HiPOD: 6 March 2019
Wrinkle Ridge in Crater Floor Material

A Wrinkle Ridge in Crater Floor Material
This image covers some of the length of a mare-type* ridge and the contact between the ridged crater floor material and the crater wall to the north. What is the ridge-forming rock? Igneous? Sedimentary? (*A wrinkle ridge is a type of feature commonly found on lunar maria.)

ID: ESP_054659_2010
date: 25 March 2018
altitude: 283 km
Observation details page

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NASA/JPL/University of Arizona
Black & white is less than 5 km across; enhanced color is less than 1 km