The metalliferous mineral potential of the basic rock of the Penmynydd Zone, south-east Anglesey /
Colman, T. B.
Peart, R. J.
British Geological Survey.
Great Britain.Department of Trade and Industry.
Keyworth : British Geological Survey,
1993.
Report prepared for the Department of Trade and Industry
Includes bibliographical reference.
Mines and mineral resources
Geology, Stratigraphic