Geomorphology of Cape York and Solander Point, Examining Opportunity's destination at Endeavour Crater |
Geomorphology of Cape York and Solander Point, Examining Opportunity's destination at Endeavour Crater |
Jul 6 2010, 07:52 PM
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The Poet Dude Group: Moderator Posts: 5551 Joined: 15-March 04 From: Kendal, Cumbria, UK Member No.: 60 |
Everyone, say hello to Cape York... in colour...
Larger version on my blog: http://roadtoendeavour.wordpress.com/2010/...-york-in-colour -------------------- |
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Oct 25 2011, 06:00 PM
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Senior Member Group: Members Posts: 2998 Joined: 30-October 04 Member No.: 105 |
I see angular and rounded pebbles with a "hematite signature" but not to the extent that I can call them "blueberries". We've not seen these rounded pebbles in-situ, nor broken in x-section, so I can say that they are blue, but can't say berries.
And, as Nigel suggests, they may be lapilli. One characteristic of this region of Mars is the abundance of various Iron (III) oxides and hydroxides. And we don't have much experieces locally with hematites as impact melts. The western slope of CY is so shallow that some "onlap encroachment" is indeed possible, especially at this highly-eroded point on the Endeavour rim. So a blueberry or two wouldn't be earthshaking. Those clasts do simply _look_ rounded, and not necessarily blueberrish. So the jury will be out til we get more mineralogical data. --Bill -------------------- |
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