KIMBERLITE FACTS
Number of kimberlites discovered in NWT > 350
Kimberlites economic occurrences in NWT 16
Kimberlites occur as pipes or dykes
Kimberlites occur in clusters up to 50
- Exception being Lac de Gras
Kimberlite clusters occur over areas up to 100 km (in diameter)
Economic pipes range in size from 0.4 ha to 146 ha
Worlds Largest Kimberlites (> 170ha) Fort a la Corne – Sask.
1 tonne kimberlite measures 12.2 cubic feet