Question and Subparts 1.In the box below answer the following: What type of cont

Question

Question and Subparts

1.In the box below answer the following: What type of contact is between the Ridpath Sandstone and the Kavalier Shale (depositional conformity, depositional unconformity, intrusive, or fault)? How do you know?

B. In the box below answer the following: What are the relative ages of the Stohr and Gem faults? Use the age of the surrounding rocks to determine this. Explain your reasoning.

C.In the box below answer the following: Describe the geological history of this area. Include all deposition and tectonic events from youngest to oldest.

Cambrian Ridpath Sandstone Devonian Kavalier Shale Carboniferous Erving Limestone Permian Austen Siltstone Triassic Yamoto Sandstone hat posi stone pat : The This ty Figure 12 Birds oye view of Map 1. The fault boundaries are indicated by thick black ines g: The S The

Explanation / Answer

1. There is depositional conformity between Ridpath Sandstone and Kavalier Shale because there is continuous deposition near the boundaries and the boundary is smooth. The Stohr Fault has not caused displacement of strata.

B. The Gem fault is older than the Stohr Fault. This is beacuse the Stohr fault has npot caused any displacement of strata and has left the beds undisturbed. The Gem fault has caused disturbance in the beds.

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