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Gunflint Iron Fm Rainbow Stromatolite (GIS15)
$360.00
Notes specific to this specimen: Notes specific to this specimen: This is one of the most interesting specimens we’ve ever seen! Multiple very clear stromatolite colonies throughout the specimen and in a variety of colors with contrasting dark laminae. All the more impressive because it’s from the world-famous Gunflint Iron Formation. This piece is from our original discovery in 2025. Beautiful colonies with strawberry and deep red colonies with dark laminae bands characteristic of this site. This is unlike anything we’ve ever seen. Polished with brilliant shine on front face only. Back and edges are naturally rough.
SIZE: 3″ X 4″ X 1.5″
Name: Collenia sp. (possible new species)
Age: Anamikean / Paleoproterozoic – 1.88 billion years
Unit: Gunflint Iron Formation
Site: Ontario, Canada
Date: 2025
Documentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin. In addition, an attractive and informative display card accompanies the specimen.
Notes specific to this specimen: Notes specific to this specimen: This is one of the most interesting specimens we’ve ever seen! Multiple very clear stromatolite colonies throughout the specimen and in a variety of colors with contrasting dark laminae. All the more impressive because it’s from the world-famous Gunflint Iron Formation. This piece is from our original discovery in 2025. Beautiful colonies with strawberry and deep red colonies with dark laminae bands characteristic of this site. This is unlike anything we’ve ever seen. Polished with brilliant shine on front face only. Back and edges are naturally rough.
SIZE: 3″ X 4″ X 1.5″
Name: Collenia sp. (possible new species)
Age: Anamikean / Paleoproterozoic – 1.88 billion years
Unit: Gunflint Iron Formation
Site: Ontario, Canada
Date: 2025
Documentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin. In addition, an attractive and informative display card accompanies the specimen.
Additional information
| Weight | 1 lbs |
|---|---|
| Dimensions | 2 × 4 × .5 in |
| Name / Species | Collenia sp. (possible new species) |
| Age | Anamikean / Paleoproterozoic (1.88 billion years) |
| Unit | Gunflint Iron Formation |
| Site | Ontario, Canada |
| Date | 2025 |
