Re: Info on Type of Pebble?


Mardon wrote:

My daughter found the pebble shown at:
http://www.JustPhotos.ca/misc/images/pebble.jpg
It was lying on the ground near Dryden, Ontario, Canada (N49.807º,
W92.856º). Can anyone tell us about the nature of this pebble that
has a light coloured core, inside the harder, darker shell? There
was nothing similar to be seen in the area but I guess we wouldn't
have noticed this one either if it had not been already split in two.
Thanks for any comments offered.

As Carsten says, Limonitic concretion is a good guess.

Cheers

Nigel
Hull East Yorkshire
The Ice Age Coast

.

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