Venus - Magellan

Volcanic "pancake" domes in Tinatin Planitia, Venus

Venus
Magellan radar image of volcanic "pancake" domes in Tinatin Planitia, Venus. These domes appear to have been formed by the extrusion of high viscosity lava, which accounts for their flattered tops and steep edges. The largest dome is 62 km in diameter. North is up. (Portion of Magellan C1-MIDR 15N009;1,framelet 36) 

Venus
Venus Geology and Geophysics
Magellan Mission
Volcanism in the Solar System
Dome