lurkyouallnightlong
412
3
1
Close up of ‘cheese puff’ type shapes in sandstone
Changed the hue to get a better look
About the size of adult hand
Found near a river bed in Oxford, England.
iseeunderboob
oatmeal cookie
sjs260563
worm burrows maybe
obie2kenobe9000
Everything's a fossil, some fossils are just fossils of rocks
3rdoption
Petrified magma.
RockHund
It look like burrows possibly Planolites or Thalassinoides
lurkyouallnightlong
Thank you
venomlash
Seconding the possibility of burrows. Clearly some bioturbation (churning of sediment by burrowing animals).
lurkyouallnightlong
So how old would we think this is?
venomlash
Very hard to say just based on the burrows; they're found in rocks of many ages. Local bedrock is Jurassic and Cretaceous in age though.