Part B
A Correlated History of Earth: Proterozoic
We return to the poster A Correlated History of Earth (see Figure 9-4). Today's lab will focus on the Proterozoic section at the bottom portion of the poster.
|
|
|
|
Figure 9-4. As we learned in the previous lab, the poster A Correlated History of Earth contains an abundance of information about Earth's history. The image on the right shows the portion of the poster that we will concentrate on in this lab. |
|
Answer Quiz Me! questions B05 through B10 using the A Correlated History of Earth poster (see the PDF link below). Refer to the Proterozoic section to answer the questions.
|
A Correlated History of Earth |
|
See the symbol key for definitions of the many map symbols and features. |
Time, Tectonics, & Classic Rock Localities
Impact Craters and Events
Life Forms
Proterozoic Paleogeography
Let's now explore the paleogeography of the southwestern United States, as interpreted by Dr. Ron Blakey (Professor Emeritus, Northern Arizona University). Dr. Blakey compiled a great deal of data and created high quality diagrams relating to the geography of Earth's past (i.e., Earth's paleogeography).
Go to the Paleogeography and Geologic History of the Southwestern U.S. page to answer Quiz Me! questions B11 through B16 (see the link below). Refer only to the text and maps in the Proterozoic section.
|
Paleogeography and Geologic History of the Southwestern U.S. |
|
Tan/brown represent land areas, light blue represent shallow marine areas, and dark blue represent deep marine areas. |
Paleoproterozoic
Mesoproterozoic
Neoproterozoic