Acme zone

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In biostratigraphy, an acme zone, abundance zone, or peak zone is the the area of a teilzone where a particular fossil taxon reaches a higher level of abundance.[1]

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[edit] References

  1. ^ Holtz, Thomas R., Jr; Merck, John W., Jr. (2006). GEOL 331 Lectures 6-7: Biostratigraphy. GEOL 331: Principles of Paleontology. University of Maryland. Retrieved on 2008-04-16.