Non-ceph: Fossil ID request

Phil

TONMO Supporter
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Joined
Nov 19, 2002
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3,034
#3
Hi brntbow,

Welcome to TONMO!

I'm afraid I can't see much fossily at all in those pictures. A google search of North Bay, Ontario reveals that the rocks there are mostly volcanic granite and therefore could not contain fossils. One really needs sedimentary deposits I'm afraid.

Maybe someone will have a different opinion, but I think those features are purely geological.

Sorry old chap!

Phil
 

pipsquek

Wonderpus
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Joined
Nov 9, 2003
Messages
216
#5
I have to agree with Phil, and would add that it is likely that the depression you are referring to is likely caused by erosion, since variable heat in magma produces different molecular organization resulting in varying hardnesses. Think of the Japanese method of producing swords, with the cutting edge harder than the rest of the blade, which is created by wrapping the blade with clay to act as a heat sink, thereby producing two different hardnesses out of the same metal. The softer one, in the case of the rock, would wear away quicker from the forces of erosion.
 

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