Beaufield owns a 100% interest in the Urban property, located in the gold-rich Abitibi belt in northern Quebec. The area between Val d’Or and Chibougamau is known for its gold and copper production and excellent infrastructure for exploration and mining. Historically, the Urban Property has had extensive grassroots exploration from a number of operators, with geological mapping and sampling and geophysics. Several gold zones have been identified by these efforts, including the Rouleau Gold Zone which hosts gold over significant widths and over at least 500 metres in strike length.
Location and Infrastructure
The Urban property is located in the Abitibi area, approximately 190 km Northeast of the town of Val d’Or and 120 km East of the village of Lebel-sur-Quevillon, Province of Quebec. The 22,325 hectares property is divided into six separate claim blocks: The Rouleau, the Macho-Panache, Golden Retriever, Trend, Kobalt and the Far East group.
Lebel-sur-Quévillon is the largest community in the immediate area with a population of 2160 people (census of 2016). The town was built at the beginning of the 1960’s in order to receive the employees of the Domtar pulp and paper mill, which was closed in 2008 due to to the decline of the markets, to be purchased in 2012 by Fortress Paper Ltd. Since 2016, a cogeneration project is planned to Fortress current site in order to produce thermal and mechanical energy. The Langlois Mine, hold by Nyrstar and located northwest of Quévillon is still in operation and Osisko Mining, which hold the Windfall Lake project, nearby Urban Lac Rouleau project, recently installed its administrative office and coreshack.
The topography of the area is flat with rare little hills (less than 15 m high). The average elevation is 400 m above sea level. Swampy low ground is common and overburden, consisting of glacial clay and fluvio-glagial till, may locally be thick and outcrops are scarce (less than 1%). The area is moderately tree covered and black spruce is predominant. Drainage is mainly directed towards the St-Cyr River cutting a meandering valley at the east of the property and a series of small lakes, streams and swamps occur across the central-west portion of the property.
Climatic conditions are typical for the Canadian Shield, with short, mild summers and long, cold winters. Mean temperatures range from -16°C in January, to +17°C in July. The mean annual precipitation throughout the region ranges from 850 to 950 mm.
Geology and Resources
The general area is underlain by Archean Volcano-Sedimentary Urban-Barry belt of the East Central part of the North Volcanic Zone of the Abitibi sub-province of the Superior Province. The underlying rocks of the Urban claims consists mainly of altered silicified, sericitized, chloritized and carbonatized felsic to mafic volcanics with some minor sedimentary units, grabbroic intrusions and porphyritic dykes. The Urban-Barry Greenstone Belt hosts significant gold mineralization in several parallel NE to SW trending zones.
Gold in the Urban-Barry Township is primarily associated with quartz-carbonate veins mineralized with sulphides and with NE/SW trending shear zones. The area contains 3 known gold deposits with NI 43-101 measured resources and numerous gold showings. Even though the region hosts many gold showings, it is relatively under-explored due to thick overburden and the lack of outcropping bedrock. Gravel roads give access to many parts of the property and advanced projects in the area provide other key infrastructure for exploration and development.
Rocks underlying the Rouleau Block consist of ENE striking and steeply dipping aphyric basalts intruded by gabbro sills or masses of the Macho formation. Two thin but laterally extended units of felsic tuffs and possibly lavas occur in the area of Lac Rouleau. The southernmost unit is closely associated with a major clastic graphitic sedimentary unit which corresponds to the Morissette Fault. This unit shows a strong electromagnetic correlation.
Above rocks are mostly weakly to strongly deform by folding and faulting. A major syncline (Urban syncline) crosses the northern part of the Lac Rouleau Block where an ovoid low magnetic zone of 4 km long by 2.5 km wide is indicated. This low magnetic zone is believed to be caused by a buried granitoide or quartz-feldspar porphyry.
Four shear zones or faults cut the rock units of the property from south to north: the Barry, Morissette, St-Cyr and Rouleau faults which are associated with induced polarization (IP) anomalies and/or magnetic imprints.
The Rouleau Fault is the host of the Rouleau Member and the Macho Formation. The fault plan is nearly vertical and crosses Lake Rouleau in an ENE/WSW direction. It is 20 to 40 meter wide and has been traced over a drill indicated length of 2.5 km. Its strike length could be much more extensive as suggested by a series of Input anomalies. The Rouleau fault area is also the host to at least three auriferous mineralized zones (Zones 14, 17 and 18). Host rocks are moderately to strongly altered and deformed felsic tuff and lava units with minor intercalated mudrock and rarely graphitic sediments. Silicification, carbonatization and sericitization are the most common alterations with minor sulphides.
The Zone 14 is located west of Lake Rouleau and was discovered by drilling by Kerr Addison in 1988 (Coyle, 1988 – GM 48334). Sheared diorite was intersected in holes KUB 88-13, 14, 15, 16 and 17. The diorite appears to straddle the contact between felsic volcanic tuffs to the north and variolitic basalt to altered intermediate volcanics to the south.
Gold occurs in a zone of intense silicification cut by abundant quartz-tourmaline +/- carbone +/- chlorite veinlets that host up to 15% pyrite. Gold is closely associated with pyrite in silicified selvedges of quartz veinlets and occurs as free gold in wide quartz veins (Coyle, 1988).
The best intersection was in Drill Hole KUB 88-14. From 178 m to 187 m, gold was observed at three places. Assays show 1.63 g/t Au over 3.68 m included within a 0.95 g/t Au over 8.25 m. Drill Hole KUB 88-16, located 100 m WSW of the later, intersected 3.50 g/t Au over 1.55 m.
The Zone 17 is located north-east of Lake Rouleau, west of Zone 18 and was discovered by drilling in 1987. It consists of two silicified zones separated by a carbonate-sericite zone. In the north part of the zone the rock is an altered andesitic tuff type while rocks to the south are mainly basalt and diorite. Two diamond drill holes intersected anomalous gold assays and the most significant values returned an average of 7.18 g/t Au over 4.29 m in drill hole 87-17.
Showing No 2, which could be the eastern extension of Zone 17, was also mechanically stripped over an area covering 715 m2. However it seems to be related to the footwall diorite and not to the silicified tuff. The mineralization is associated with a 10 m long quartz vein within the diorite and the veins’s wall which consists of silicified, carbonatized and sericitized diorite with 1-5% pyrite. The most significant value obtained was 3.89 g/t Au over 1.0 m.
The Zone 18 is located east of Lake Rouleau, is oriented in an ENE/WSW direction and dips steeply to the north. It does not reach the surface as it is covered by overburden. Gold mineralization is indicated by drilling over a strike of 450 m between grid lines 1800E to 2250E. However, the best graded area seems limited to a strike length of 150 m at the presumed surface bedrock elevation between grid lines 1925E to 2075E.
The mineralization is mostly within a brecciated strongly silicified and moderately carbonatized felsic tuff and mudrock unit. The host rock consist of a dark grey or beige silicified and carbonatized matrix containing crean, beige, light brown or grey and rarely greenish coloured angular light sericitized fragments with rare occurences of tiny white albite crystals (Cloutier 2004).
The zone is bordered on both sides by a sharp contact with two different types of rocks. On the south side, the footwall is felsic tuff and lavas for which the width varies from 10 to 15 m. To the north, the zone is in contact with a strongly schistose and often mylonitic zone.
Zone 18 is cut by irregular veinlets of ankerite and white-grey quartz mostly, and haired black material possibly black quartz, chlorite, graphite and/or tourmaline. Tiny white albite crystals are sometimes observed standing on guard at right angle to the quartz-carbonate veinlets. Some pluri-meter sections show a brownish colour cut with variable quantity of white to sometimes grey quartz and carbonate veinlets.
Showing No. 3, was originally believed to be the continuity of Zone 18 at surface. The zone was mechanically stripped over an area of 700 m2. Drilling by Beaufield in 2004 has since shown that the surface expression of the zone is actually 10 meter north of Showing No. 3 (Cloutier 2004). It consists of a few discontinuous quartz veins cutting plowed to massive basalts. The most significant values obtained by grab sample were 46.25, 45.55, 22.29 and 15.98 g/t Au.
Located south of Lake Rouleau, the Showing No. 1 was mechanically stripped over an area covering 1,030 m2 and consists of a sheared carbonated zone trending E-W at the contact of tuffs and diorite. The east-west schistosity is cut by a network of smoky quartz veins (stockwerk) in a north-west direction. Fine pyrite, pyrrhotite, arsenopyrite and magnetite is associated to quartz veins and was also been observed in microfractures. The highest gold values obtained by channel sampling were 3.1, 2.9 and 2.6 g/t Au over 1 m each.
Showing No. 4 was mechanically stripped over an area covering 1350 m2and is located near the St-Cyr River at approximately 1.5 km ESE of Lake Rouleau. The showing consists of a series of subvertical and strongly deformed quartz veins extending on 70 meters with widths reaching up to 30 cm. The most significant values obtained by grab sample were 10.4, 7.4 and 4.3 g/t Au.
The Cominco showing is located just west of Showing No. 4 and north of St-Cyr River and was stripped over a small area in 1987. Gold mineralization occurs in a silicified and carbonatized gabbro. The most significant values obtained by drilling was 2.25 g/t Au over 5.4 m (Tessier, A., 1990, GM 49950).
The Quesnel Showing is located Southwest of Lake Rouleau and is described as a 10 m wide, east-west striking silicified shear zone (Quesnel, 1988). A cluster of massive sulphide pods is located just north of the shear zone. These pods contain pyrite, chalcopyrite, arsenopyrite and grab samples returned 12.84 g/t Au, 6% Cu and 30.6 g/t Ag and were interpreted as possible volcanic events. In 1990, Minnova carried out some drilling to test possible extensions underneath the showing. A thin unit of massive sulphides was intersected returning 8.22 g/t Au, 0.69% Cu and 312 ppm Zn.
Zinc, silver and copper mineralization was encounter in several drill holes west of Lake Rouleau. The mineralization consists of 3-7%, locally up to 20%, disseminated and stringer/pyrrhotite/pyrite/chalcopyrite associated to weakly graphitic beds intercalated with felsic volcanic rocks (Coyle 1990).
Exploration and Outlook
For 2018, exploration will focus on under-explored areas of the Rouleau block, Several priority geophysical and geochemical targets have been outlined and will be followed up by surface work and followed by drilling.
A NI 43-101 report on the Rouleau block was completed in February of 2018 can be obtained here