mineral assemblage of the Mendip Hills, Somerset, UK using a stability field model Trevor F. Bridges,...within greisen veins in the western Mourne Mountains, Northern Ireland Norman R. Moles and Andrew G. Tindle...Roy Starkey 49-58 Hydrozincite from Swaledale, Northern Pennines Brian Young and Trevor F. Bridges 58-62...58-62 Copper and barium mineralisation at Forcett Quarry, East Layton, North Yorkshire Brian Young, Trevor...volume describe copper mineralisation in Forcett Quarry, North Yorkshire and at Rassal Mine in the Scottish |