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Iron ore Specularite large
Geology Photo page
Category: Sedimentary structures
There are several theories about these structures. The traditional theory is that these are raindrop impacts, formed in the soft lime mud. A more recent theory is that the imprint of algal mats. The small circles were prints of air bubbles in the algal mats.
Photographed in: Winterswijk, The Netherlands
By Robert Mensink (Fossielenzoeker)
Fossiel.net number: 432-0002
The goal of this Geology Photo page is to present an overview of geological structures from all over the world. Anybody who wants to contribute by improving the information or adding images is welcome to do so! Either contact the Fossiel.net Team or use the Input Form.