. "Campsie Dyke"@en . "298.9"^^ . . . "Quartz-microgabbro."@en . "CAMPS"@en . . "Campsie Dyke"@en . . "330.3"^^ . "stable"@en . . "Quartz-microgabbro. Igneous intrusive bedrock. Occurs onshore. Emplaced during the Late Mississippian Epoch - to - Late Pennsylvanian Epoch (Carboniferous Period) (330.3-298.9 Ma BP)."@en .