GRD026OS0
ERDC-29D-5(3)
Syenite
Unknown
None
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2
Ritter 154 › Cabinet 37 › Drawer F
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Small cut sample measures ~4x3x1.5 cm from the cut face. Medium-grained crystalline. Abundant white feldspar and greenish pyroxene. Billet and billet pieces.
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ERDC Dredge 29
Pacific Ocean
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N/A
Slide 1: Pyroxene and opaques surrounded by pagioclase; some alteration
2.5
plane
Slide 1: Pyroxene and opaques surrounded by pagioclase; some alteration
2.5
crossed
Slide 1: Green pyroxene (?) surrounded by quartz and plagioclase
5.0
plane
Slide 1: Green pyroxene (?) surrounded by quartz and plagioclase
5.0
crossed
Slide 1
scan
crossed
Slide 2 (Scrap)
scan
crossed
GRD026OT0: Slide 1: 90% plagioclase (many with altered cores), 5% green to blue (in XPL) pyroxene?, 5% quartz trace opaques (C. Eichler)
GRD026OT1: Slide 2 (Scrap): 90% plagioclase (many with altered cores), 5% green to blue (in XPL) pyroxene?, 5% quartz trace opaques (C. Eichler)
N/A
N/A