These currents would bulldoze the dense, chemically distinct rock toward the plumes, and, over time, they could pack it into
a roughly circular shape.
Some people experience intense aversion and anxiety when they see clusters of
roughly circular shapes, such as the bubbles in a cup of coffee or the holes in a sponge.
Not exact matches
The informally named Piccard Mons (5.5 kilometres tall) and Wright Mons (3.2 kilometres tall) both have the same
shape as volcanoes we see on Earth:
roughly circular mountains with pits in their centres.
Roughly 5,000 years ago, Egyptians would use rings because of the
circular shape.