/08\/O-fim-dos-dinossauros.jpg?resize=300%2C167&#038;ssl=1\" alt=\"O fim dos dinossauros\" width=\"300\" height=\"167\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/08\/O-fim-dos-dinossauros.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/08\/O-fim-dos-dinossauros.jpg?w=631&amp;ssl=1 631w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><span style=\"color: #000000;\">Segundo o grupo, o s\u00edtio oferece um registro detalhado da devasta\u00e7\u00e3o que ocorreu horas ap\u00f3s um meteorito de grandes dimens\u00f5es ter se chocado com a Terra onde hoje \u00e9 a pen\u00ednsula de Yucat\u00e1n, no M\u00e9xico. <\/span><\/p>\n<p><span style=\"color: #000000;\">Altera\u00e7\u00f5es clim\u00e1ticas decorrentes do impacto s\u00e3o a prov\u00e1vel causa da mortandade em larga escala, que marcou o fim do per\u00edodo geol\u00f3gico Cret\u00e1ceo. O choque teria aberto uma cratera de 180 quil\u00f4metros de di\u00e2metro (Chicxulub) e lan\u00e7ado aos c\u00e9us bilh\u00f5es de toneladas de rocha derretida. <\/span><\/p>\n<p><span style=\"color: #000000;\">Teria tamb\u00e9m desencadeado terremotos de grande magnitude, al\u00e9m de tsunamis e chuva de part\u00edculas de vidro. Esses fen\u00f4menos deixaram um rastro de destrui\u00e7\u00e3o que se estendeu por um raio de 3 mil quil\u00f4metros (PNAS, 1\u00ba de abril).<\/span><\/p>\n<p><span style=\"color: #000000;\"> Os f\u00f3sseis estudados guardavam evid\u00eancias do cataclismo, como detritos de vidro incrustados nas br\u00e2nquias dos peixes e na resina das \u00e1rvores, datados em 65,8 milh\u00f5es de anos.<\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-size: 10pt;\">Fonte: <a style=\"color: #000000;\" href=\"https:\/\/revistapesquisa.fapesp.br\/\" target=\"_blank\" rel=\"noopener noreferrer\">Revista Fapesp<\/a> &gt;\u00a0<\/span><\/span><span style=\"font-size: 10pt;\"><a title=\"O dia em que os dinossauros morreram\" href=\"https:\/\/revistapesquisa.fapesp.br\/o-dia-em-que-os-dinossauros-morreram\/\">O dia em que os dinossauros morreram<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>O fim dos dinossauros: A extin\u00e7\u00e3o do Cret\u00e1ceo, foi uma extin\u00e7\u00e3o em massa, ocorrida h\u00e1 mais ou menos 65,5 milh\u00f5es<\/p>\n","protected":false},"author":1,"featured_media":7587,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[121,28],"tags":[],"class_list":["post-7586","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-evolucao","category-paleontologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>O fim dos dinossauros: extin\u00e7\u00e3o do Cret\u00e1ceo - Paleontologia - Bi\u00f3logo<\/title>\n<meta name=\"description\" content=\"A extin\u00e7\u00e3o do Cret\u00e1ceo, extin\u00e7\u00e3o em massa h\u00e1 mais ou menos 65,5 milh\u00f5es de anos, marcando o fim do per\u00edodo Cret\u00e1ceo. 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