I am a geologist who uses geochemistry, geochronology, and petrology to interrogate the thermal and chemical history of Earth's lithosphere. Much of my work can be classified as "geochemical signal processing": using statistical tools (PCA, ICA, cluster analysis) to break down and interpret large geochemical datasets, including those I collect (often by LA-ICPMS) or from aggregate data (e.g., GEOROC). My approach involves field work in modern and ancient mountain belts, followed by high-precision analytical and modelling work. Some recent efforts include large-scale statistical projects on compiled zircon and whole-rock igneous data. Recently, I have combined these approaches with geophysical data to probe modern continental lithosphere.
I am currently a postdoctoral scholar at Penn State, working closely with Drs. Andy Smye, Maureen Feineman, and Jesse Reimink. Pennsylvania has a rich natural and cultural history, and in my spare time, you can find me investigating local geology, hikes, birds, and mushrooms.
Please feel free to reach out and discuss anything you see here at jmgarber [at] psu [dot] edu.