PAOC Spotlights

Ancient armor

Tue June 7th, 2011
Jennifer Chu, MIT News Office
An image of the microfossil Characodictyon taken with a scanning electron microscope. This fossil was extracted using very weak acid from a carbonate rock. It's about 20 microns long - one-fifth the width of a human hair. Image courtesy of Cohen, MacdonaldIn summer 2007, two geologists armed with rock hammers and a shotgun hiked through the Yukon, looking for fossils. For two weeks, Phoebe Cohen, now a postdoc here in PAOC, and Francis Macdonald, an assistant professor of geology at Harvard University, set up camp along the Alaska-Canada border in a remote mountain range accessible only via helicopter. Read more about their work in this MIT News article by staffer Jennifer Chu.