GRD00TVS0
110-CH17
Chert
Mesozoic › Cretaceous
65.5
-
145.5
1
Ritter 154 › Cabinet 18 › Drawer N
foraminifera,recrystallization,flint
Original label: Flint, Coll. No. 61.
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-
United Kingdom
Kent
Latitude: 51.27°
Longitude: 0.52°
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Crystallized foraminifera in cloudy layer
10.0
plane
Contact between the cloudy layer (right) and clear layer (left).
2.5
plane
Contact between the cloudy layer (right) and clear layer (left). Note that both contain carbonate crystals.
2.5
crossed
-
scan
crossed
-
scan
plane
GRD00TVT0: Two concentric layers of chert. The cloudier layer seems to be slightly more siliceous and contains indistinct recrystallized foraminifera. Both layers contain recrystallized radiolarians and carbonate rhombs (recrystallized microfossils?). There is a large carbonate rhomb in the center of the sample. (C. Eichler)
N/A
N/A