Photo Gallery
![](https://fm-digital-assets.fieldmuseum.org/1223/554/SilurianPan1090639de.jpg)
Collecting fossils and investigating reef outcrops during a trip to Door County, Wisconsin in autumn, 2015.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/1223/536/SilurianDoorCty0175.jpg)
Collecting fossils and investigating reef outcrops during a trip to Door County, Wisconsin in autumn, 2015.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/1223/533/SilurianDoorCty0172.jpg)
Collecting fossils and investigating reef outcrops during a trip to Door County, Wisconsin in autumn, 2015.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/1223/518/SilurianDoorCty0150.jpg)
Collecting fossils and investigating reef outcrops during a trip to Door County, Wisconsin in autumn, 2015.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/1223/522/SilurianDoorCty0155.jpg)
Collecting fossils and investigating rocky outcrops during a trip to Door County, Wisconsin in autumn, 2015.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/1223/507/SilurianDoorCty0139.jpg)
The lighter white-colored parts of this rock are trace fossils of a trail or burrow left behind by a Silurian reef dweller. Door County, WI
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/1223/498/SilurianDoorCty0128.jpg)
Specimen bags, gloves and a few other collecting tools near a good field site in Door County.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/1223/477/SilurianDoorCty0077.jpg)
Paul finds a fossil during a trip to Door County, Wisconsin in autumn, 2015.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/1223/472/SilurianDoorCty0071.jpg)
Marc finds a fossil impression during a trip to Door County, Wisconsin in autumn, 2015.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/1223/463/SilurianDoorCty0058.jpg)
Brachiopods were unfortunately difficult to find at Brachiopod Point in Door County, Wisconsin, autumn, 2015.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/1223/456/SilurianDoorCty0052.jpg)
Paul Mayer collects a fossil and Marc Lambruschi gets ready to georeference the site during a trip to Door County, Wisconsin in autumn, 2015.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Some geologists might call flowers a distraction, but no harm, no foul.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Fall is a good time for fossil-hunting in Wisconsin and the Mid-West. On colder days, biting insects leave paleontologists to their work, thinning foliage makes it easier to see rocky outcrops, and the leaves that are still around can be spectacular.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
PJ Burke and Sharon Grant collecting fossils and investigating artistically-arranged rocks along the shores of Lake Michigan during a trip to Door County, Wisconsin in autumn, 2015.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/1223/449/SilurianDoorCty0043.jpg)
Paul Mayer and PJ Burke collecting fossils and investigating reef outcrops during a trip to Door County, Wisconsin in autumn, 2015.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Investigating sedimentation in rocks (and lichen covering them) during a trip to Door County, Wisconsin in autumn, 2015.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Collecting fossils and investigating reef outcrops during a trip to Door County, Wisconsin.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Sites
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North America, USA, Wisconsin, Door, Sturgeon Bay, Mathey Road Quarry. [LL]