Geology

Identify each of the events represented on diagram 1. Include at least the information below:

(1) Begin with the oldest event. Make sure that you somehow tell me which event is the oldest, which is the next oldest, etc.

The oldest lettered event in the diagram is (C), referring to the sedimentary layer of limestone. The next oldest event is (B), which is the basalt and silt layer that infiltrated. The next oldest event is (A), which shows the impingement of the Colorado River. The youngest of these four lettered events is (D), which is a fault event and might represent the Great Unconformity.

(2) Name of feature or rock represented by each given symbol. Don't forget to include the faults, which are represented by A, C, and D.

(A) represents an inner gorge, which might have occurred due to the impact and subsequent erosion of magma

(B) is...
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