This is an Original Remains. It is an Original Remains because it is a shape of a plant or an animal. It also still has the shape of the leaf and people can tell what kind of leaf it is.

This is an example of Replaced Remains. This is a Replaced Remains because it has all kind of minerals in the wood. As you can see there are different colors in the wood that is because it has different kind of objects in there that have been crushed down and formed in with the wood.