Tag Archives: Cretaceous

Bryozoan Paradise at the K/T Boundary

Mark Wilson May 27, 2010 9:23 pm

NEW ALBANY, MISSISSIPPI — One of the main advantages of being a geologist in a liberal arts program is the diversity of experiences our students and faculty have.  While some Wooster geologists are enjoying a “soft rock” adventure in the … Continue reading →

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Which came first?

Mark Wilson May 27, 2010 8:24 pm

NEW ALBANY, MISSISSIPPI — The Cretaceous oyster above was collected from the Coon Creek Beds of the Ripley Formation (Upper Cretaceous) near Blue Springs, Mississippi.  The holes are borings called Entobia which were produced by clionaid sponges which built a … Continue reading →

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Fixing your search images

Mark Wilson May 26, 2010 8:54 pm

NEW ALBANY, MISSISSIPPI — The kind of science our paleontological field team is doing ultimately depends on unpredictable discoveries.  We came to this part of the world based on the recorded experiences of generations of geologists who assembled maps of … Continue reading →

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An abundance of Cretaceous shark teeth

Mark Wilson May 25, 2010 9:28 pm

STARKVILLE, MISSISSIPPI — OK, Andrew Retzler, please identify these teeth as best as you can in the comments below!  For everyone else, Andrew will be leaving with me in little more than a week for Israel where he will be … Continue reading →

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We meet the Cretaceous-Tertiary boundary in Mississippi

Mark Wilson May 25, 2010 9:18 pm

STARKVILLE, MISSISSIPPI — George Phillips took us to a series of Starkville outcrops today straddling the Cretaceous-Tertiary boundary.  The boundary here is gradational and generally marked by a color change from gray in the upper Prairie Bluff Formation to light … Continue reading →

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New Member of the Cretaceous-Tertiary Southern USA Team

Mark Wilson May 25, 2010 9:02 pm

STARKVILLE, MISSISSIPPI — We simply could not do this work without the guidance of local geologists who know the stratigraphy and the locations which are likely to yield the best results.  This is especially true in eastern Mississippi where most … Continue reading →

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Our first vertebrate fossil

Mark Wilson May 24, 2010 5:06 pm
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From Alabama to Mississippi

Mark Wilson May 24, 2010 5:01 pm

STARKVILLE, MISSISSIPPI — Early this morning we left Demopolis, Alabama, and drove to Livingston, home of the University of West Alabama.  Our first localities, in fact, were very close to campus as we again explored the Upper Cretaceous Prairie Bluff … Continue reading →

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Sweet Home Alabama

Mark Wilson May 23, 2010 4:55 pm

DEMOPOLIS, ALABAMA — We practically had the state to ourselves on this steamy Sunday as we drove around western Alabama looking for outcrops of the latest Cretaceous and earliest Paleogene.  As is often the case, localities described in the literature … Continue reading →

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Mud, Sun and Fossils

Mark Wilson May 22, 2010 4:44 pm

GREENVILLE, ALABAMA — Reconnaissance is over for this part of the state, and our work commenced this morning.  We want to find good sclerobiont communities above and below the Cretaceous-Tertiary boundary, so here that means we want specimens from the … Continue reading →

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