Infrared imagery of Lordsburg-Silver City area, New Mexico

Night time infrared imagery of the area between Lordsburg and Silver City, New Mexico, indicates numerous applications of studies of the geology and hydrology of desert regions. Tertiary volcanic rocks consisting of flows and welded tuffs show good tonal contrasts within themselves. Precambrian granites and gneisses appear mottled. Water courses appear as dark streaks, cold water springs as dark patches, and water standing in ponds and reservoirs is bright in contrast to the darker (cooler) surrounding materials.