Example of contents in a geological box which is held in Anglesey's Centre for Art and History.

Item 1 (OYM16)
Type: Basalt- pillow lava
Geological Age: Precambrian
Location: Llanddwyn
Historic Info: This kind of specimen is formed from lava entering water and cooling rapidly. This site is now an SSSI site so no more material can be collected which increases the scientific value of this specimen.