GRD00YLS0
S-5
Shale
Mesozoic › Jurassic › Late Jurassic
145.5
-
161.0
1
Ritter 154
shell fragments
Sundance foramtion; no hand sample, thin section only; thin section in thin section only case in RH 154. Sandy shale with calcite cement
-
-
Wyoming
Lander
N/A
Shell fragment with internal stracture
5.0
plane
shell fragment with internal growth structure
5.0
crossed
-
scan
crossed
GRD00YLT0: Shell fragments with internal structure; occasional bryozoans; some quartz and green (glauconite?) grains in fine grained matrix; some sparry calcite (C. Eichler)
N/A
N/A