Carnian Norian boundary based on conodonts corresponds to basal Newark magnetozone E7 at about 228 Ma (adopting Newark astrochronology), implying a long Norian with a duration of l20m.y. and a Rhaetian of about 6 m.y. du - F-scale - Document - PDFSEARCH.IO

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Date: 2015-04-16 11:32:18		Carnian/Norian boundary based on conodonts corresponds to basal Newark magnetozone E7 at about 228 Ma (adopting Newark astrochronology), implying a long Norian with a duration of l20m.y. and a Rhaetian of about 6 m.y. du Add to Reading List Source URL: www.agu.org Download Document from Source Website File Size: 15,71 KB Share Document on Facebook