![Crinoid / Echinoderms / Paleozoic / Protractor / Slab / Biology / Geology / Crinoidea / Fossils Crinoid / Echinoderms / Paleozoic / Protractor / Slab / Biology / Geology / Crinoidea / Fossils](https://www.pdfsearch.io/img/ad264e45722e9cee549a50ca0428ebb7.jpg) Date: 2013-08-18 13:21:31Crinoid Echinoderms Paleozoic Protractor Slab Biology Geology Crinoidea Fossils | | CRINOIDAL LIMESTONE Purpose The purpose of this activity is to determine if there is any orientation to the crinoid stems and to measure their size ranges. If a preferred orientation is found this can tell us something aAdd to Reading ListSource URL: www.earth-science-activities.co.ukDownload Document from Source Website File Size: 43,39 KBShare Document on Facebook
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