Although depositional environments (and the resulting rock types) can change ove

Question

Although depositional environments (and the resulting rock types) can change over broad areas, fossils within the rocks allow geologists to correlate units despite any lithological differences. Below is an image of fossils found in an outcrop. A limestone in another outcrop 150 miles away contains fossils C and E. Which bed (labeled 1 through 10 on the image) does this limestone correlate to? Each species has a limited in a succession of stra 8 6 Oldest 0 The age succession of fossils in the 0 Brackets indicate the range of a Choose one: A. Bed1 O B. Bed2 O C. Bed 3 O D. Bed 4 O E. Bed 5 O F. Bed 6 O G. Bed 7 O H. Bed8 O I. Bed 9 O J. Bed 10

Explanation / Answer

A limestone in another outcrop 150miles awawy contains fossils C and E.

Here look at the outcrop, having 10 beds labeled from 1 to 10. Here in the outcrop different types of fossils present which are named from A to F. And in the left side of the image, brackets indicate the range of a species.

A limestone in another outcrop contains fossils C and E. The age range of fossil C is from bed-3 to bed-6. And the age range of fossil E is from bed-6 to bed-8. So, here bed-6 is the unit which contains both fossil C and fossil E.

So, the limestone in another outcrop 150miles awawy which contains fossils C and E is correlated with the bed-6.

So, here the answer is F. Bed 6.

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