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Why are index fossils used to date other fossils in an area of rock
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Apr 6, 2017
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Why are index fossils used to date other fossils in an area of rock
Chemistry
middle-school
Jon McAuliffe
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Index fossils
can be used
to help determine the relative age of
rock
layers.
Index fossils
are from species that only existed for a short time.
Index fossils
are found in
rock
layers. Trilobites and Graptolites are
index fossils.
Pedrostanaka
answered
Apr 11, 2017
by
Pedrostanaka
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