Donut- or torus-shaped depression detected on Mars.
Description
Ring furrows are circular, flat-floored trenches, surrounding a central, flat-topped mesa or plateau (Fig.
1). The internal plateaus are about the same elevation or lower than the plain outside the trench.
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References
De Hon RA (1984) Inversion of topography in Martian highlands terrains. Lunar Planet Sci Conf XV: pp 202–203, HoustonGoogle Scholar
De Hon RA (1985) Inversion of topography in Martian highland terrains. Abstracts 98th annual meeting of Geological Society of America, p 560Google Scholar
De Hon RA (1986) Ring furrows on Martian highlands: guides to surface processes and stratification. NASA Tech Mem 88383:421–423Google Scholar
De Hon RA (1987) Ring furrows: inversion of topography in Martian highland terrains. Icarus 71(2):287–297CrossRefGoogle Scholar
De Hon RA, McDaniel EE (1986) Ring furrows of the Martian highlands. Lunar Planet Sci Conf XVII: 162–163, HoustonGoogle Scholar
