Iron Stromatolites (ME5)
$365.00
Notes specific to this specimen: Beautiful deep red agatization in these colonies attest to the classic origin of this specimen as being from the old Mary Ellen Mine in Biwabik, Minnesota, the type locality for the Biwabik Iron Formation. Notice the off-set angle of the growth pattern in this piece. This is attributed to constant water currents in the area where these colonies were growing.
SIZE: 4″ x 8″ 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: Beautiful deep red agatization in these colonies attest to the classic origin of this specimen as being from the old Mary Ellen Mine in Biwabik, Minnesota, the type locality for the Biwabik Iron Formation. Notice the off-set angle of the growth pattern in this piece. This is attributed to constant water currents in the area where these colonies were growing.
SIZE: 4″ x 8″ 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 | 4 × 8 × .3 in |
| Name / Species | Collenia undosa |
| Age | Paleoproterozoic Era 2.3 billion years |
| Unit | Biwabik Iron Formation |
| Site | Biwabik, Minnesota |
| Date | Mid 1990s |
