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Sanderson

Overview

The Sanderson property consists of 1,039 claim-cells located 40km northeast of Eagle’s Nest. Noront acquired a 75% interest in the property from MacDonald Mines in 2016. It hosts one of the largest layered ferrogabbro sills in the ROF known as the ‘Big Mac’ intrusion (Figure 1). Past exploration focused on potential VMS mineralization in the hangingwall to Big Mac and magmatic Ni-Cu-PGE and chromite mineralization within the intrusion itself. To date no significant deposits have been identified on the property, however there remain numerous untested airborne EM conductors in the hangingwall to the Big Mac intrusion within intermediate to felsic volcanic rocks which could host VMS mineralization.

Figure 1: Regional Geology of the Sanderson property

Figure 1: Regional Geology of the Sanderson property

In early 2016 Noront identified a significant magnetic anomaly (the Pinay target) located in the footwall to the Big Mac intrusion (figure 1) which had never been tested and which was thought to be a large ultramafic intrusion similar in scale to the Black Thor Intrusive Complex (BTIC) with the potential to host Ni-Cu-PGE mineralization.

Pinay Ni-Cu-PGE Target Model

Regionally, ferrogabbro sills in the ROF have a close spatial, and possibly genetic, association with underlying ultramafic intrusions. This is best observed in the southern ROF where the Thunderbird layered intrusion lies stratigraphically above the ultramafic sill complex hosting the Ni-Cu-PGE and chromite resources in the ROF. The Pinay target (named after the Ojicree word for ‘partridge’, from the shape of the anomaly) is similarly situated in the footwall to the Big Mac intrusion, one of the largest ferrogabbro bodies in the ROF. A recently acquired high-resolution airborne magnetic survey over the target shows it to be up to 800m thick by 4.5km long (figure 2) with a tabular main body and two to three sinuous limbs and internal magnetic layering similar in texture to the BTIC.

2018 Drilling Results

In the fall of 2018, Noront initiated the first ever drill program on the Pinay Target in an attempt to identify a bedrock source to the magnetic anomaly. The four-hole (1,351m) program was designed to test the northern and southern limbs as well as the main body of the magnetic anomaly (figure 2). Drilling intersected a series moderate to strongly magnetic ferrogabbro intrusions cut by numerous late felsic dykes. Ferrogabbroic units in the main body showed evidence of fractionation with pyroxenitic base and leucogabbroic top. Fractionation trends suggest stratigraphic tops to the east. No significant Ni-Cu-PGE values were returned from the assaying. Given the lack of olivine-rich ultramafic rocks in this drill program, the Pinay target has been downgraded and no further work is planned here.

Figure 2: High-resolution magnetic map of the Pinay Ni-Cu-PGE Target

Additional Ni-Cu-PGE Targets

In addition to the Pinay target, Noront is examining the footwall environment along the northern margin of the Big Mac intrusion where our recently acquired high-resolution magnetic survey has identified numerous discrete and somewhat sinuous magnetic anomalies in proximity to more primitive portions of the Big Mac intrusion.

Eagle Two Ni Occurrence
Eagle Two is a shear hosted nickel-copper-PGE occurrence which varies in thickness between 10-200m, located within and adjacent to the Blackbird chromite deposit.  The mineralization occurs in a series of massive to brecciated sulphide veins containing pyrrhotite, chalcopyrite, and pentlandite.

Blue Jay (AT-12) Ni-Cu-PGE Occurrence
Blue Jay is a nickel, copper sulphide occurrence located 9.5 km northeast of Eagle’s Nest. It contains pervasive, low grade nickel and copper occurring as finely disseminated pyrrhotite, chalcopyrite and pentlandite, constrained within an ultramafic dike measuring on average: 1,400 metres in length, by 200 metres in width, by 600 metres in length, and plunging to the south-southwest at 65 to 70 degrees.

Triple J Gold Zone
Triple J Gold Zone is a large, low-grade zone of gold mineralization related to the sheared contact between the peridotite and the hanging wall granodiorite 2 km southwest of Eagle’s Nest. Triple J ranges in thickness from several centimetres to tens of metres with a strike length currently defined at 1 km and to a depth of 300 metres.

Thunderbird Fe-Ti-V Occurrence
Thunderbird is a large iron-vanadium-titanium occurrence, located 12 km northeast of the Eagle’s Nest deposit and 2 km east of the AT12 occurrence. It is demarcated by a magnetic high which trends north-east as part of a magnetic anomaly that is 7 km long, and 3 km wide.

Kyle Kimberlite
The Kyle Property consist of a kimberlitic body that was discovered in 1993 and is located approximately 70 kilometres east of the Ring of Fire. The kimberlite body was tested for diamonds and was found to contain promising contents of micro- and macro-diamonds of varying carats. No exploration work on this property has taken place since the early 2000’s.

MacFadyen Kimberlites
The MacFadyen Properties consist of 4 kimberlitic bodies that were discovered between 1995 and 1996 located and are approximately 7 kilometres north of the Victor Diamond Mine. All kimberlites were tested for diamonds and were found to contain promising contents of micro- and macro-diamonds of varying carats. No exploration on these properties has taken place since 2007.

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