GRD01JPS0
W83-117
Siltstone
Paleozoic › Permian › Early Permian › Artinskian
276.0
-
284.0
1
Ritter 154 › Cabinet 22 › Drawer E
laminated
Dark grey laminated siltstone of the Bone Springs formation; quartz grains.
Samples W83-116 and W83-117, see Winterer 1982- 1983 notebook, page 139.
-
Texas
Gualalupe Mountains area
Latitude: 31.92°
Longitude: -104.88°
-
Dark layer with microfossils
5.0
plane
Dark layer with microfossils
5.0
crossed
More siliceous lighter layer
5.0
plane
More siliceous lighter layer
5.0
crossed
-
scan
crossed
-
scan
plane
GRD01JPT0: Quartz grains, recrystallized radiolarians, small bivalve fragments in muddy matrix. Lighter layer is more silica-rich. (C. Eichler)
N/A
N/A