Volcanic rock is common in the Mojave Desert, shaped by past volcanic activity and responsible for some of the region's striking landscapes.

The Mojave Desert is home to a variety of volcanic rock formations, primarily due to the region's history of volcanic activity. Rocks like basalt, which result from solidified lava flows, are particularly abundant in areas such as the Amboy Crater and the Mojave Lava Beds. These volcanic rocks contribute to the rugged, dramatic terrain and play a key role in the desert’s geological landscape. While sedimentary and limestone rocks are also present, volcanic rock is the most characteristic and widespread type in the Mojave, influencing both the region's topography and ecosystems.