Automated X-ray fluorescence (XRF) equipment from the Continental Scientific Drilling (CSD) Facility at the University of Minnesota-Duluth (USA), used to measure inorganic geochemical elements (e.g., titanium or iron) in the sediments of Lake Petén Itzá. The photo shows cores from Lake Chalco in Mexico, measured in 2016. Picture credits: Dr. des. Rodrigo Martínez-Abarca/TU Braunschweig
This image is part of: Doctoral Adventure: 400,000 Years of Climate Change. Please note the copyright of this image.