div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: The Origin of Petroleum src=https:reader037fdocumentsinreader037viewer202210250756812cb2550346895d916510html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divpJMAJMAp pThe Origin of PetroleumThe Origin of Petroleump pOrganic-richOrganic-richSource RockSource Rockp pThermally MaturedThermally MaturedOrganic MatterOrganic Matter OilOilpdiv