Evidence for Evolution – The Fossil Record
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3. Permineralization• Weight of additionallayers compactssediment, makes rock• Mineral-rich waterpercolates down• Glues together particles;can replace exoskeletonwith rock• Thus, trilobite-shapedrock is lefthttp://www.fossils-facts-and-finds.com/fossil_<strong>for</strong>mation.html 6