Definition
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Discoverer
Etymology
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Taconite is a low-grade iron ore which belongs to sedimentary rock and containing about 27% iron and 51% silica
Western Australia, Minnesota
From the name of Taconic Mountains in New England
Durable Rock, Medium Hardness Rock
Coarse Grained Rock, Opaque Rock
Wehrlite is an ultramafic and ultrabasic rock that is a mixture of olivine and clinopyroxene. It is a subdivision of the peridotites
From the name of a professor, Alois Wehrle
Durable Rock, Medium Hardness Rock
Coarse Grained Rock, Opaque Rock