GRD026RS0
ERDC08-29D-5-X
Diorite
Unknown
None
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1
Ritter 154 › Cabinet 37 › Drawer F
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Small bag of two very small cut pieces. Fine-grained crystalline: quartz-amphibole-Fe-oxides.
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ERDC Dredge 29
Pacific Ocean
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N/A
Small biotite surrounded by plagioclase and quartz
2.5
plane
Small biotite surrounded by plagioclase and quartz
2.5
crossed
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scan
crossed
GRD026RT0: 50% plagioclase (polysynthetic twinning and oscillatory zontion), 45% quartz (second order yellow), 5% biotite, trace amounts of pyroxene and opaques (C. Eichler)
N/A
N/A