div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader040fdocumentsusreader040viewer20220205235750686e1a28ab0f07b0211ahtml5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: A Gunflint type of microfossil assemblage from early Proterozoic stromatolitic cherts in China src=https:reader040fdocumentsusreader040viewer20220205235750686e1a28ab0f07b0211ahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divp© Nature Publishing Group1984pdivdiv class=trans-pagebuttonPage 2button div class=trans-image a href=https:reader040fdocumentsusreader040viewer20220205235750686e1a28ab0f07b0211ahtml5page2jpg target=_blank amp-img class=trans-thumb alt=Page 2: A Gunflint type of microfossil assemblage from early Proterozoic stromatolitic cherts in China src=https:reader040fdocumentsusreader040viewer20220205235750686e1a28ab0f07b0211ahtml5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divp© Nature Publishing Group1984pdivdiv class=trans-pagebuttonPage 3button div class=trans-image a href=https:reader040fdocumentsusreader040viewer20220205235750686e1a28ab0f07b0211ahtml5page3jpg target=_blank amp-img class=trans-thumb alt=Page 3: A Gunflint type of microfossil assemblage from early Proterozoic stromatolitic cherts in China src=https:reader040fdocumentsusreader040viewer20220205235750686e1a28ab0f07b0211ahtml5thumbnails3jpg width=142 height=106 layout=responsive amp-imga divp© Nature Publishing Group1984pdiv