Glacial Geology and Geochronology Research Group

Welcome to the Glacial Geology and Geochronology Research Group at the University of Maine!  Use the links below to learn more about our ongoing research.

Current Research

We are working on projects in western Maine/northern New Hampshire, Scotland, Greenland, Mongolia, New Zealand, South America, and Antarctica.



Learn about the researchers and students in our group.


University of Maine Cosmogenic Isotope Laboratory

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Photo Gallery

View photos from past and present research projects from all over the world. See more.

Past Projects

Read about past research projects, locations and people.


See data from our past projects here.

For K-12 Teachers

Click here.


  • August 2019: The UM Cosmogenic Isotope Laboratory is celebrating our lowest background Be carrier ever with a 10Be/9Be ratio of 1.5 x 10^-16 !
  • May 2019: Dr. Aaron Putnam, PhD Student Peter Strand, and undergraduate student Laura Mattas return from their fieldwork at Mt. Everest. Read more here!
  • April 2019: Congratulations to Dr. Brenda Hall who was awarded the University of Maine’s 2019 Outstanding Research Award! Learn more about her work here.
  • March 2019: Meghan is featured in an article in National Geographic on women in Antarctic research! Check it out here.
  • February 2019: PhD student Scott Braddock and Masters student Meghan Spoth board the RV Nathaniel B Palmer as part of the International Thwaites Glacier Collaboration. Follow their progress on twitter!
  • February 2019: Brenda, Maraina, Tess, and Laura are back from Antarctica! Check out the Current Research page to find out more about their project and successful field season.
  • January 2019: Dr. Aaron Putnam, PhD student Peter Strand, and Masters student Noel Potter arrive in New Zealand for another field season of glacial geomorphological mapping and cosmogenic dating! Head to the Current Research page to learn more.
  • December 2018: Dr. Brenda Hall, Masters students Maraina Miles and Tess Walther, and undergraduate Laura Mattas head Antarctica to continue work in the Royal Society Range.
  • September 2018: Congratulations to the newest PhD candidate, Peter Strand, for passing his written and oral comprehensive exams!
  • August 2018: Our cosmo lab got a makeover this summer! Check out the pictures here.
  • April 2018: Allie Balter, Jill Pelto, and Mariah Radue successfully defended their Masters theses. Congratulations Ladies!
  • April 2018: Masters Student Allie Balter received the National Science Foundation’s Graduate Research Fellowship Program Award!