This study involves the evaluation of remote sensing technology using Landsat data for the detection of lineaments in the south-central Alborz Mountains of northern Iran. Both visual and computer-enhanced interpretation techniques were employed. One application of remote sensing is to acquire facts about a terrain that can aid in deciphering the underlying geologic structure and ultimately, its tectonic evolution. The major contribution of Landsat imagery in mineral exploration and seismic activities has been the identification of previously unknown lineaments. Concentrations of lineaments may indicate where the crust is weakest and, therefore, most likely to be mineralized or susceptible to seismic activity. In this study, a correlation was found between lineaments detected in the study area, the zone of weakness characterized by seismic activity, and mineral concentrations.