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Abstract. The evidence that has accumulated to date to support the thesis that deformational and stratigraphic controls are reflected in the occurrence and siting of metal deposits in SE Ireland is evaluated. In the case of an important tungsten deposit, stratigraphic influences can be seen in the geochemical and mineralogical development of wallrocks prior to crystallization of granite-hosted mineralization. Tourmalinites, confined to a definable stratigraphic interval, are associated with pegmatite-hosted lithium deposits. Though the stratigraphic control is important, the tungsten and lithium deposits are, in addition, confined to the trace of a major deformation zone.A number of recent studies address the question of the origin of various metal deposits associated with tourmalinite on the margin of the ca. 400 Ma Leinster Granite in SE Ireland (Kennan