You come upon a series of folded sedimentary strata in the field. Which principle can you use to determine that they must have been disturbed after their deposition?

A. principle of lateral continuity
B. principle of inclusions
C. principle of superposition
D. principle of original horizontality

D. principle of original horizontality

Explanation:

When you come upon a series of folded sedimentary strata in the field, the principle of original horizontality can be use to determine that they must have been disturbed after their deposition.

The principle of original horizontality which was proposed in the 17th century by Nicholas Steno states that layers of sediment are originally deposited horizontally under the action of gravity, and thus, any disturbance in the consistency of these layers is an indication that it must have been disturbed.

D. principle of original horizontality

Explanation:

Strata can be seen as a rock layers and the layers are often laid down as sediment which is why layers are called STRATA and they are form from SENDIMENTATY rocks which are been deposited on the Earth's solid surface over a periods of time.

Therefore ORIGINAL HORIZONTALITY is the principle that can be use to determine that series of folded sedimentary strata in the field must have been disturbed after their deposition because sediments are often deposited in horizontal layers in which they are parallel to the surface on which they were deposited which can easily help to know by indicating that the crust has been deformed which is why layers of sediment are often deposited and can later be deformed.

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