Definition
Taconite is a low-grade iron ore which belongs to sedimentary rock and containing about 27% iron and 51% silica
It is a metamorphic magnesium rich rock because it is composed of the mineral talc
History
Origin
Western Australia, Minnesota
USA
Discoverer
Newton Horace Winchell
Unknown
Etymology
From the name of Taconic Mountains in New England
From 17th century, because of its greasy feel and use like a soap
Class
Sedimentary Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
Family
Group
-
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Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock