Septarian nodule from Ohio. The name septarian comes from many of the rocks having seven cracks. In these nodules the cracks are filled with calcite. Each specimen is about 5 cm across | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Kinsman, Ted |
Bildgröße: | 5760 px × 3840 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
|