Specimen Number37-6-012Alternate Number50-66-6CommentsTypical Wallace Formation, RR cut W of Great Northern Station, Wallace, IdahoIn Teaching CollectionNoMineral(s)quartzfeldsparchloriteRock NameargilliteDistrictEvolutionMineregional sampleDeposit TypeVeinDonated ByUniversity of Wisconsin-Madison Department of Geoscience
37-6-012: argillite - Evolution District - regional sample Mine. Franklin College Collections, accessed 14/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/56824