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List of rock names
 Give each of your rock layers an appropriate rock name:
SEDIMENTARY (horizontal or tilted layers)
Breccia. Chalk, Chert, Coal, Conglomerate, Coquina, Dolomite, Flint, Greywacke, Gritstone, Laterite,
Lignite, Limestone, Marl, Mudstone, Oolite, Sandstone, Shale, Siltstone, Travertine, Wackestone
IGNEOUS (intrusions)
Andesite, Basalt, Diorite, Gabbro, Granite, Rhyolite
METAMORPHIC (folded layers)
Gneiss, Hornfels, Marble, Phyllite, Quartzite, Schist, Slate
Index Fossils
Oldest
Echinoderms
Gastropods
Bivalves
Foraminifera
Ammonoids
Corals
Ostracods
Brachiopods
Conodonts
Graptolites
Nautiloids
Trilobites
Archaeocyathids
Cut, paste and label at least 3 fossils onto your sedimentary rock layers. Be sure to place the older
ones in the bottom layers and the younger ones on top. You will name them on the back in your
geologic column. (see example on the instructional sheet)
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