Curiosity Right Mastcam (M-100)

Sol 401 00:01 Site 16/0148 0401MR0016610000302292E01_DXXX
Darwin Stratigraphy [observations]
Jan 1, 2000 at 11:58:56 AM UTC (approximate)
Credit: NASA / JPL-Caltech / Malin Space Science Systems

Image Source