This image shows an apparent vent near the top of a wrinkle ridge that has some similar notches and eroded features. This vent appears unconnected to any other lava.

ID: ESP_055696_1870
date: 14 June 2018
altitude: 275 km

https://uahirise.org/hipod/ESP_055696_1870
NASA/JPL-Caltech/UArizona
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