Compression fossil: Difference between revisions

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Introduction - photo "FossilFernLeavesPennsylvanianOhio.jpg" - size parameter - changed to "upright=1.35" - see WP:IMAGESIZE
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[[Image:FossilFernLeavesPennsylvanianOhio.jpg|upright=1.25|300px35|thumb|Fossil [[seed fern]] leaves from the Late [[Carboniferous]] of northeastern [[Ohio]].]]
A '''compression fossil''' is a [[fossil]] preserved in [[sedimentary rock]] that has undergone [[compression (physical)|physical compression]]. While it is uncommon to find [[animal]]s preserved as good compression fossils, it is very common to find [[plant]]s preserved this way. The reason for this is that physical compression of the rock often leads to [[distortion]] of the fossil.