A Geoscience Digital Image Library

TitleBijiki Schist (grunerite-magnetite rock) from Michigamme, Michigan
DescriptionThis rather unusual rock from Michigamme, Michigan, is a very fine grained schist. The top surface is mostly black-green fine grained grunerite (Fe-amphibole); beneath it is a layer of fine grained black magnetite. The sample is 9.5 cm across.
LithostratigraphyBijiki schist
LocationUSA ▹ Michigan. Near Michigamme. Lake Superior iron ore.
PhotographerMike Davis. 2001-04-26.
CollectionWard’s University Rock Collection #100.
Key wordsgrunerite, magnetite, Bijiki Schist, Michigan
Tech details874 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera, 60mm AF Nikon micro lens.
GeoDIL number412