how is limonite used for mining
Kent Iron Mine (Limonite mine), Kent, Litchfield Co., Connecticut, USAA open pit mine active in the late 18th to early 19th centuries. The Kent Iron Mine, which mined goethite ore (typically referred to in old references incorrectly as "hematite", "brown hematite", or variations of such, or generically as "limonite") like the other deposits in NW Connecticut, is different from the latter in that it does not.how is limonite used for mining,ITP Mining: Energy and Environmental Profile of the U.S. Mining .hematite and finely dispersed with silica in sedimentary deposits. . Specifically, magnetite and hematite are the main iron-bearing ores in the Lake . to the Great Lakes, which offer low-cost transportation. No U.S. taconite mine is more than about 100 miles from the Great Lakes, and most are much closer. A lesser-used.Limonite: an iron oxide used as pigment and iron ore - GeologyLimonite has been used as a low-quality iron ore for thousands of years. Commercial mining of limonite as a source of iron is no longer done in areas where reasonable deposits of hematite and magnetite are present or readily imported. Limonite deposits are usually too small and too impure for use in modern metallurgy.