The lower Cogburn Creek area is underlain by metasedimentary and metavolcanic members of the Paleozoic and/or Mesozoic Cogburn Schist, which is possibly correlative with the Permian to Jurassic Hozameen/Bridge River Complexes. Granitic rocks of the Early and Middle Cretaceous Spuzzum pluton and lenticular gabbroic-ultramafic masses of Cretaceous to Tertiary age intrude these rocks. Regional nickle-copper mineralization is related to the younger intrusions.

In the area of the Al occurrence, massive to gneissic diorite and quartz diorite intrude a north-northwest striking, steeply east dipping sequence of quartz-feldspar-hornblende gneiss, mixed schist, phyllite and chloritic to micaceous to talcose schist (altered pyroxenite/amphibolite) containing local argillaceous, sandy and tuffaceous interbeds.

Iron-copper-nickel mineralization, comprising relatively massive pyrite-pyrrhotite hosting disseminated grains and blebs of chalcopyrite and sparse pentlandite, is hosted by foliated quartz diorite exposed along the main logging access road north of Cogburn Creek. This mineralization occurs adjacent to mafic-rich bands or lenses in the diorite which have been fractured and silicified. Two chip samples of this mineralization returned the following values (Assessment Report 4370):

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 Sample 24303 - 0.28% copper; 0.01% nickel
 Sample 24304 - 1.10% copper; 0.01% nickel
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In 2001, the Krof property was staked by KGE Management Ltd. and John Chapman. In 2006, a program of geological mapping, geochemical sampling and an airborne geophysical survey were completed. In 2007 and 2008, Nomad Ventures Inc. examined the area as the Krof property and completed a 275 line-kilometre airborne geophysical survey and minor geochemical (soil and rock) sampling.