Ordovician fossiliferous limestones over Proterozoic gneiss (Montmorency Promontory, north of Montmorency Falls, Quebec City, Quebec, Canada) : 無料・フリー素材/写真
Ordovician fossiliferous limestones over Proterozoic gneiss (Montmorency Promontory, north of Montmorency Falls, Quebec City, Quebec, Canada) / James St. John
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
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| 説明 | Ordovician fossiliferous limestones nonconformably resting atop Proterozoic-aged gneiss. Montmorency Promontory, north of Montmorency Falls, Quebec City, Quebec, Canada. The fossiliferous limestones are relatively rich in a fossil traditionally called Solenopora, which is traditionally interpreted as a fossil rhodophyte (red alga). This unit is the Solenopora Gravels of the Trenton Group (upper Middle Ordovician).Ordovician fossiliferous limestones over Proterozoic gneiss (Montmorency Promontory, north of Montmorency Falls, Quebec City, Quebec, Canada) |
| 撮影日 | 2014-11-25 19:32:10 |
| 撮影者 | James St. John |
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