If a Geologist Wished to Date an Outcrop of Sandstone

question 58

Multiple Choice

If a geologist wished to date an outcrop of sandstone beds that he or she found,which of the following should they look for to yield a specific date?

• A) a fossil known to have a wide geographic distribution and to have existed over a long range of time
• B) a sedimentary layer constrained by igneous or metamorphic rocks
• C) a fossil known to have a small geographic distribution and to have existed over a short range of time
• D) a sedimentary layer cut across by a fault

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