When Marine Geologists Collects a Core of Undeformed Ocean-Floor Sediment

question 32

Multiple Choice

When marine geologists collects a core of undeformed ocean-floor sediment, they know that the youngest layer is on the top of the core and the oldest is at the bottom because of the principle of __.

• A) supposition
• B) suspension
• C) superposition
• D) inclusion
• E) cross-cutting relationships

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Definitions:

Eons

The largest division of geological time, comprising multiple eras, and spanning hundreds of millions to billions of years, marking significant changes in the Earth's geology and biological history.

Geologic Timescale

A system of chronological dating that relates geological strata to time, used by geologists to describe the timing and relationships of events that have occurred throughout Earth's history.

Devonian Period

refers to a period in the Paleozoic Era, approximately 419.2 to 358.9 million years ago, known for significant diversification of life, especially in marine environments.

Radiation of Fishes

The diversification of fish species over time and environments, leading to a variety of adaptations and forms.