A Blog About Stone Gathering, Tumbling and Polishing, and Rocks and Landscapes, from New Zealand – With Musical Interludes (john.tumblestone@gmail.com)
These are trace fossils in an argillite stone. Probably burrows of some small animals from when they made their way through mud at the bottom of the sea.
What is this one
These are trace fossils in an argillite stone. Probably burrows of some small animals from when they made their way through mud at the bottom of the sea.