Fossils
by
asdfs22
Last updated 8 years ago
Discipline:
Science Subject:
Geostudies
Grade:
7


Trace fossils
Fossils
original remains are fossils that are preserved in amber or ice. All of the body party even the wings on a fly are preserved to the finest details.
original remains
Trace fossils are tracks and trails that living organisms left behind.
perminerlized is when something like a piece of wood is in water for to long and the minerals go into small holes in the wood and hardens then the wood decays and the minerals are still there.
perminerlized
the mold is when a fossil falls into sedements decays and water and minerals falls into tiny holes in the sedements and the water evaporats and all thats left are the minerals and the left over minerals forms the mold.
Mold
Cast
a cast is when a fossil falls into sedements and decays over time and there is a small gap were the fossil was. There is a imprint of the fossil on the rock were it decayed.
carbon filmed is when a plant gets buried in sedements and it decays it leaves behind a thin film coatings of carbon.
carbon filmed
By : Anthony Escobar
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