GRD02RLS0
EC 14
Granite
Unknown
None
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4
Ritter 154 › Cabinet 3 › Drawer F
Pegmatite
Cummulate Tourmaline(Schorlite) bearing pegmatite. Off-white subhedral Plagioclase(1-2 cm) forming cumulate band in rock. Gray vitreous anhedral Quartz(0.5-2 cm). Light pink/yellow subhedral K-spar (1-5 mm). Black sub/euhedral Schorlite (1 mm - 1 cm) forming cummulate band adjacent to Plagioclase band.
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GRD02RLT0: 38 Quartz, 35 Plagioclase, 20 K-spar, 5 Schorlite, 2 Sericite/Sphene/Zircon. Plagioclase shows heavy alteration to Sericite. Michel-Levy tests suggests Andesine Plagioclase
GRD02RLT1: 38 Quartz, 35 Plagioclase, 20 K-spar, 5 Schorlite, 2 Sericite/Sphene/Zircon. Plagioclase shows heavy alteration to Sericite. Michel-Levy tests suggests Andesine Plagioclase
GRD02RLT2: 38 Quartz, 35 Plagioclase, 20 K-spar, 5 Schorlite, 2 Sericite/Sphene/Zircon. Plagioclase shows heavy alteration to Sericite. Michel-Levy tests suggests Andesine Plagioclase
GRD02RLT3: 38 Quartz, 35 Plagioclase, 20 K-spar, 5 Schorlite, 2 Sericite/Sphene/Zircon. Plagioclase shows heavy alteration to Sericite. Michel-Levy tests suggests Andesine Plagioclase
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