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Buffalo Hills


The Buffalo Hills Property is located ~400 km northwest of Edmonton, in the Buffalo Head Hills Region of Alberta


21 mineral leases covering ~ 4,800 ha


The Buffalo Head Hills Region is underlain by Precambrian basement rocks of the Buffalo Head terrane, and by Phanerozoic sedimentary rocks of the Western Canadian Sedimentary Basin. The Buffalo Head terrane is defined primarily by geophysics and is composed of rocks 2.0 to 2.3 billion years old. Paleozoic and Mesozoic units up to 5,000 m thick overlie the basement. The kimberlites have intruded Cretaceous mudstones and sandstones that are 100 to 80 million years old. These kimberlites yield age dates of ~85 million years.

The Peace River Arch, an east-northeast-trending asymmetrical structure extending from British Columbia to northeastern Alberta, is the dominant structure in the area. The entire region was glaciated during the Laurentide ice advance which during its retreat deposited a blanket of till, lake sediment and glaciofluvial sediment up to 200 m thick. Historic exploration in the area resulted in the discovery of 41 kimberlites.


The Buffalo Hills Property is located within the Buffalo Head Hills Region of Northern Alberta. This region hosts the third largest district of diamond-bearing kimberlites in Canada, after Lac de Gras in the Northwest Territories and Fort à la Corne in Saskatchewan. To date, a total of 26 diamondiferous kimberlite pipes have been discovered on the Buffalo Hills Property. These kimberlites range in size from one to 47 hectares (ha).


38 kimberlite pipes have been discovered on the Buffalo Hills Property, 26 of which are diamondiferous. Six of these pipes have known economic potential. Previous exploration included geological mapping and prospecting, basal till sampling, airborne and ground geophysical surveys, reverse circulation and diamond core drilling, and mini-bulk and bulk sampling. The highest grade kimberlite discovered was K252, with an estimated grade of 55 carats per hundred tonnes (cpht). K6, K14, K91 and K252 are the four most prospective kimberlites, and these were the focus of later follow-up drill programs.

Mapping/Prospecting yes
Basal Till Sampleing (#) 1,122
Geophysical Airborne Surveys (line km) 158,563
Geophysical Ground Surveys (line km) 2,481
Drilling (RC) (#(m)) 90 (11,114)
Drilling (DDH) (#(m)) 202 (26,899)
Kimberlites Discovered 38

Mini-Bulk and Bulk-Sampling of Potentially Economic Kimberlites

Kimberlite Tonnes Diamonds (cts) Grade (cpht) Sample Type
K6 19.65 1.42 7.20 Mini-Bulk Sample
K11 21.85 0.96 4.4
K14 44.87 7.79 17.36
K14 Pit - 01 43.56 3.19 7.32
K14 Pit - 02 45.22 3.96 8.76
K14 Pit - 03 48.22 3.96 8.21
K91 35.87 4.56 12.71
BH225 1.00 0.03 3.00
K252 22.80 12.54 55.00
K14 479.00 56.45 11.78 Bulk Sample
K6 231.89 16.28 7.02


The Buffalo Hills Property is a Joint Venture between Canterra (50%) and  Star Diamonds Corporation (50%). Canterra is the operator of the project.