Stratigraphy dating

Steno formalized the laws of superposition, original horizontality, original continuity and inclusions in his publication entitled states that any inclusion is older than the rock that contains it.

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We find that a hiatus spanning MIS 2 is widely observed in most of our cores, resulting in a merging of Mn peaks of Holocene age and the later part of MIS 3.

I decided to take a very close look at how the previous papers by Morwood and colleagues (2004) and Richards and colleagues (2009) went wrong, and to what extent other conclusions might be altered by the new chronology.

Understanding these mistakes should help us to avoid making similar mistakes in the future.

The realization that sediments turn into rock was counter to the view that all rocks on Earth formed in a single creation event.

Once Steno recognized that the fossils he was contemplating (sharks teeth and sea shells) were formed in the sediments of oceans he was able to work out the basic rules of stratigraphy.

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