Acritarchs, conodonts, graptolites and trilobites would all be useful as index fossils, environmental indicators, or relative dating tools for ________.
A)Cretaceous through Eocene aeolian deposits
B)Cenozoic conglomerates
C)Mesozoic coals
D)Paleozoic marine shales and carbonates

Question

Quizplus · Accepted Answer

Acritarchs, conodonts, graptolites, and trilobites are all commonly found in Paleozoic marine shales and carbonates, making them excellent resources for index fossils, environmental indicators, and relative dating tools in this context. They are not typically found in aeolian deposits, conglomerates, or coals.

Acritarchs, Conodonts, Graptolites and Trilobites Would All Be Useful as Index