Author Archives: Mark Wilson

This simple, rounded fossil with tiny holes on its surface is the trepostome bryozoan Prasopora falesi (James, 1884) from the Middle Ordovician Galena Group of eastern Iowa. It was collected with dozens of others on an Independent Study field trip &#82… Continue reading →

Isn’t this amazing preservation? This fossil crab, which we received as a donation a few years ago, is Macrophthalmus latreillei (Desmarest, 1822) from the Pleistocene of northern Australia. It is virtually identical to its modern counterpart of … Continue reading →

WOOSTER, OHIO–Greg Wiles and members of his crack dendrochronology team from our tree-ring laboratory are being filmed today for a PBS program called “Our Ohio“. It is great fun watching the TV crew setting up their equipment, and our… Continue reading →

About a year ago I showed my good friend Bill Ausich (The Ohio State University) hundreds of crinoid pieces from the Matmor Formation (Jurassic, Callovian) exposed in Hamakhtesh Hagadol, southern Israel. We knew the crinoid represented by all these pie… Continue reading →

CHARLOTTE, NORTH CAROLINA–Our very last presentation at the 2012 annual meeting of the Geological Society of America was by Professor Meagen Pollock. She is shown above in an iPhone photograph near the middle of her talk about the educational and… Continue reading →

CHARLOTTE, NORTH CAROLINA–The last day of a scientific meeting is always less frantic. About half the attendees have left for home, the exhibitors start to give away merchandise so they don’t have to ship it home, and the speakers are &#823… Continue reading →

CHARLOTTE, NORTH CAROLINA–Monday evening is the traditional time at GSA when colleges and universities (and field camps and consortia) host gatherings of their alumni and friends. The College of Wooster is always art of the “Group Alumni Re… Continue reading →

CHARLOTTE, NORTH CAROLINA–I thought you might like to see a typical GSA poster session from a set of windows above the action. Only half of the poster stands are visible from here, so you get an idea how big these … Continue reading → Continue reading →

CHARLOTTE, NORTH CAROLINA–Matt Peppers (’13), a member of the intrepid Team Utah, presented his poster today at the 2012 Geological Society of America annual meeting. Matt is working on the dynamics of the volcanic flows in the Black Rock D… Continue reading →

CHARLOTTE, NORTH CAROLINA–President of the Geological Society of America George H. Davis delivered a spectacular and inspiring address early this afternoon. As his title says, he emphasized the joys and privileges of being geologists along with t… Continue reading →