tree trunk buried sediments minerals slowly take place materials formed tree trunk

A tree trunk is buried in sediments. Minerals slowly take the place of the materials that formed the tree trunk. Even the structures of the cells are preserved. What do we call a fossil that forms in this way?
 
Do you need a similar assignment done for you from scratch? We have qualified writers to help you. We assure you an A+ quality paper that is free from plagiarism. Order now for an Amazing Discount!
Use Discount Code "Newclient" for a 15% Discount!

NB: We do not resell papers. Upon ordering, we do an original paper exclusively for you.