$140.00
1 in stock
Notes specific to this specimen: This is an unusually large stromatolite colony for this site. Also from the world-famous Gunflint Iron Formation. This piece is from our original discovery in 2025. Beautiful deep red colony with obvious laminae. Polished with brilliant shine on front face only. Back and edges are naturally rough.
SIZE: 2″ x 3″
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: This is an unusually large stromatolite colony for this site. Also from the world-famous Gunflint Iron Formation. This piece is from our original discovery in 2025. Beautiful deep red colony with obvious laminae. Polished with brilliant shine on front face only. Back and edges are naturally rough.
SIZE: 2″ x 3″
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 |










