A wnaiff yr Ysgrifennydd Cabinet gomisiynu adroddiad i asesu’r potensial o ran chwilio am fwynau critigol yng Nghymru?
Wedi'i ateb gan Y Dirprwy Brif Weinidog ac Ysgrifennydd y Cabinet dros Newid Hinsawdd a Materion Gwledig | Wedi'i ateb ar 19/06/2025
Comprehensive analysis of Critical Raw Material (CRM) prospectivity in the UK was undertaken by the British Geological Survey (BGS) in 2023.
We would not wish to duplicate work already undertaken by the BGS.