div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader040vdocumentssitereader040viewer20220205235750682a1a28ab0f07aee571html5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: Some Radiometric Rock Ages and the Problem of the Southward Continuation of the East Greenland Caledonian Orogeny src=https:reader040vdocumentssitereader040viewer20220205235750682a1a28ab0f07aee571html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divp© Nature Publishing Group1964pdivdiv class=ts-pagebuttonPage 2button div class=ts-image a href=https:reader040vdocumentssitereader040viewer20220205235750682a1a28ab0f07aee571html5page2jpg target=_blank amp-img class=ts-thumb alt=Page 2: Some Radiometric Rock Ages and the Problem of the Southward Continuation of the East Greenland Caledonian Orogeny src=https:reader040vdocumentssitereader040viewer20220205235750682a1a28ab0f07aee571html5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divp© Nature Publishing Group1964pdiv