Geologic descriptionThis occurrence consists of bornite in quartz-epidote veinlets in biotite-hornblende quartz diorite, probably of Tertiary or Cretaceous age (Clark and others, 1970 [OF 70-73]). A sample contained 100 parts per million (ppm) copper, 10 ppm silver, and 0.6 ppm gold. |
Geologic map unit |
(-132.815253669319, 57.2860939847752) |
Mineral deposit model |
Bornite veinlets in quartz diorite. |
Age of mineralization |
Veinlets are younger than the quartz-diorite host rock, which is probably of Tertiary or Cretaceous age. |
Alteration of deposit |
Deposit consist of veinlets of quartz and epidote with bornite in quartz diorite. |