It is actually a
septarian nodule, probably formed in Liassics clays or shale. These are
diagenetic development, commencing their growth shortly after sediment burial.
They occur at certain specific horizons in the Lias.
The internal cavities are produced by crystal growth in the exterior expanding
the periphery. They sometimes contain fossils. It is a nice specimen. http://www.discussfossils.com/forum_s/post__smiley.gif
( The finder - with the answer from Uni Southampton Dr I West )
THANKS A LOT to everybody. Ueli Z
The contact of said email will be contacted to explain
where they can find this page to obtain the info, & to comment should they
Thank you all in advance for your help
From the UKGE team.
Dear Fossil Experts
May I ask you for your help please.
Having found a strange looking fossil I wonder if you
could help me to identify it?
It is from the Bristol Channel - Kilve area; about 20 cm
long and 16cm wide / 4 - 5 cm thick and weighs some 3 pound.
There were other similar ones around but broken ~ on/in
seriously heavy rocks.
The photos I took show clearly enough I
Thank you very much.
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