| Abundant pyritic slate, phyllite and schist were intersected with assays pending. |
| In Nærøyfjord the underlying rocks are anorthosite and gabbro, and softer phyllite. |
| Most commonly, fragments of metamorphic rocks such as slate, phyllite, or schist predominate, producing phyllarenite. |
| It is underlain primarily by Ordovician metasedimentary strata, mainly phyllite, metaquartzite, and metagreywacke. |
| The bedrock is folded and faulted phyllite, quartzite, argillite, slate and limestone of the lower Paleozoic Cariboo Group. |
| Foliated rocks may be slate, phyllite, or schist according to grain size. |
