{"id":9601,"date":"2015-12-14T16:09:52","date_gmt":"2015-12-14T21:09:52","guid":{"rendered":"http:\/\/all-geo.org\/highlyallochthonous\/wp-content\/uploads\/2015\/12\/14_North_American_APWP.png"},"modified":"2016-01-13T10:42:21","modified_gmt":"2016-01-13T15:42:21","slug":"14_north_american_apwp","status":"inherit","type":"attachment","link":"https:\/\/all-geo.org\/highlyallochthonous\/14_north_american_apwp\/","title":{"rendered":"14th December: 100 million years of polar wandering, as seen by North America"},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":[],"class_list":["post-9601","attachment","type-attachment","status-inherit","hentry"],"description":{"rendered":"<p class=\"attachment\"><a href='https:\/\/all-geo.org\/highlyallochthonous\/wp-content\/uploads\/2015\/12\/14_North_American_APWP.png'><img loading=\"lazy\" decoding=\"async\" width=\"281\" height=\"300\" src=\"https:\/\/all-geo.org\/highlyallochthonous\/wp-content\/uploads\/2015\/12\/14_North_American_APWP-281x300.png\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/all-geo.org\/highlyallochthonous\/wp-content\/uploads\/2015\/12\/14_North_American_APWP-281x300.png 281w, https:\/\/all-geo.org\/highlyallochthonous\/wp-content\/uploads\/2015\/12\/14_North_American_APWP-600x641.png 600w, https:\/\/all-geo.org\/highlyallochthonous\/wp-content\/uploads\/2015\/12\/14_North_American_APWP.png 800w\" sizes=\"auto, (max-width: 281px) 100vw, 281px\" \/><\/a><\/p>\n"},"caption":{"rendered":"<p><strong>Chris: <\/strong>One of the most important products of paleomagnetic studies is the <a href=\"https:\/\/all-geo.org\/highlyallochthonous\/2009\/12\/an-apwp\/\">&#8216;Apparent Polar Wander Path&#8217; or APWP<\/a>, which is a of record  the motion of a tectonic plate relative to the (relatively) fixed magnetic pole (this is why it is &#8216;apparent&#8217; polar wander, because it is not the pole that is wandering, but the rocks you are taking your measurements from!).<\/p>\n<p>This figure is one reconstruction of the APWP for North America. My graduate student Chenjian Fu is investigating the most effective ways of turning paleomagnetic data of varying quality and age from a plate into a reliable path, and is at AGU today <a href=\"https:\/\/agu.confex.com\/agu\/fm15\/meetingapp.cgi\/Paper\/65770\">presenting a poster on his research<\/a>.<\/p>\n<p><strong><a href=\"https:\/\/all-geo.org\/highlyallochthonous\/2015\/12\/a-highly-allochthonous-advent-calendar\/\">Return to the Advent Calendar<\/a><\/strong> <a href=\"https:\/\/all-geo.org\/highlyallochthonous\/14_north_american_apwp\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n"},"alt_text":"","media_type":"image","mime_type":"image\/png","media_details":{"width":800,"height":854,"file":"2015\/12\/14_North_American_APWP.png","sizes":{"thumbnail":{"file":"14_North_American_APWP-150x150.png","width":150,"height":150,"mime_type":"image\/png","source_url":"https:\/\/all-geo.org\/highlyallochthonous\/wp-content\/uploads\/2015\/12\/14_North_American_APWP-150x150.png"},"medium":{"file":"14_North_American_APWP-281x300.png","width":281,"height":300,"mime_type":"image\/png","source_url":"https:\/\/all-geo.org\/highlyallochthonous\/wp-content\/uploads\/2015\/12\/14_North_American_APWP-281x300.png"},"large":{"file":"14_North_American_APWP-600x641.png","width":600,"height":641,"mime_type":"image\/png","source_url":"https:\/\/all-geo.org\/highlyallochthonous\/wp-content\/uploads\/2015\/12\/14_North_American_APWP-600x641.png"},"wptouch-new-thumbnail":{"file":"14_North_American_APWP-144x144.png","width":144,"height":144,"mime_type":"image\/png","source_url":"https:\/\/all-geo.org\/highlyallochthonous\/wp-content\/uploads\/2015\/12\/14_North_American_APWP-144x144.png"},"post-thumbnail":{"file":"14_North_American_APWP-800x198.png","width":800,"height":198,"mime_type":"image\/png","source_url":"https:\/\/all-geo.org\/highlyallochthonous\/wp-content\/uploads\/2015\/12\/14_North_American_APWP-800x198.png"},"full":{"file":"14_North_American_APWP.png","width":800,"height":854,"mime_type":"image\/png","source_url":"https:\/\/all-geo.org\/highlyallochthonous\/wp-content\/uploads\/2015\/12\/14_North_American_APWP.png"}},"image_meta":{"aperture":0,"credit":"","camera":"","caption":"","created_timestamp":0,"copyright":"","focal_length":0,"iso":0,"shutter_speed":0,"title":"","orientation":0}},"post":null,"source_url":"https:\/\/all-geo.org\/highlyallochthonous\/wp-content\/uploads\/2015\/12\/14_North_American_APWP.png","filename":"14_North_American_APWP.png","filesize":349938,"_links":{"self":[{"href":"https:\/\/all-geo.org\/highlyallochthonous\/wp-json\/wp\/v2\/media\/9601","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/all-geo.org\/highlyallochthonous\/wp-json\/wp\/v2\/media"}],"about":[{"href":"https:\/\/all-geo.org\/highlyallochthonous\/wp-json\/wp\/v2\/types\/attachment"}],"author":[{"embeddable":true,"href":"https:\/\/all-geo.org\/highlyallochthonous\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/all-geo.org\/highlyallochthonous\/wp-json\/wp\/v2\/comments?post=9601"}]}}