A Basaltic Lava Flow Contains Fragments of Sedimentary Rocks

question 57

Multiple Choice

A basaltic lava flow contains fragments of sedimentary rocks. Which of the following statements is true regarding their relative ages?

• A)The lava flow is younger than the sedimentary rock.
• B)The lava flow is older than the sedimentaryrock.
• C)The lava flow and the sedimentary rock are the same age.
• D)More information would be needed to determine their relative ages.

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Definitions:

Adsorption

The process by which atoms, ions, or molecules from a substance (it could be a gas, liquid, or dissolved solid) adhere to a surface of another substance.

Corrosion

The process of degradation of materials, especially metals, due to chemical reactions with their environment, leading to weakening and damage.

Fractures

Breaks, cracks, or splits in bones or geological formations, often resulting from stress or impact.

Leaks

Unintended escape of fluids (gas or liquid) from a container or system to the environment.