Cenozoic Era

What time period does this describe?

If you laid out geologic time as if it occurred in a single calendar year, when would you expect human history to be recorded?

What is a likely protolith for this rock?

Which of the following data sets are NOT helpful when deciding the historical fit of the continents? (i.e the configuration of the supercontinent) Mark all that apply. Consider Alfred Wegener’s evidences for continental drift.

What is a likely depositional environment during this time?

What is a likely explanation for the changes we see in the fossil record (like at House Range) at this time?

In what environment does this rock type typically form?

The rock identified above is 4.03 Ga. This is the oldest yet dated rock in Earth’s history. Which part of Earth’s biography does this characterize?

The middle layer is characterized by poorly sorted sediment ranging from fine to extremely coarse. The image below provides a closer look. The large white rock pictured below is ~3 feet wide. What is this rock?