Banded Magnetite Taconite Formation
Collection
John Betts - Fine Minerals
Description
Banded
formation known as
Taconite
- the primary iron ore from the Mesabi Range. The dark metallic layers are Magnetite, with deep-red siliceous
chert
between. One face was polished to highlight the banded formation. Ex. David Trevas.
Locality
Mesabi Range, Minnesota
Dimensions
16 x 12 x 1.5 cm.
Specimen Grade
B
Photograph
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