HiPOD: Thursday, 2 January 2020
Altered Prehnite Rich Mound in Ejecta

Mounds in Ejecta
In the ejecta from a giant, nearby crater are mounds that are possibly rich in prehnite. Prehnite is a pale green to gray, glassy silicate mineral that commonly lines cavities in igneous rocks.

ID: ESP_062135_1990
date: 29 October 2019
altitude: 279 km

https://uahirise.org/hipod/ESP_062135_1990
NASA/JPL-Caltech/UArizona
#Mars #science #NASA

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Black & white is less than 5 km across; enhanced color is less than 1 km. For full images including scale bars, visit the ID link.