Buffalo Hills
Star-Orion South Diamond Project
Buffalo Hills

Canterra Minerals Corporation (formerly Diamondex Resources Limited) and Shore Gold Inc. each hold a 33 percent interest in the Buffalo Hills project, and EnCana Corporation holds the remaining 34 percent interest.

Located in northwestern Alberta, the property is situated in the Early Proterozoic Buffalo Head Terrane which is overlain by three Cretaceous aged sedimentary formations of marine and non-marine sequences of sandstone, siltstone and shale.  Intruded through the Cretaceous sediments, in a similar manner to the Fort à la Corne kimberlites, are 38 kimberlites which are believed to be aged in the range of 86-88 million years old.  Of the 38 kimberlites, 26 are regarded as diamond bearing and range in area from less than 1 hectare to 47 hectares.  The kimberlites outcrop in part while some have undergone some glacial disturbance with the deposition of glacial till over the top.  The till can be over 100 metres thick in some parts.

Since the acquisition of the interest in the property, the BH-JV undertook ground geophysical surveys over several targets during the fall of 2007. A $5 million exploration program (Shore, 50 percent contributor) was completed during 2008 which resulted in a total of 41 PQ sized drillholes (6,818 metres) being completed over three bodies considered as being of "high interest".

Shore logged more than 5,000 metres of drill-core from this program which resulted in the development of preliminary three dimensional models for the K6, K252 and K14 kimberlites.   Further drilling is planned for 2010 with 11 drill holes totaling approximately 1,980 metres to be completed on the K5 and K91 kimberlites and up to four additional drill holes targetting priority grid locations on the K6 and K14 pipes. Upon completion of the 2010 field work it is expected that preliminary three-dimensional geological models will be completed for the K5, K6, K14, K91 and K252 pipes. These geological models will guide the targeting of kimberlite bodies for future mini-bulk sampling.  

Processing of bulk sample material in 2008 resulted in 27.41 carats being recovered from 368.89 tonnes of kimberlite from both the K6 and K14 bodies to give average grades of 7.0 cpht and 8.1 cpht, respectively.  These results need to be viewed in the context of the K14 geological model which shows that the samples were not truly representative of the major geological unit within the K14 body.


Buffalo Hills Project Location

Buffalo Hills Joint Venture


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