CRISM: Delta in Jezero Crater

Jezero CraterJezero_Crater_delta is a ~45km crater near the Nili Fossae region which is believed to have once been flooded with water. The crater consists of a fan-delta system that deposited rich clays in the area. An important detail for us to compare Mars’s geography to Earth’s; like the Mississippi Delta which found little organisms imbedded into the rock, a sign that there could also have been life imbedded into the Mars rock in the delta region. This occurs because of a “drop off” area; when the water would flow in, the minerals would stop and “drop off” into the bedding, making life and organisms able to embed themselves in the rock. This knowledge that there… [More at link]

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