Jezero Delta Campaign, Sols 414-1000, 21 Apr 2022- 23 Dec 2023 |
Jezero Delta Campaign, Sols 414-1000, 21 Apr 2022- 23 Dec 2023 |
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#1
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Member ![]() ![]() ![]() Group: Members Posts: 362 Joined: 13-April 06 From: Malta Member No.: 741 ![]() |
Think we can kick off the new phase of exploration at Jezero.
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#2
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![]() Member ![]() ![]() ![]() Group: Members Posts: 715 Joined: 3-January 08 Member No.: 3995 ![]() |
It's possible the thick cross-bedded unit in Kodiak butte was formed by eolian processes. Sand dunes and drifts likely formed across the delta during dry periods. The cross-beds seem to dip to the southwest (or somewhere between south and east), which would be unexpected with those formed by fluvial processes on the delta. Perhaps coastal dunes formed as the lake level dropped and sediment became available to wind transport.
As for Kodiak butte itself, it could be an old crater pedestal, where the rock altered by the impact became slightly more resistant than the surrounding material. Over time, the rest is eroded away by mass wasting and wind, leaving the neat little butte. |
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