This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.
Canada
Hemlo East, Ontario
Hemlo East: Gold
Status
- 100% owned, Tier 1 Project awaiting exploration drill permits.
- Available for joint venture.
Target
- The interpreted eastern extension of Barrick Gold’s Hemlo Mine that has produced over 23 million ounces of gold.
- High grade Archean orogenic “lode” gold.
Location and Setting
The Hemlo East property is located in Northwest Ontario and has excellent infrastructure with access provided by the Trans Canada Highway (Hwy 17) from which all weather roads lead into the property. The Hemlo gold mine and the Company’s property are located approximately 30 km east of the town of Marathon, Ontario.
Land Status
The 100% owned Hemlo East property consists of 279 unpatented mining claims covering approximately 5,700 hectares.
Geology and Mineralization
The Hemlo East property cover part of the Archean aged Hemlo greenstone belt, which in turns forms part of the Wawa Subpronvice, which is hosts to several active and historic gold mines, the largest of which is the Hemlo Gold Mine with over 23 million ounces produced.
On the northwestern part of the property, immediately east of the Hemlo Mine, the overall structural and stratigraphic setting, and the nature of alteration, are very similar to the Hemlo deposit. The continuous alteration zones in this generally poorly exposed area also host local gold occurrences. These have been partially drill-tested in the past, but only to relatively shallow depths (see Longitudinal Section. Next steps are to further drill test the mineralized and altered zones, both along trend and to depth.
The Gouda Lake Zone
Exploration work on the Hemlo East property prior to GT Resources staking had discovered a gold occurrence, called Gouda Lake. The eastern part of the Hemlo East property hosts the Gouda Lake gold zone which is underlain by Hemlo-like rocks with the mineralization hosted by an east-west striking, 20 meter thick zone of quartz-sericite-pyrite (2-25%) schist containing 2-5% sphalerite (zinc sulphide) and trace galena (lead sulphide). Minor amounts of chalcopyrite (copper sulphide) and streaks of molybdenite (molybdenum sulphide) occur locally. Assay values have ranged from as high as 21.0 g/t gold, 648.0 g/t silver and 2.0% zinc. In 1996, Placer Dome Canada Limited, which optioned the ground from Lac Minerals, estimated an inventory of 253,000 tonnes @ 4.1 g/t Au at the Gouda Lake zone (this historically-reported estimate is not NI 43-101 compliant (a qualified person has not done sufficient work to classify the historical estimate as current mineral resources or mineral reserves; accordingly, GT Resources is not treating the historical estimate as mineral resources or mineral reserves).
Recent Exploration
Beginning in 2009, a systematic review began of the Hemlo East Property, including airborne magnetic and electromagnetic surveys, and carried out a drill program on the Northwestern part of the property, near Cedar Lake. This drill campaign was intended to test the deep extension of the Egg Lake Horizon and comprised of one hole exceeding 1,200 meters in depth. The hole contacted the zone, at a depth of 1,000 meters or more below surface, and the best intercept provided a result of 0.85 g/t over 7 meters. This confirmed that the gold bearing horizon is indeed present along that trend. Further work may be done to further test those areas.
In mid-2010, the Company made the decision to further investigate the Gouda Lake Zone. The effort began with an IP (Induced Polarization) survey to confirm the location of the zone originally identified by Lac Minerals, and was followed up by a 3,000 meter drill campaign.
The drilling effort, completed in November 2010, proved that the horizon is not only much more extensive than the original Lac Minerals reports indicated, but also had significantly greater potential for base metals than was previously shown. Highlights from the drill campaign included:
- 19.7 g/t gold and 155 g/t silver over 1.2 meters in hole HEGZ 10-16
- 2.2 g/t gold and 388 g/t silver with 2% combined base metals over 0.8 meters in HEGZ 10-14
- 11.4 g/t gold and 253 g/t silver over 1.34 meters in HEGZ 10-20.
- 11.15 g/t gold and 200 g/t silver over 1.5 meters in HEGZ 10-24.
Overall, the drilling campaign indicated that the zone has at least one main trough, approximately 200 meters in width, open down plunge. The main plunge has shown considerable true width and grade.
- Hole HEGZ 10-15 grades at 2.25 g/t gold, 98.3 g/t silver and 1.36% combined base metals over 4.46 meters.
- Hole HEGZ 10-16 grades at 5.41 g/t gold and 47.13 g/t silver over 4.76 meters.
- Hole HEGZ 10-20 grades at 5.22 g/t gold, 145.3 g/t silver, and 1.03% base metals over 4.99 meters.
- Hole HEGZ 10-24 grades at 3.83 g/t gold, 90.9 g/t silver, and 0.9% base metals over 6.00 meters.
Work conducted demonstrates that this system has the potential to be very extensive, as past drilling shows the trend continues 1.2 km or more to the north. Continued work is required to follow up the 2010 drill campaign and follow up this exciting prospect.
Proposed Exploration Program
Upon receipt of exploration drill permits additional drilling is planned.
Agreement and Terms
The Hemlo East project was subject to an earn-in agreement with Barrick Gold. The earn-in agreement was terminated by mutual consent in November 2023 after three years given the companies frustration with permitting delays.