Cape York - The "Lakelands", Starting sol 2703 |
Cape York - The "Lakelands", Starting sol 2703 |
Sep 1 2011, 04:30 PM
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#1
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Senior Member Group: Moderator Posts: 4280 Joined: 19-April 05 From: .br at .es Member No.: 253 |
Bye bye, Tisdale. It's time to move on.
Next target? Philosilicates. ----- Edited on Sep 16 2011. This thread is dedicated to the exploration of Cape York, starting on sol 2703 when Opportunity left the "rocky garden" and started moving towards Chester Lake. |
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Sep 19 2011, 04:01 AM
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#2
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Senior Member Group: Members Posts: 2228 Joined: 1-December 04 From: Marble Falls, Texas, USA Member No.: 116 |
That rock was incredibly soft. I wasn't expecting that. In retrospect, perhaps I should have expected it. The outcrop is worn down just as flat as the surrounding Meridiani sandstones, so why wouldn't we expect it to be soft?
-------------------- ...Tom
I'm not a Space Fan, I'm a Space Exploration Enthusiast. |
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Sep 19 2011, 07:40 AM
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#3
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Senior Member Group: Members Posts: 1064 Joined: 17-February 09 Member No.: 4605 |
..... The outcrop is worn down just as flat as the surrounding Meridiani sandstones, so why wouldn't we expect it to be soft? Indeed. Remember Clovis rock - a Spirit RAT in 2004 - image below? Looks a bit softer than Opportunity's last grind. But this is a breccia, probably suevite and the weathering susceptibilities of the constituent elements are different to the Moh's scale resistance to abrasion. http://marsrover.nasa.gov/gallery/press/sp...o-A223R1_br.jpg |
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