GRD029WS0
M-77
Veins
Unknown
None
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1
Ritter 154 › Cabinet 14 › Drawer P
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Relict sedimentary layers with slight foliation. Several generations of veins: warped veins in pinkish layer, small vertical veins in dark layer, large cross-cutting quartz.
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Alpine
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Brown acicular crystal growth along the edge of the large quartz veins.
10.0
plane
Brown acicular crystal growth along the edge of the large quartz veins.
10.0
crossed
Large and small quartz veins. Relict radiolarians in Fe-rich opaque groundmass.
2.5
plane
Large and small quartz veins. Relict radiolarians in Fe-rich opaque groundmass.
2.5
crossed
-
scan
crossed
GRD029WT0: Thick quartz veins in reddish radiolarite. Recrystallized radiolarians. Some veins are more coarse-grained than others. Multiple generations? Brown acicular crystal growth along the edge of the large quartz veins. (C. Eichler)
N/A
N/A