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display: none;" class="cycle-slideshow hero video dnnClear" data-cycle-fx="scrollHorz" data-cycle-reverse="false" data-cycle-timeout="7000" data-cycle-pause-on-hover=".cycle-slideshow" data-cycle-prev="#prev" data-cycle-next="#next" data-cycle-slides=" > div.slide" data-cycle-caption-plugin="caption2" data-cycle-overlay-fx-out="fadeOut" data-cycle-overlay-fx-in="fadeIn" data-cycle-auto-height="calc" data-cycle-swipe="false">    <div class="slide"> <span class="slider-image"> <a href='/play/articleid/42889/geolegends-marlan-downey?utm_medium=website&utm_source=1'>  <noscript data-slimmage>  <img itemprop="image" class="lazy" data-original="/Portals/0/PackFlashItemImages/WebReady/GeoLegends_Downey-Marlan.jpg?width=953&height=536&quality=90&mode=crop&encoder=freeimage&progressive=true" src="/Portals/0/PackFlashItemImages/WebReady/GeoLegends_Downey-Marlan.jpg?width=953&height=536&quality=90&mode=crop&encoder=freeimage&progressive=true" alt="AAPG"> </noscript> </a> </span> <span class="slider-image-title cycle-overlay"> <span class="slider-image-contenttype">GeoLegends Video</span> <a href='/play/articleid/42889/geolegends-marlan-downey?utm_medium=website&utm_source=1'>GeoLegends: Marlan Downey</a> </span> </div>  <div class="slide"> <span class="slider-image"> <a href='/play/articleid/43132/geolegends-norman-h-foster-presented-by-ed-dolly?utm_medium=website&utm_source=1'>  <noscript data-slimmage>  <img itemprop="image" class="lazy" data-original="/Portals/0/PackFlashItemImages/WebReady/GeoLegends_Foster-Norm.jpg?width=953&height=536&quality=90&mode=crop&encoder=freeimage&progressive=true" src="/Portals/0/PackFlashItemImages/WebReady/GeoLegends_Foster-Norm.jpg?width=953&height=536&quality=90&mode=crop&encoder=freeimage&progressive=true" alt="AAPG"> </noscript> </a> </span> <span class="slider-image-title cycle-overlay"> <span class="slider-image-contenttype">GeoLegends Video</span> <a href='/play/articleid/43132/geolegends-norman-h-foster-presented-by-ed-dolly?utm_medium=website&utm_source=1'>GeoLegends: Norman H. 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The interviews highlight the thought processes involved with their work. </p> <p><a href="/geolegends/videos" class="dnnPrimaryAction">Read More</a> </p></div> </div></div> <div></div> </div> </div> </div><div class="DnnModule DnnModule-DNN_HTML DnnModule-22664 DnnVersionableControl"><a name="22664"></a> <div class="h3_title_dark_area"> <h3><span id="dnn_ctr22664_dnnTITLE_titleLabel" class="Head">Discovery Thinking</span> </h3> <div class="h3_dark_content"> <div id="dnn_ctr22664_contentpane" class="content_pad"> <div id="dnn_ctr22664_ModuleContent" class="DNNModuleContent ModDNNHTMLC"> <div id="dnn_ctr22664_HtmlModule_lblContent"><p>The Discovery Thinking Forums have been presented at AAPG Annual Conventions and Exhibitions since 2008 and videoed for permanent access. Charles Sternbach, Ed Dolly and Paul Weimer have worked on this series for the past decade. </p>  <p><a href="javascript:%20return%20false;" class="dnnPrimaryAction">Coming Soon</a></p></div> </div></div> <div></div> </div> </div> </div></div> <div id="dnn_Right6Pane" class="flowRt Right6Pane"><div class="DnnModule DnnModule-DNN_HTML DnnModule-22666 DnnVersionableControl"><a name="22666"></a> <div class="h3_title_dark_area"> <h3><span id="dnn_ctr22666_dnnTITLE_titleLabel" class="Head">Landmark Papers</span> </h3> <div class="h3_dark_content"> <div id="dnn_ctr22666_contentpane" class="content_pad"> <div id="dnn_ctr22666_ModuleContent" class="DNNModuleContent ModDNNHTMLC"> <div id="dnn_ctr22666_HtmlModule_lblContent"><p>Past AAPG President Randi Martinsen has overseen a major compilation of a list of the most influential papers in the different disciplines in petroleum geology. These lists include the seminal papers that introduced concepts that are now routinely used by geoscientists. Input was gathered from 20 sub-committees. </p> <p><a href="/top-100-papers" class="dnnPrimaryAction">Read More</a> </p> </div> </div></div> <div></div> </div> </div> </div><div class="DnnModule DnnModule-DNN_HTML DnnModule-22665 DnnVersionableControl"><a name="22665"></a> <div class="h3_title_dark_area"> <h3><span id="dnn_ctr22665_dnnTITLE_titleLabel" class="Head">Top 100 Field Trips</span> </h3> <div class="h3_dark_content"> <div id="dnn_ctr22665_contentpane" class="content_pad"> <div id="dnn_ctr22665_ModuleContent" class="DNNModuleContent ModDNNHTMLC"> <div id="dnn_ctr22665_HtmlModule_lblContent"><p>Steve Sonnenberg and Rick Fritz have compiled a list of the top 100 Field Trip Guides that are accessible on the Datapages and Search and Discovery sites. The list includes field guides from the past 70 years, from more than 30 different professional societies. 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