The Elmer mica occurrence is located from GSC Open File 637 and is situated northwest of the community of Enderby. Jones (GSC Memoir 296) describes that some of the more highly metamorphosed parts of the Silver Creek Formation contain highly micaceous schists. Current geology maps indicate the area of the showing is underlain by pelitic schist, quartzite, micaceous quartzite and calcareous quartzite of the Hadrynian and/or Paleozoic Silver Creek Formation (Mount Ida Group).