fossil tree bark impression

jeff a

Sr. Member
Sep 16, 2008
473
18
ne ohio
found this in ne ohio
HPIM0310.jpg

CopyofHPIM0311.jpg

HPIM0312.jpg
 

thats a cycad tree. This species was common about 300 million years ago when the coal seams were formed. This tree could grow a foot a day and become huge, but had a short lifespan. These trees are the reason we have coal, They grew in swamps.
 

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