Gossan, Iron Mountain Mine, California

Iron Mountain Mine site

Detailed Description

Gossan tailings (which have now been removed), with elevated arsenic, at the Iron Mountain Mine site. Gossan is a rock consisting mostly of iron oxides formed by weathering of rock originally greater than 50% iron sulfide (usually pyrite). "False gossan" occurs where iron is transported from its original location.


Image Dimensions: 625 x 468

Location Taken: CA, US