80 answer the questions below. when you are finished, submit this assignment to your teacher by the due date for full credit. in this laboratory experiment, you will write a narrative history of a rock section found in the grand canyon. you will describe and explain the events starting with the vishnu schist forming and ending with the unconformity above the redwall limestone in the mississippian. your description should include environmental changes. example: • sea level lowered, and the esplanade sandstone was deposited in a beach environment. • erosion, and the sea level rose. • hermit shale deposited in a deeper sea. • sea level drops, returning the area to a beach environment where the coconino sandstone was deposited. 1. interpret the bottom half of the cross section below. start with the vishnu schist and end with the redwall limestone. scoring: (8 points) score correct order: (8 points) score proper environmental changes: (4 points) score attention to detail and completeness:(5 points) score 2. there is one of each type of unconformity in this diagram. name at least one of each of them by indicating the layers that they are between. nonconformity:angular unconformity:disconformity:your score of 25