Which of the Following Best Characterizes an Angular Unconformity

question 82

Multiple Choice

Which of the following best characterizes an angular unconformity?

• A)Tilted strata lie below the unconformity; bedding in younger strata above is parallel to the unconformity.
• B)Horizontal lava flows lie below the unconformity and horizontal; sedimentary strata lie above.
• C)The discordant boundary between older strata and an intrusive body of granite.
• D)Tilted strata that lie below the unconformity are truncated at the unconformity,and strata above the unconformity are also tilted and truncated,but at a different angle

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Definitions:

Gastrocnemius

A major muscle in the calf of the leg, involved in walking, running, and jumping.

Soleus

A powerful muscle in the calf of the leg that is involved in standing and walking, lying beneath the gastrocnemius muscle.

Sternocleidomastoid

The sternocleidomastoid is a muscle in the neck that runs from the sternum and clavicle to the mastoid process of the temporal bone, involved in head movement.

Orbicularis Oculi

A circular muscle that surrounds the eyelid, allowing it to close or blink.