Fig. 4

a Overview of the ALOS PALSAR-2 amplitude image in Ultra-Fine mode with a resolution of 3 m/px. HH polarization (filtered and resampled to reduce noise). The center of the impact structure is located at 24°24′E, 24°34′N; b complex arrangement of impact-related layering and fluvial overprint, center at 24°27′E, 24°33′N. c Layering at the inner ring (center at 24°24′E, 24°34′N) and d layering exposed north of the Oasis impact crater (center at 24°24′E, 24°39′N)