The Lac Lamêlée iron deposit consists of magnetite Banded Iron Formation (“BIF”) of the Lake Superior type.
The Property area was subjected to high-grade metamorphism corresponding to the limit of upper amphibolite-granulite facies resulting from the Grenville Orogeny.
During metamorphism, the iron formation was recrystallized into a meta-taconite that contains coarsegrained specular hematite, granular magnetite and friable quartz. The grade of this type of iron formation is generally higher than in the un-metamorphosed taconite.
The iron mineralization on the Property is hosted in the Wabush Formation, within two major facies:
a) Iron Oxide Facies
The Iron Oxide member has been broken down into the following sub-units:
* Magnetite Iron formation (MIF)
* Hematite (specularite) Iron formation (HIF)
* Magnetite–hematite Iron formation (MHIF/HMIF)
The three sub-units differ in their ratios of magnetite to hematite but are geochemically and texturally similar. The units are described as well-banded, fine to medium grained rock with cm- to mm-scale beds of magnetite and/or hematite (typically specularite) alternating with quartz beds that usually contain disseminated magnetite and/or hematite. Locally, the bedding becomes diffused and the rock turns into a quartzite with disseminated magnetite.
b) Quartz-Pyroxene-Magnetite Facies (QPyrxM)
The QPyrxM unit is characterized by a significant proportion, ........
