Fossils in igneous rocks can be radiometrically dated

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How is it that geologists know the period or epoch that a particular species of fossil organism lived if we cannot radiometrically date the fossil to get an absolute age date?

A) Most fossils themselves are slightly radioactive, and can be dated radiometrically.

B) They are able to get radiometric dates from igneous rocks, such as ash layers, that are associated with the deposition of the fossil.

C) They are able to determine relative dates from igneous rocks that are associated with the deposition of the fossil.

D) The fossils in igneous rocks can be radiometrically dated.

Reference no: EM132187277

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