Lamont Assoc. Research Professor/ Adj. Assoc. Professor

My research interests focus on the quantification of earth surface processes using cosmogenic nuclide techniques. Reconstructing continental glaciations on a near-global scale is our core project, with the goal to understand the puzzle about drivers of ice ages. Beyond, I am involved in projects investigating tectonic drivers of uplift (Calabria project, link), the landscape response to faulting processes, refining cosmogenic nuclide techniques and development of new cosmogenic isotope systems. 

Personal SiteDownload Joerg’s CV.pdf

Roseanne Schwartz (

Lab Manager/Chemist 


Lamont Assistant Research Professor

My main research interests include Quaternary and glacial geology, paleoclimatology, ice sheet dynamics, limnogeology, and using cosmogenic surface exposure dating to obtain chronologies for glacial and ice sheet fluctuations in South America, New Zealand, Arctic Canada, and Alaska. I have worked in eastern Maine, Arctic Canada, South America, and in New Zealand.

Download Mike’s CV.pdf




Aaron Putnam (

PhD Student: University of Maine

My primary interest is the history of mountain glacier and ice sheet activity.  My research at present is focused on developing a detailed 10Be surface-exposure chronology of glacial advances that occurred in the Southern Alps of New Zealand during the Last Glacial Maximum, Late Glacial and Holocene time. These data will help clarify whether the last ice age and subsequent 'abrupt climate change' events were registered coevally between the hemispheres.  In addition to New Zealand, I have worked in northern Maine, Arctic Canada, and Antarctica.





Meg Reitz (


PhD Student: Columbia University

My research interests are focused upon determining useful dating techniques for recent (less than 2 Ma) movement along faults, and using these dates along with structural analyses of the faults to determine recent tectonic movement.  This has applications in both large-scale plate movement as well as short-term earthquake hazards.  I am just beginning my research in Calabria, Southern Italy.