HiPOD: Isidis Basin Ejecta This scene is a jumbled mess! There are blocks and smears of many different rocks types that appear to have been dumped into a pile. This pile of old rocks is an island surrounded by younger lava flows from Syrtis Major. https://www.uahirise.org/ESP_011261_1960 NASA/JPL-Caltech/UArizona mars threads