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Ammonite and petrified wood HC192
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Ammonite and petrified wood HC192

The ammonite is an extinct marine animal with a spiral-form shell. 
The petrified wood is fossilized over many years.  There is a chemical change which makes the wood turn to stone.


date: 100-200 million years old.


maximum dimension:
 Ammonite: 85mm        Petrified wood: 145mm length

 

subject area: Social Science, Science, Maths

subject themes: Fossils, Geology, Minerals

 

handling collection number: HC192

http://www.discoveringfossils.co.uk/ammonites.htm

Ammonite and petrified wood HC192
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