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Modum Cobalt Project (75 Km, Southwest of Oslo, Norway)

The 13,115 Ha Modum project is located approximately 75 kilometres west of Oslo, Norway. The Modum project is accessible year-round, with robust infrastructure including road, rail, power, and skilled labour in nearby municipalities. The Modum property position surrounds an inlier of exploration licenses held and explored by third parties that partially cover the historic Skuterud Mine. Historic mine workings, prospects and trends of mineralization extend onto the Boreal property.

Modum was the primary source of the cobalt used for blue pigment in Europe during the late seventeenth and eighteenth centuries. Historic production from the Skuterud Mine is estimated to have been in the order of 1,000,000 tons Co, with significant copper and gold1.

Geology of the Modum District

The cobalt deposits in the Modum District are hosted in steeply dipping, north-south trending Mesoproterozoic sedimentary rock known locally as "fahlbands". These rocks are intruded by mafic and ultramafic rocks and contain widespread albitization and sulfide mineralization consistent with cobalt deposits in the region. The most prominent of the sulfide-bearing fahlbands hosts the mineralization at Skuterud which can be tracked for 12 kilometres along strike and average from 100 to 200 meters thick. Mineralization in the fahlbands occurs as sulfide replacement zones, sulfide-rich veins developed within shear zones, and as structurally controlled lenses that occupy fold hinges.

History of the Modum District

Cobalt ore was discovered at the Skuterud Mine in 1772 (also known as the Modum Mine), which is the type locality of the mineral Skuterudite (CoAs3). Production from open pits commenced in 1776, but mining transitioned underground in 1827 and continued through 1898. The Skuterud Mine supplied over 80% of the world's commercially produced cobalt in the 1820's and 1830's with some byproduct copper. Gold is also enriched in the Modum mineralization but there are no records for precious metal production1.


1Hornemann, H. H., 1936, Report on the cobalt mines at Modum, collected from different sources. Norges geologiske undersobjectives for the projects; the general

Limited modern exploration has taken place at Modum. In 2013, an aeromagnetic geophysical survey (200m line spacing) covering the entire Boreal land position was commissioned by the Geological Survey of Norway (NGU). In 2016, a 1:100,000 scale geological map was published by the NGU. Drilling programs are currently underway on inline claims which represent about 20% of the prospective strike length at Modum. Much of the strike length of the recognized bodies of mineralization, including the extensions onto Boreal ground, has never been drill tested before. Gold is known to accompany the cobalt mineralization; precious metal potential remains largely unassessed at this time.

Boreal's Modum Land Position

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