Dorsum Cushman is a
wrinkle ridge
A wrinkle ridge is a type of feature commonly found on lunar maria, or basalt plains. These features are low, sinuous ridges formed on the mare surface that can extend for up to several hundred kilometers. Wrinkle ridges are tectonic features ...
at in
Mare Fecunditatis
Mare Fecunditatis (Latin ''fēcunditātis'', the "Sea of Fecundity" or "Sea of Fertility") is a lunar mare in the eastern half of the visible Moon. The mare has a maximum diameter of 840 km.
__NOTOC__ Description
The Fecunditatis basin forme ...
on the
Moon
The Moon is Earth's only natural satellite. It Orbit of the Moon, orbits around Earth at Lunar distance, an average distance of (; about 30 times Earth diameter, Earth's diameter). The Moon rotation, rotates, with a rotation period (lunar ...
. It is 86 km long and was named after American micropaleontologist
Joseph Augustine Cushman
Joseph Augustine Cushman (January 31, 1881 – April 16, 1949) was an American micropaleontologist and academic. He specialized in the study of marine protozoans (foraminifera) and became the foremost foraminiferologist of the first half of the ...
in 1976.
References
{{moon-stub
Cushman