Matijevic Hill first survey, Sol 3057 - 3152 |
Matijevic Hill first survey, Sol 3057 - 3152 |
Aug 31 2012, 09:19 AM
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The Poet Dude Group: Moderator Posts: 5551 Joined: 15-March 04 From: Kendal, Cumbria, UK Member No.: 60 |
Oooooh, you're pretty...
Might be here a while, you think? Edit: better colours on this amended version, I think... http://twitpic.com/apn9s1/full -------------------- |
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Sep 4 2012, 07:49 PM
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#2
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Junior Member Group: Members Posts: 94 Joined: 11-August 12 Member No.: 6536 |
I'm no geologist, but I'm going with a greenstone/green schist/chlorite schist with embedded garnets. The rock looks finely layered, so maybe it is a schist. The little pebbles could be embedded garnets which have eroded out of the rock. Chlorite is a group of phyllosilicate minerals, some of which contain iron and magnesium. Chlorite could be the source of the Fe/Mg rich phyllosilicates seen in the spectra.
Green schist is a metamorphic rock formed from basalt. Some of the oldest rocks on earth are green schist. Image here |
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