Pioneer Mountains, ID Panorama
Detailed Description
Pioneer Mountains metamorphic core complex – gray peaks (middle) are in the lower plate that is separated by a detachment fault on both sides, overlain by Ordovician through Silurian yellow metasedimentary units (right and middle left) that make up the middle plate which is separated by another detachment fault overlain by later Paleozoic units (left).
Sources/Usage
Public Domain.