Author Archives: Mark Wilson

About Mark Wilson

Mark Wilson is a 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’s Fossil of the Week: Predatory trace from the Upper Cretaceous of southwestern France

One hole in a shell is unremarkable. Several in a repeating pattern is a story. Above is a right valve (exterior) of the oyster Pycnodonte vesicularis from the Campanian (Upper Cretaceous) of southwestern France. It was collected during our fantastic … Continue reading
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The annual Wooster Paleontology field trip to the Upper Ordovician (Fall 2017 version)

It’s not that I haven’t loved all my Invertebrate Paleontology classes, but the students this year are special because there are only ten of them. Lately I’ve had up to thirty students per class which is great for many reasons, … Continue reading
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Wooster’s Fossil of the Week: A rudist clam from the Upper Cretaceous of southwestern France

When we picked up this beautiful fossil in southwestern France this summer, Paul Taylor immediately predicted it would become a Wooster Fossil of the Week. Macy Conrad (’18), Paul and I were on our wonderful expedition in the Type Campanian … Continue reading
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Unknown fossils for the Invertebrate Paleontology class at Wooster

I start my Invertebrate Paleontology classes with an unknown fossil given to each student. I pick something I have enough examples of so that everyone gets the same species. As their first assignment, the students are asked to identify their … Continue reading
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Wooster Geology Department 2017 Annual Report

The Thirty-First Annual Report of the Geology Department is now available online with this link. Our Administrative Coordinator Patrice Reeder has once again done a magnificent job putting this document together, with amazing attention to detail and an artistic eye … Continue reading
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Wooster’s Fossils of the Week: Oysters from the Upper Cretaceous (Campanian) of southwestern France

Wooster’s Fossil of the Week returns from its summer hiatus. It is appropriate, then, to feature as our first fossil of the new season an oyster species prominent in our summer research. This is Pycnodonte vesicularis (Lamarck, 1806), a very … Continue reading
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Wooster Geology Professor Frederick W. Cropp III (1932-2017)

Professor Fred Cropp taught geology at Wooster from 1964 to 1997. He was an extraordinary teacher and, in his own words, “a cheerleader for geology”. Many, many Wooster students became geologists in response to his enthusiasm, energy and spirit. I … Continue reading
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Wooster Geologist in Idaho: Adventures in granite

Gloria and I traveled out west this summer to see family and a bit of scenery. Of course, geologists are always looking for geological attractions, and we found a delightful one at City of Rocks National Reserve in southern Idaho. … Continue reading
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Meanwhile, what are the Wooster Paleontologists up to?

Wooster, Ohio — The igneous petrology team has a thorough and entertaining report about their activities in the Wooster geology labs this summer. It has encouraged the summer paleontologists (that would be me and Macy Conrad ’18) to give a … Continue reading
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French oysters. Aged to perfection.

Wooster, Ohio — After our glorious fieldwork in France earlier this month, the Campanian (Upper Cretaceous) oysters Macy Conrad (’18), Paul Taylor (Natural History Museum, London), and I collected are now in our cozy Wooster Paleontology Lab. Now the less … Continue reading
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