Taconite

And then also any insight into taconite demand, given what we have seen with the union strikes, the steel prices.

The Environmental Protection Agency said it would propose the first-ever limits on mercury emissions from the state’s taconite processing plants after nearly 20 years of legal battles over imposing such regulations.

D. Taconite ore pellets can be transported by rail.

Scott Walker, a Republican, signed a contentious bill in 2013 that loosened restrictions on iron mining in hopes of clearing the way for a massive Gogebic Taconite iron mine along the shores of Lake Superior.

PolyMet plans on adding additional support at the toe of the dam, in the form of a buttress made out of taconite waste rock.

Compared with iron and taconite ore, disturbing sulfide rock can produce more acidic discharge, more sulfate, and much more serious, permanently toxic pollution.

MPR’s Dan Kraker reports: “State officials have reinstated key mineral leases in northeast Minnesota to Chippewa Capital Partners, the company trying to finish the half-built Essar Steel taconite mine and processing plant on the Iron Range.

Although the high-grade ore is now depleted, taconite mining continues, using processes developed locally to save the industry.