North Abitibi

Multiple near-surface, gold-bearing zones on the Casa Berardi trend 40 kms west of the Casa Berardi Mine in Ontario’s prolific Abitibi Greenstone Belt.


  • Located 40 km west of the Casa Berardi Mine on the Casa Berardi Fault

  • High-grade gold intersected in multiple near-surface zones in historical drilling.

Located in northeastern Ontario, the North Abitibi Project is a 10-kilometre (“km”) long property that covers approximately 4,240 hectares (“ha”) in Canada’s prolific Abitibi Greenstone Belt, where over 200 million ounces of gold have been discovered and produced. The Property straddles the Casa Berardi Break approximately 40 km west of Hecla Mining Corp.’s Casa Berardi Mine and 50 km south of the Detour Lake Mine, operated by Kirkland Lake Gold Corp.

Limited historical shallow drilling has traced gold mineralization for approximately 3 km of total strike. Gold mineralization has been drilled to a depth of 150 metres (“m”). Historical drilling included: 6.1 grams per tonne gold (“g/t Au”) over 6.0 m and 17.8 g/t Au over 1.6 m.

Recent work completed by NewOrigin Gold includes a deep Induced Polarization (“IP”) survey, which has identified deeper targets of potential gold mineralization, starting below 200 m from surface.


Location and Access

The property is located in Hoblitzell Township, Larder Lake Mining Division, approximately 20 km west of the Ontario/Québec border and 120 km northeast of Cochrane, Ontario. Vehicle access to the property is via the gravel Tomlinson Road, which departs north from Trans-Limit Road at kilometer 89 as measured from Cochrane.  Recent logging and opening of the Detour Lake Mine 50 km to the north has greatly improved access and infrastructure.


The North Abitibi Property is situated in the northwest corner of the Archean age Abitibi Greenstone Belt. This portion of the greenstone belt hosts the Matagami, Selbaie, Joutel and Casa-Berardi mining camps in Quebec and the Detour Lake Mine in Ontario. An east-trending assemblage of felsic volcanic rocks and coeval porphyritic felsic intrusions postdate assemblages of mafic and intermediate volcanic rocks present in the area. East-trending shear zones developed at the contacts of contrasting rock types are known locations of gold mineralization. Deformation is poorly documented in the area, but 3 phases of deformation are probably present, as is common in the rest of the greenstone belt.

The Property is underlain by a mixed assemblage of west trending, north-dipping felsic, intermediate, and komatiitic mafic volcanic rock, volcaniclastic tuff and sedimentary units of conglomerate, greywacke, argillite, and oxide facies iron formation. These units are intruded by quartz and feldspar-rich sills known as the Spade Lake porphyry. Gold is hosted by stratabound pyritic, sericitic schists up to 40 m thick within volcaniclastic rocks at the Spade Lake Zone and as pyritic tuffs containing veins of quartz-carbonate-pyrite at the contact between felsic pyroclastic rocks and iron-carbonate rich mafic volcanic rocks at the Road Gold Zone. A number of other gold occurrences are known from historic work but have yet to be investigated by NewOrigin Gold.

Gold Occurences

Gold has been identified at North Abitibi in two primary zones of interest: Spade Lake Gold Zone and Road Gold Zone.

Spade Lake Zone has been traced by drilling for over 2 kms in length and has returned gold values from drilling including 23.4 g/t Au over 1.5 m, 7.9 g/t Au over 4.5 m and 0.52 g/t Au over 26.0 m. Higher grade gold is found within broad halos of low grade, anomalous gold, in places greater than 50 m thick..

The Road Zone has returned gold values of 1.34 g/t Au over 10.1 m and 17.8 g/t Au over 1.6 m. Trenching by NewOrigin Gold exposed the Road Zone at surface and high-grade assays of up to 43.0 g/t Au have been returned from grab samples. Along-strike and down-dip extensions at both the Spade Lake and Road Gold Zones are primary exploration targets.

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The Spade Lake and Road Gold Zones have been traced over a long distance near surface but have only been drilled to shallow depths. They are at a stage of exploration where detailed diamond drill programs are required to define the extent and economic significance of these gold zones at depth. Other gold occurrences have been identified by drilling elsewhere on the property and detailed geophysical surveying and drilling is warranted to advance these discoveries.

Work History

The majority of exploration at North Abitibi was conducted by Newmont and Cogema Canada during the 1980’s following discovery of the Casa Berardi gold deposit. Only limited and sporadic campaigns have been conducted since then. The extensive overburden cover has limited the effectiveness of previous exploration campaigns. NewOrigin Gold has compiled and interpreted a large geophysical and diamond drilling database from this previous work, including assay data from over 100 drill holes spread across the length of the property. Twenty-one (21) of these holes reported at least one sample of greater than 2.0 g/t Au across a minimum 1.0 m sample interval.

NewOrigin Gold has completed conventional and “deep-looking” induced polarization (“IP”) geophysical surveying, excavating, geological mapping and geochemical sampling at the Road Gold Zone and over 25 exploratory diamond drill holes. 3-D modelling of all exploration data has identified extensions to the known gold zones and identified prospective targets for follow-up drilling.

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