multiring structure

multiring structure

[′məl·tə‚riŋ ‚strək·chər]
(astronomy)
A formation on the moon's surface consisting of two or more craters within a larger crater.
References in periodicals archive ?
The local gravity and Magnetic anomalies have a similar pattern than those potential field anomalies modeled at the Sudbury impact crater, Ontario, Canada, where the gravity and magnetic highs are associated with the complex multiring structure (Wrestboek and Stewart, 1996).