GRD01CYS0
W79-195
Graded Beds
Mesozoic › Jurassic
145.5
-
201.6
1
Ritter 154 › Cabinet 18 › Drawer R
radiolarians,shell fragments
Red radiolarite-rich limestone. Graded bedding, coarser grains at base followed by shells, then shells and radiolarians.
Sample W79-195 through W79-203 see Winterer 1979 notebook, pages 93 through 94, see McBride_JSedPet_79.pdf for another description of section.
-
Italy
Monte Cetona
Latitude: 42.93°
Longitude: 11.88°
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Shells are more abundant the radiolarians
2.5
plane
Shells are more abundant the radiolarians
2.5
crossed
Radiolarians are more abundant the shells
2.5
plane
Radiolarians are more abundant the shells
2.5
crossed
-
scan
crossed
-
scan
plane
GRD01CYT0: 40 to 50% radiolarians and 20% shell fragments. Graded bedding. Some portions of the thin section have more shell fragments than radiolarians and vice versa. The shells become more abundant near the thin end of the sample. (C. Eichler)
N/A
N/A