EARTHSC 1G03 Lecture Notes - Lecture 13: Outer Core, Mesozoic, Paleomagnetism
16 Dec 2017
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The continents fit: looking at a map looking at the continents they seem to look like puzzle pieces and could look like they fit together with little overlap. Wegener thought the fit was too good to be a coincidence. Locations of past glaciations: glaciers carry sediments containing (clay, silt, sand, pebbles, and boulders). When the ice melts it leaves the sediment behind. Wegner discovered that sediments indicative of late paleozoic glaciation occurred in southern south america, southern africa, southern. All late paleozoic glaciated areas lie adjacent to each other on his map of pangea. This distribution of glaciers could be easily explained by suggesting that all the continents were connected in pangea. These ancient rocks layers scatter throughout the world but looking the world under the view of pangea they align. The distribution of fossils: (basic summary) wegner searched for records of fossil occurrences indicating where land-dwelling species lived during the last paleozoic and mesozoic.
