Identify Rock Layer Patterns
4th Grade Science · Flashcards
4TH GRADE SCIENCE · FLASHCARDS
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QUESTION
Which rock layer is older: a layer cut by a fault or the fault itself?
QUESTION
Which event happened last if a fault cuts across Layers 1–4 and also cuts a dike?
QUESTION
Identify what a ripple-mark pattern preserved in rock most likely indicates.
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ANSWER
Water or wind moved sediment at the surface long ago. Ripples form from flowing water or wind and can be preserved.
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