North American Nickel Inc

Richard (Rick) Mills
Ahead of the Herd

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As a general rule, the most successful man in life is the man who has the best information

Nickel Tenor – Ni concentration in 100% sulphides.

In nickel exploration you look for nickel tenor, which is a reflection of how much nickel you know is in the sulfides as a percentage of that sulfide. If you have nickel tenor of 6-8% (Falconbridge’s historic numbers) and you have 50% sulfide in your deposit, you are going to have 3-4% nickel – you know the grade, you know the outcome if you hit sulfides and that outcome is usually fairly consistent.

Below is a graph of 2012 Imiak Hill drill core visuals.

Here’s the 2012 Imiak Hill assay results:

MQ-12-001 – 26.98 m @ 0.98% Ni, 0.44% Cu and 0.04% Co

  Incl. 16.64 m @ 1.36% Ni, 0.52% Cu and 0.05% Co

  Incl. 5.12 m @ 2.20% Ni, 0.55% Cu, 0.07% Co MQ-12-002

MQ-12-002 – 66.08 m @ 0.55% Ni, 0.20% Cu and 0.02% Co

  Incl. 5.15 m @ 1.22% Ni, 0.49% Cu and 0.04% Co

  Incl. 14.18 m @1.33% Ni, 0.38% Cu and 0.04% Co

Aug. 23, 2013 – North American Nickel Inc. TSX.V – NAN is pleased to announce that diamond drill hole MQ-13-026 intersected an 18.62 meter core length of sulphide mineralization averaging approximately 40 – 45% total sulphides, including numerous sections containing 65% to 80% sulphides, within noritic host rocks at the Imiak Hill nickel-copper-cobalt zone on the Maniitsoq project.

As you can see from the visual sulphide intersections listed below today’s news release is reporting visual sulphide intersections vastly higher than previously reported intersections.  From today’s release – “sulphide textures, such as inclusion bearing massive and semi-massive sulphide, in MQ-13-026 are similar to those observed in the mineralized 2012 Imiak drill holes (MQ-12-001 and MQ-12-002); however, the volume percentage of sulphide in MQ-13-026 is significantly higher.”

The MQ-13-026 intersection occurs 142 to 159 m vertically below surface and is currently the deepest at Imiak, which suggests that the intensity of sulphide mineralization in the noritic host rock is increasing with depth.

Drill hole MQ-13-024 intersected a 14.15 meter long interval of well mineralized to semi massive sulphides with an estimated average of 30-35% total sulphides approximately 36 meters up-plunge of MQ-13-026.

Drill hole MQ-13-019, located 30 meters up-plunge of MQ-13-024 and 66 metres up-plunge of MQ-13-026 intersected 10.75 meters of sulphide mineralization that also correlates with Zone 30. This mineralization is more disseminated in nature.

Nickel Sulphide Deposits

North American Nickel has now delineated three, closely spaced, north-trending, near vertically dipping, steeply south-plunging mineralized zones at Imiak Hill.

“It is also important to note is that the intensity of the sulphide mineralization, as shown in the three holes referenced in this release, is increasing with depth. It is common knowledge that most nickel deposits occur at, or near the base of, mafic intrusions.”NAN COO, Neil RichardsonAug. 23, 2013 news release

Magmas (magma is a mixture of molten rock, volatiles and solids that is found beneath the surface of the Earth – Lava is the extrusive equivalent of magma) originate in the upper mantle and contain small amounts of nickel, copper and PGE. As the magmas ascend through the crust they cool as they encounter the colder crustal rocks.

If the original sulfur (S) content of the magma is sufficient, or if S is added from crustal wall rocks, a sulphide liquid forms as droplets dispersed throughout the magma. Because the partition coefficients of nickel, copper, iron and Platinum Group Elements (PGE) favor sulphide liquid these elements transfer into the sulphide droplets in the magma. The sulphide droplets sink toward the base of the magma because of their greater density and form sulphide concentrations. On further cooling, the sulphide liquid crystallizes to form the ore deposits that contain these metals.

There are two main types of nickel sulphide deposits. In the first, Ni-Cu sulphide deposits, nickel (Ni) and copper (Cu) are the main economic commodities – copper may be either a co-product or by-product, and cobalt (Co), Platinum Group Elements (PGE) and gold (Au) are the usual by-products.

The second type of deposit is mined exclusively for PGE’s with the other associated metals being by-products.

Nickel sulphide deposits can occur as individual sulphide bodies but groups of deposits may occur in areas or belts ten’s, even hundreds of kilometers long. Such groups of deposits are known as districts. Two giant Ni-Cu districts stand out above all the rest in the world: Sudbury Ontario, and Noril’sk-Talnakh, Russia.