Intersecting Wrinkle Ridges
Lava once flooded and filled the mare basins. After it hardened into basalt, tectonic forces broke and buckled the volcanic rock into complex patterns of wrinkle ridges that zigzag through the dark mare. Three wrinkle ridges and their underlying faults come together here in Mare Frigoris to form an unusual triple junction.
- Latitude: 60.869°
- Longitude: 333.527°
- Camera: NAC
- Image Width: 115.0 km
- Image(s): M1190989008LR
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