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These rocks are tilted due to deposition on the non-horizontal surfaces of primitive rocks.

Throughout the history of life, different organisms have appeared, flourished and become extinct.For a fossil to be a good index fossil, it needs to have lived during one specific time period, be easy to identify and have been abundant and found in many places. If you find ammonites in a rock in the South Island and also in a rock in the North Island, you can say that both rocks are Mesozoic.is, as mentioned earlier, the technique of piecing together the informational content of separated outcrops.When information derived from two outcrops is integrated, the time interval they represent is probably greater than that of each alone.Presumably if all the world’s outcrops were integrated, sediments representing all of geologic time would be available for examination.

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