Fossil dating example

fossil dating example

Fossil assemblage B includes the index fossils the orange ammonite and the blue ammonite, meaning that assemblage B must have been deposited during the interval of time indicated by the red box. Radioactive isotopes are unstable, so they are transformed into a more stable ones at a rate known to scientists emitting radiation. Pirolusita infiltrations in limestone. Paleomagnetism measures the ancient orientation of the Earth's magnetic field to help determine the age of rocks.

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Provide an idea of the sequence in which events have occurred.

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