If a Sandstone Lies on Top of a Shale

question 1

Multiple Choice

If a sandstone lies on top of a shale,

• A) the shale must be older,according to the principle of superposition.
• B) the sandstone must be older,according to the principle of superposition.
• C) the shale must be older,according to the principle of original horizontality.
• D) their relative ages cannot be determined from the information given.

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