GRD00O6S0

110-G42

Greywacke

Mesozoic › Cretaceous › Late Cretaceous
65.5 - 99.6

1

Ritter 154 › Cabinet 17 › Drawer H

fine-grained,micaceous

Original label: Sardona quartzite. (Sandstone unit in Sardona flysch). Laminated. Clayey is base. Coll No Ma-14. September 1960.

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Switzerland
Roadcut in Krauchthal about 1 km east of Matt
Latitude: 47.0°
Longitude: 9.3°

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Texture of the sample

5.0

plane

Texture of the sample

5.0

crossed

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scan

crossed

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scan

plane

GRD00O6T0: Fine-grained. 95% quartz, 2% biotite, 2% muscovite, 1% opaques. (C. Eichler)

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