A Geoscience Digital Image Library

TitleJaspalite (Negaunee iron formation)
DescriptionThis sample, 10 cm across, is from the Negaunee iron formation from the Precambrian Shield (Superior Province) near Ishpeming, Michigan. It is a sedimentary rock composed predominately of red jasper, red-brown hematite, and thin bands of specular hematite.
Geologic provinceSuperior
LocationUSA ▹ Michigan. Near Negaunee.
PhotographerDexter Perkins. 2001-01-23.
CollectionWard’s Collection of Classic North American Rocks #99.
Key wordsiron formation, Negaunee, Michigan, jasper, hematite, Precambrian shield
Tech details202 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number14