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201-Ammonites, Jurassic, England Grades 7-12 $8.00
Mystery includes rock, fossil, or mineral sample and Mystery questions with teaching instructions.

A specimen of ammonite from the lower Jurassic age (Lias) in England. The shell must show growth lines (ribs)

-- To practice the taxonomic system of classification
-- To discuss paleogeography and the concept of an ocean over England
-- To discuss index fossils and the grunt work of stratigraphy (the study of sedimentary rock strata, or layers)
-- To apply the concept of specific gravity to solve a larger mystery, i.e. global distribution of a marine animal and species dispersion
-- To determine the age of a fossil individual
-- To discuss the extinction event at the end of the Cretaceous, and the effect a meteor impact may have had on ammonites

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Ruth Deike
Rock Detective Geoscience Education
395 Deer Run Drive
Nellysford , VA 96080

Phone: 434-263-3737



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