The significance of gamma-ray scanning in geological studies is multifaceted. It’s a pivotal tool used to measure the natural radioactivity emanating from subsurface formations, notably from potassium, thorium, and uranium. These elements are key indicators of rock types and are particularly useful in mineral exploration to pinpoint potential deposits of value. The data from gamma-ray logs are instrumental in stratigraphic correlation, facilitating a more nuanced understanding of geological formations across different well sites. Given potassium is a major element in clay minerals, these logs are also indispensable in quantifying the clay content of rocks, which is crucial for evaluating their porosity and permeability — both critical factors in assessing reservoir quality. In the oil and gas sector, gamma-ray readings serve as a guide to identifying hydrocarbon-rich zones, as these tend to present lower levels of gamma radiation compared to non-hydrocarbon-bearing strata. Consequently, gamma-ray scanning serves as a key non-destructive exploration method that informs both the mining and energy sectors.