Missouri Geological Map: Difference between revisions
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*Paleozoic Erathem - [https://ilstratwiki.web.illinois.edu/index.php/Historical:Paleozoic_Erathem#:~:text=Paleozoic%20Erathem%20%2D%2Dthe%20rocks,Mississippian%20and%20Pennsylvanian)%20and%20Permian] | *Paleozoic Erathem - [https://ilstratwiki.web.illinois.edu/index.php/Historical:Paleozoic_Erathem#:~:text=Paleozoic%20Erathem%20%2D%2Dthe%20rocks,Mississippian%20and%20Pennsylvanian)%20and%20Permian] | ||
*Lithostratiogaphy - study of rock layers - [https://en.wikipedia.org/wiki/Lithostratigraphy#Types_of_lithostratigraphic_units] | *Lithostratiogaphy - study of rock layers - [https://en.wikipedia.org/wiki/Lithostratigraphy#Types_of_lithostratigraphic_units] | ||
*Geologic time scale - 4+ billion years for earth - [https://en.wikipedia.org/wiki/Geologic_time_scale]. First life at 4B. About 500M years ago - Cambrian Explosion. | |||