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Crater Lake

The Crater Lake Project is located 200km northeast of Schefferville, Québec and is accessible via fixed-wing aircraft or helicopter. The property consists of 57 contiguous claims covering 27.8km2 and are owned 100% by Imperial Mining Group Ltd.

Crater Lake Technical Report

The property lies in the Churchill Province in the southwestern region of the Mistastin Batholith (1.4Ga). The Mistastin Batholith covers an area of approximately 5,000km2. The dominant lithologies are granite and quartz monzonite with pyroxene. It is cut by younger biotite hornblende granite, which is in turn cut by a 6km diameter smaller olivine quartz syenite, the Crater Lake Intrusive Complex. The Crater Lake syenites are therefore interpreted to be a late differentiate product of the Mistastin Batholith. The dominant exposed lithology is a massive syenite, which contains 1 to 10% of interstitial ferromagnesian minerals. A melanocratic unit, the ferro-syenite, which contains more than 50% ferromagnesian minerals, including cumulate fayalite and hedenbergite, occurs as discontinuous layers, sills and amoeboid-like inclusions or narrow dikes and appears to correspond to several magnetic high features observed at the periphery of the Complex. 

In 2007, as part of a regional evaluation program, one sample collected in the area that is now the Crater Lake Project returned a high concentration of iron oxide and rare earth elements (REE). This information was inherited by Quest Rare Minerals Ltd (QRM) and lead to the “Discovery Outcrop” in 2009. Since 2009, various geochemical and geophysical programs were conducted followed by numerous prospecting, mapping, and diamond drilling programs. In 2014, QRM intersected a 225m long scandium (Sc) and REE bearing zone within a thick ferro-syenite layer. Review of the drilling data also returned a 19m long interval grading 0.506% Sc along the western side of the Crater Lake intrusion. A parallel niobium target showing grab assay results of between 0.20% and 1.42% Nb2O5 sits 250 m west of the scandium target.

In 2018, Imperial Mining Group will conduct a metallurgical test on the Sc rich ore. A prospecting and detailed mapping program is also proposed and finally a diamond drilling program on the western half of the property where the best targets are located.

Crater Lake Project: Best Historical Diamond Drill Intersections

Hole # Company Year Length (m) Grade sc % Grade TREO + Y %
ML14026 QRM* 2014 167.83 0.0262 1.1760
ML14026 QRM* 2014 27.63 0.0351 1.7206
ML14026 QRM* 2014 62.78 0.0304 1.4779
ML14028 QRM* 2014 199.69 0.0235 1.0800
ML14028 QRM* 2014 77.92 0.0280 1.4065
ML14029 QRM* 2014 80.05 0.0286 1.4086
ML14030 QRM* 2014 6.04 0.0319 1.1442
ML10002 QRM* 2010 6.50 0.0284 -
ML10002 QRM* 2010 18.95 0.0506 -
ML11011 QRM* 2011 2.05 0.0411 -

*Quest Rare Minerals Ltd

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