geologic

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Definition/MeaningWord/Phrase
time, longest division of geologic eon
geologic faults, elongated depression between graben , rift valley
national park in Arizona including the mile deep canyon of the Colorado River which shows geologic features and fossil plants and animals Grand Canyon National Park
fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found guide fossil , index fossil
evolution on a large scale extending over geologic era and resulting in the formation of new taxonomic groups macroevolution
third era of geologic time, 65 to 240 million years ago Mesozoic
study of geologic features once at the surface of the earth but now buried beneath rocks palaeogeology , paleogeology
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