Ground Gamma-ray Spectrometry Data of the Araguainha Impact Structure

This is a gamma-ray dataset that was collected during three field campaings in the Araguainha impact structure in Brazil. Araguainha is the largest impact strucutre of the country (~40 km wide). The available file provides the raw dataset in counts per unit of time, the concentration values of K, U and Th, and some derived products for geological interpretation.