The condition necessary for a mold fossil to form is that hard parts of the organism must dissolve. In this process, the hard parts leave an impression in the surrounding sediment, creating a mold of the organism. This is different from casting, where the mold is filled with sediment to create a cast fossil.
Which condition is necessary for a mold fossil to form?
The fossil must be preserved in amber.
Minerals must replace the remains.
The mold must be filled with sediment.
Hard parts of the organism must dissolve.
1 answer
27 answers