Author Archives: Mark Wilson

About Mark Wilson

Mark Wilson is an emeritus Professor of Geology at The College of Wooster. He specializes in invertebrate paleontology, carbonate sedimentology, and stratigraphy. He also is an expert on pseudoscience, especially creationism.

Wooster Geologists Team Jurassic Utah dips down into the Triassic for its last field day

Today the Wooster Geologists of Team Jurassic Utah visited Early Triassic rocks near Hurricane, Utah (N 37.041054°, W 113.273450°). These are rocks of the Virgin Limestone Member of the Moenkopi Formation. I wanted to show the students the abundant bra… Continue reading

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A culture and nature day for Team Jurassic Utah 2022

Our field work is now done, so we had a day of cultural and natural sites. Our morning started with a visit to the Visitor’s Center at the LDS Temple in St. George. There the students learned at least one … Continue reading → Continue reading

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Jackson Peak section: Another gnatty adventure

This morning the Wooster Geologists visited the westernmost exposure of the lower Carmel Formation at Nielson’s (1990) Jackson Peak section. Nick and Vicky are shown above on the road towards the conical Jackson Peak in the background. The site w… Continue reading

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Up the steep slopes for a trace fossil reward in Dammeron Valley

Today Team Utah 2022 climbed the outcrops in Dammeron Valley, north of St. George, to collect trace fossils from the Co-op Creek Limestone Member of the Carmel Formation (Middle Jurassic). It was a bit of a slog up the rubbly … Continue reading &… Continue reading

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Wooster geologists serve their time in Buggy Gulch

Many veterans of the Wooster Geology expeditions to southwestern Utah will remember the insatiable, abundant, nearly overwhelming biting gnats that occasionally proliferated during our fieldwork. We’ve suffered them each day, but this was the wor… Continue reading

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Back to the Eagle Mountain Ranch and its magnificent exposures

One of my favorite Jurassic outcrops in all the world is found on the Eagle Mountain Ranch north of Gunlock, Utah (locality C/W-142; EMR). It has an exposure of the Carmel Formation with the perfect orientation to produce fossils weathered … Cont… Continue reading

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Second field day in SW Utah Jurassic: Wooster geologists begin their projects

During another beautiful day in southwestern Utah, Team Utah 2022 began to collect field data and specimens. We started in Manganese Wash with Lucie’s project, which involves the stratigraphy and paleoenvironments associated with the transition f… Continue reading

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Wooster Geologists return to southwestern Utah

Washington, Utah — In March 2020 a team of Wooster Geologists was in beautiful southwestern Utah sampling, measuring and analyzing rocks and fossils from the Middle Jurassic Carmel Formation north of St. George. The Covid-19 pandemic forced us to… Continue reading

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Wooster’s Fossil of the Week: Encrusted strophomenid brachiopods from the Upper Ordovician of northern Kentucky (and the old concave-up or concave-down controversy)

After the delightful Joint North-Central and Southeastern Section Meeting of the Geological Society of America in Cincinnati this month, some of the Wooster Geologists visited a fossiliferous exposure of the Bellevue Formation (Upper Ordovician, Katian… Continue reading

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Wooster geologists at the Joint North-Central and Southeastern Section Meeting of the Geological Society of America in Cincinnati

Cincinnati, Ohio —  This week Professor Wiles, Nick Wiesenberg and I attended the 2022 Joint North-Central and Southeastern meeting of the Geological Society of America in Cincinnati, about a three-hour drive south of Wooster. It was quite satisf… Continue reading

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