Reference no: EM133208179 , Length: Word count: 2 Pages
Assignment Task: You may use anything at your disposal to answer these questions.
1. During the Cambrian, do we see a transgression or regression occurring across Laurentia?
2. What name do we give to the rocks deposited during this time?
3. List the 4 east/south coast orogenies that occur during the Paleozoic, in order.
4. There is an intriguing mid-continent orogeny that happens during this Era. What is it?
5. We find large Pennsylvanian deposits of laterally extensive and stacked coal layers. How do these form from relatively small and narrow swamp environments?
(I would like a short summary of the process whereby plants become coal, and how a small area can yield such wide deposits)
6. The west coast experiences the Antler Orogeny. This is the collision of a volcanic island arc. Explain what this is, and in 2 simple cross-sections draw how the continental margin looked (a) just prior to collision, and (b) during collision.( this question will certainly require a little thought)
7. What happened in Nevada during the Devonian?
8. What is Gondwana?
9. What traces of the Ouchita Orogeny can we see in Texas?
10. What is the last big continental piece to join with Pangea during the Permian?