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Paleontology
CK-12 MS_Earth Science (11.2: Relative Age of Rock)
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geologic time scale
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division of Earth's history into blocks of time distinguished by major geologic and evolutionary events
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Terms in this set (6)
geologic time scale
division of Earth's history into blocks of time distinguished by major geologic and evolutionary events
key bed
thin rock layer that is unique and widespread so it can be used to match rock layers by age in different areas
law of superposition
law stating that younger layers of sedimentary rock are deposited on top of older layers of sedimentary rock
relative age
the age of an object (younger or older) in comparison with the ages of other objects
stratigraphy
study of rock layers
unconformity
gap in a sequence of rock layers
