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Petr Hykš
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11 Questions

Votes Activity Newest Views
 
0
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1
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128
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What exactly is ammonite?

Dec 1 at 20:19 Glorfindel 282
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4
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0
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800
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Could this be pyroxene twinning ? (thin section)

Dec 6 '16 at 18:32 Petr Hykš 595
 
4
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0
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500
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I have found this structure in thin section. What is it?

Nov 24 '16 at 1:18 Daniel Griscom 1,048