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Utah Education Network
Uen: Mineral Replacement in Fossil Formation
Activity demonstrates two ways fossils are formed.
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Fossil Formation
Learn how fossils are created.
American Geosciences Institute
American Geosciences Institute: In What Types of Rocks Do Fossils Form?
Learn about the types of rocks where fossils can form.
Curated OER
National Park Service: Geology of Devil's Tower
Welcome to Devil's Tower National Park in Wyoming! This highly interactive website reveals the geological processes behind the formation of this unique natural structure.