Beyond Lewis and Clark Gap, Sol 4482- (September 2, 2016-) |
Beyond Lewis and Clark Gap, Sol 4482- (September 2, 2016-) |
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#1
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 4252 Joined: 17-January 05 Member No.: 152 ![]() |
Our first good look through the gap:
http://qt.exploratorium.edu/mars/opportuni...0M1.JPG?sol4482 |
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#2
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 1045 Joined: 17-February 09 Member No.: 4605 ![]() |
An eposter that provides an easy read summary of Endeavour including assessed erosion levels is here: https://www.hou.usra.edu/meetings/lpsc2015/eposter/2017.pdf
The spherule lag deposits on the plains imply that there has been only a few metres of erosion of the fragile sedimentary deposits since the Meridiani water table dropped around 3.5My, so preservation of remnants of an early gully seems quite reasonable following desiccation of the environment. Prior to that with a near surface water table at Victoria crater and the permeable sedimentary deposits there must have been a plentiful water supply at Endeavour. |
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