. . "From 570 million to 5 billion years ago" . . . . . . "Stratigraphy and sedimentation in the Helikian Eku Basin and Hiukitak Platform, Bathurst Inlet-Melville Sound, Northwest Territories" . . . . . . . . "Stratigraphy and sedimentation in the Helikian Elu Basin and Hiukitak Platform, Bathurst Inlet-Melville Sound, Northwest Territories" . "Stratigraphy and sedimentation in the Helikian Elu Basin and Hiukitak Platform, Bathurst Inlet-Melville Sound, Northwest Territories"@en . . .