GRD010ES0
110-C233
Grainstone
Cenozoic › Paleogene › Eocene
33.9
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55.8
1
Ritter 154 › Cabinet 18 › Drawer G
nummulitic
Grey granular limestone. Original label: Nummulitic rock. Float in small south-flowing tributary to Krauchthal. Coll. No. Ma-16. September 1960.
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-
Switzerland
About 1 kilometer east of Matt
Latitude: 46.9594°
Longitude: 9.1881°
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Nummulites
2.5
plane
Nummulites
2.5
crossed
-
scan
crossed
-
scan
plane
GRD010ET0: Nummulites, many with internal structure, are abundant. They conatin a small, spar-filled central chamber with lens of thick, radially-crystalline limestone. Small angular quartz with undulose extinction in fine-grained silty matrix. (C. Eichler)
N/A
N/A