Inventory Reference GEO032 Formal Gradings Grading Grade IIIb Grading Date 17/10/2013 GradingComment Good example of dolerite dyke intruding granite in the Cape Peninsula. Local interest Grading by: DOUG COLE Statement of Significance Geological heritage site comprising a thick northwest-trending dolerite dyke approximately 132 million years old intruding Cape granite, 540 million years old. Is of local significance. Significance criteria Significance Categories Research, Teaching or Benchmark Site Sphere of Significance Local Level Low