Petrified fossils are formed when? An animal leaves an imprint in mud that hardens and is preserved An imprint fossil is filled with material that makes a replica of the animal An animal's bones become fossilized An animal is trapped in tree sap @AlexandervonHumboldt2
what do you think it is
thse fossils are not prints they remain whole
B
you sure?
Petrification is the process of turning living organic material into stone. This process takes place when the molecules in an organism are replaced with the molecules of a mineral. A petrified fossil is different from other fossils such as resin fossils or permineralized fossils because the original material of the organism is still intact in resin fossils or permineralized fossils. Permineralization is often confused with petrification because it is the first step in the petrification process. The difference is with permineralized fossils, the pores of the organism are filled with minerals but the tissue of the plant or animal are still intact and are not replaced with minerals. Read more : http://www.ehow.com/info_10017264_petrified-fossil.html
ok thanks! :
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