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 Fossils of the Week: A nest of cornulitid tubeworms and friends from the Upper Ordovician of northern Kentucky

This fascinating and complicated little cluster of cornulitid wormtubes was found by my current Independent Study student William Harrison while we were doing fieldwork near Petersburg, Kentucky. (Just down the road from the infamous Creation Museum, ironically.) It was collected … Continue reading
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Twenty-Eight Annual Report of the Geology Department at The College of Wooster

Every year our Administrative Coordinator Patrice Reeder puts together the Annual Report of Wooster’s Geology Department. Every year this document grows in detail, creativity and information. This year’s report is now available on this webpage. The Annual Report is our … Continue reading
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Wooster’s Fossils of the Week: The mysterious Paleozoic encrusters Ascodictyon and Allonema

  The above pair of fossils are small sclerobionts commonly found on hard substrates in shallow marine sediments through much of the Paleozoic, especially the Silurian and Devonian. Paul Taylor and I have been studying them for a few years … Continue reading
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Wooster’s Fossils of the Week: A hardground with rugose corals from the Upper Ordovician of southern Ohio

The above slab is a carbonate hardground from the Liberty Formation (Upper Ordovician) of southern Ohio. Carbonate hardgrounds are cemented seafloors, so we’re actually looking at the hard rocky bottom of an Ordovician sea. I’ve long found the idea of … Continue reading
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First Wooster paleontology field trip of the year: the glorious Ordovician of Ohio

Today the Invertebrate Paleontology class at The College of Wooster drove south to one of our favorite outcrops: the Waynesville, Liberty and Whitewater Formations (= Bull Fork Formation) at the emergency spillway in Caesar Creek State Park. I enjoy taking … Continue reading
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Wooster Geologists begin the 2014-2015 school year

What a fine group of geologists we had at the first meeting of the College of Wooster Geology Club this week. We have an ambitious year ahead of us with outside speakers, student presentations, course field trips, and our biennial … Continue reading
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Wooster’s Fossils of the Week: Orthid brachiopods from the Middle Devonian of New York

On the first day of the Invertebrate Paleontology course at Wooster, I give all the students a fossil to identify as best they can. Everyone gets the same kind of specimen, and they can use any means to put as … Continue reading
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Wooster’s Fossils of the Week: Remanié fossils in the Lower Cretaceous of south-central England

The last two editions were about a bryozoan and borings from the Faringdon Sponge Gravels (Lower Cretaceous, Upper Aptian) of south-central England. This week we have some Jurassic fossils from the same unit. That sounds a bit daft at first … Continue reading
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Wooster’s Fossils of the Week: Abundant borings in Early Cretaceous cobbles from south-central England

Last week I described a cyclostome bryozoan on the outside of a quartz cobble from the Faringdon Sponge Gravels (Lower Cretaceous, Upper Aptian) of south-central England near the town of Faringdon. This week I’m featuring a variety of heavily-bored calcareous … Continue reading
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The power of hand-held x-ray fluorescence analysis comes to Wooster

WOOSTER, OHIO–Dr. Meagen Pollock, our mineralogist-petrologist and instrument scientist extraordinaire, should be writing this post, but she was off campus during this event. It is left to the paleontologist, of all people, to file this report. Despite my technological naïveté … Continue reading
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