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 7 2012, 01:48 AM
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Senior Member Group: Members Posts: 2998 Joined: 30-October 04 Member No.: 105 |
QUOTE (dburt) These somewhat resemble devitrification spherulites (a type of spherule) that form during the localized crystallization of water-bearing glass... I've been looking at these spherules and wondreing about the "rind" we see on many of them. You're probably close. Get a larger sample of examples with more images, get some idea of the color, maybe hit a flat surface with the snaggle-toothed RAT to get a fresh x-sectional view. And so forth. I think these MIs are a view of the light-toned flat rocks, we haven't even gotten to the dark, coarse-textured ones yet! --Bill CR: you may be right. On second glance, it's not looking like the light-toned flat rock. -------------------- |
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