GRD00NES0

110-S63

Sandstone

Mesozoic › Triassic
201.6 - 251.0

1

Ritter 154 › Cabinet 17 › Drawer G

dropstone

Occasional dropstones in sandstone. Original label: Red sandstone. Penrith. Triassic. Coll. No. 145.

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United Kingdom
Penrith, Cumberland
Latitude: 54.67°
Longitude: -2.75°

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Texture of the Sample

5.0

plane

Texture of the Sample

5.0

crossed

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scan

crossed

GRD00NET0: 94% quartz, 5% opaques, 1% feldspar. Trace muscovite. Large quartz and quartzite grains in finer quartz matrix. Most grains are rounded, quartz has undulose extinction (C. Eichler)

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