By Mrs.Soheir Zaki Abdel-Fattah

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Presentation transcript:

By Mrs.Soheir Zaki Abdel-Fattah Fossils By Mrs.Soheir Zaki Abdel-Fattah

Fossils: traces and remains of an old living organisms in sedimentary rocks.

Why sedimentary rocks?

Traces & Remains

Types of fossils 1- complete body fossils. 2- mold 3- cast Types of fossils 1- complete body fossils. 2- mold 3- cast. 4- petrified fossils.

1- complete body fossils.

2- mold

3- cast

4- petrified fossils.

Importance of fossils

Age determination of sedimentary rocks

Figuring out the paleoenvironment The past environment of an area during a given period of its history.

Studying evolution <iframe width="560" height="315" src="https://www.youtube.com/embed/dPiw1nH4NZM" frameborder="0" allowfullscreen></iframe>

Petroleum exploration indicate presence of petroleum by microfossils