1 Definition
1.1 Definition
Taconite is a low-grade iron ore which belongs to sedimentary rock and containing about 27% iron and 51% silica
Teschenite is coarse- to fine-grained, dark-coloured intrusive igneous rock that usually occurs in sills, dikes and irregular masses and is always altered to some extent
1.2 History
1.2.1 Origin
Western Australia, Minnesota
Scotland
1.2.2 Discoverer
Newton Horace Winchell
Unknown
1.3 Etymology
From the name of Taconic Mountains in New England
From its occurrence near Teschen. now known as Cieszyn, Pol., Scotland
1.4 Class
Sedimentary Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock