Iron Stromatolites (ME4)
$450.00
Notes specific to this specimen: Rare white colonies with dark banded growth rings. Some have branchings. Specimen found in 1990s at the old Mary Ellen Mine in Biwabik, Minnesota, the type locality for the Biwabik Iron Formation. Notice the silvery spots of concentrated iron between the colonies.
SIZE: 5″ x 7″ x .3″
Name: Collenia undosa
Unit: Biwabik Iron Formation
Site: Biwabik Iron Range, Minnesota
Date: Mid 1990s
Documentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin.
Notes specific to this specimen: Rare white colonies with dark banded growth rings. Some have branchings. Specimen found in 1990s at the old Mary Ellen Mine in Biwabik, Minnesota, the type locality for the Biwabik Iron Formation. Notice the silvery spots of concentrated iron between the colonies.
SIZE: 5″ x 7″ x .3″
Name: Collenia undosa
Unit: Biwabik Iron Formation
Site: Biwabik Iron Range, Minnesota
Date: Mid 1990s
Documentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin.
Additional information
| Weight | 1 lbs |
|---|---|
| Dimensions | 5 × 7 × .3 in |
| Name / Species | Collenia undosa |
| Age | Paleoproterozoic – 2.1 billion years |
| Unit | Biwabik Iron Formation |
| Site | Biwabik, Minnesota |
| Date | Mid 1990s |
