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Biostratigraphy

earth science Maturity 7-9

Old rocks have fossils inside.

Archeocyathids.JPG
Archeocyathids.JPG
These are remains of things that lived long ago. We look at them to learn about time. They help us see how old a rock is. Do you like looking for fossils?
Faunal sucession.jpg
Faunal sucession.jpg

40 words
🖼️ Images & Media (3)
File:Archeocyathids.JPG
Archeocyathids.JPG
File:DiplograptusCaneySprings.jpg
DiplograptusCaneySprings.jpg
File:Faunal sucession.jpg
Faunal sucession.jpg
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📚 Content adapted from Wikipedia | Readability: FK 14.4 | Vital Level 5