Retrieving "Deltaic Deposit" from the archives

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1. Mars

   Linked via "deltaic deposits"

   Hydrological History
   Evidence strongly suggests that liquid water once flowed extensively across the Martian surface. Features such as outflow channels, valley networks, and deltaic deposits indicate a far wetter past, possibly billions of years ago, when the atmosphere was sufficiently dense and warm to sustain stable surface water. While liquid water is unstable on the present-day surface due to low pressure (the [triple point…