Ediacarans, Small Shells and the Dawn of the Phanerozoic.
1. Evidence for the Northward Drift of Britain Through the Phanerozoic.
The Proterozoic Eon CHAPTER 7. Proterozoic- Last chapter of Precambrian time The Proterozoic boundary is placed @ 2.5 By, mostly arbitrarily Essentially.
Science Olympiad Fossils Division B 2015 4 – Test/Game.
Proterozoic sedimentary rocks –in Glacier National Park, Montana The angular peaks, ridges and broad valleys –were carved by Pleistocene and Recent glaciers.
