這套化石組合主要是用來說明化石形成的過程，精選了15種基本的化石。
內含詳細的說明及地質年表(英文)。
The fossils in this study unit help to illustrate the major processes by which a life form is preserved as a fossil.
Some of the specimens will illustrate processes such as petrification, pyritization, molds and casts, and distillation.
15 natural specimens in a compartmental container.
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