North America: De Beers structural study

The Snap Lake kimberlite is a diamondiferous dyke intrusion located in the Northwest Territories, Canada. SRK has been involved in the project since before De Beers Canada acquired it in 2000. The deposit dips from the shore under the lake at nearly 15 degrees, making it a technically challenging mine. Construction began in 2005 and production began in 2008. The Snap Lake kimberlite intrudes a complex, brittle structural system, related to pre-existing faults. Mining the kimberlite is further complicated by local zones of weak rock mass. SRK’s involvement was strongly focused on characterising the rock mass and understanding the geometry of the fault system through 2014.

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