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.

Forbes lists Geology as 7th in its “15 Most Valuable College Majors”

Mark Wilson May 26, 2012 12:59 pm

Sure it is intellectually stimulating, adventurous and fun, but geology is also an important field for the present and future according to the latest issue of Forbes magazine. Geology is ranked as number 7 in the most valuable college majors, … Continue reading →

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Wooster’s Fossils of the Week: Corkscrew shells from the Pliocene of Cyprus

Mark Wilson May 20, 2012 1:15 am

Steve Dornbos (’97), now a professor at the University of Wisconsin, Milwaukee, and I found these intricate shells by the hundreds in the Nicosia Formation (Pliocene) of Cyprus during his Independent Study field work. (We published this study in 1999.) They … Continue reading →

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Wooster’s Fossils of the Week: Intricate networks of tiny holes (clionaid sponge borings)

Mark Wilson May 13, 2012 1:28 am

The most effective agents of marine bioerosion today are among the simplest of animals: clionaid sponges. The traces they make in carbonate substrates are spherical chambers connected by short tunnels, as shown above in a modern example excavated in an … Continue reading →

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A rite of passage: Geology Junior Independent Study presentations

Mark Wilson May 6, 2012 7:33 pm

WOOSTER, OHIO–The College of Wooster requires an Independent Study (I.S.) thesis (or performance) from all of its graduates. These are not just extended literature reviews, but unique research projects crafted for and by each of our students. We devote three … Continue reading →

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Wooster’s Fossil of the Week: A giant oyster (Eocene of Texas)

Mark Wilson May 6, 2012 1:30 am

It’s no ordinary oyster, of course, because it comes from Texas. It certainly is the largest oyster I’ve ever seen. Wooster received it as part of a large donation in 2010. (You can see students studying it in this previous … Continue reading →

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Now this is field trip weather

Mark Wilson May 1, 2012 3:30 pm

WOOSTER, OHIO–It is now difficult to believe that we were measuring stratigraphic sections in a sleety thunderstorm on Saturday. Today the Tuesday lab of my Sedimentology & Stratigraphy course visited a local outcrop of the Logan Formation (Lower Carboniferous) to … Continue reading →

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Wooster’s Fossil of the Week: the classic bioclaustration (Upper Ordovician of Ohio)

Mark Wilson April 29, 2012 1:52 am

We’re looking at two fossils above. One is the bryozoan Peronopora, the major skeletal structure. The second is the odd series of scalloped holes in its surface. These are a trace fossil called Catellocaula vallata Palmer and Wilson 1988. They … Continue reading →

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A very damp field trip

Mark Wilson April 28, 2012 6:17 pm

FAIRBORN, OHIO–I actually used to brag about the great weather on my class field trips. The hubris! Today Shelley Judge and I took our combined Sedimentology & Stratigraphy and Structural Geology classes to Oakes Park Quarry near Dayton for a … Continue reading →

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Wooster Geologists at the 2012 Senior Research Symposium

Mark Wilson April 27, 2012 10:19 am

WOOSTER, OHIO–Six Wooster geology seniors presented their research to the campus and public this morning in Kauke Hall on the College of Wooster campus. They were among the first posters in the annual Senior Research Symposium in which Independent Study … Continue reading →

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Wooster’s Fossil of the Week: a nestling bivalve (Pleistocene of The Bahamas)

Mark Wilson April 22, 2012 1:48 am

This weathered and encrusted shell was pulled from a round hole bored in a Pleistocene reef (about 125,000 years old) exposed on San Salvador Island, The Bahamas. It is Coralliophaga coralliophaga (Gmelin 1791), a derived venerid bivalve (a type of … Continue reading →

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