GRD010GS0
110-C209
Pelagic Limestone
Paleozoic › Silurian › Early Silurian
428.0
-
444.0
1
Ritter 154 › Cabinet 21 › Drawer D
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Grey limestone with thin darker beds. Original label: Very thin-bedded limestone. Tonoloway limestone. Coll. No. P.T. 400b. May 1951.
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Pennsylvania
Penn. Turnpike section. U.S. 30 at MP 34.45
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Bands of micrite; micrite and sparrite; and fine sparrite.
5.0
plane
Bands of micrite; micrite and sparrite; and fine sparrite.
5.0
crossed
-
scan
crossed
-
scan
plane
GRD010GT0: Bands of micrite; micrite and sparrite; and fine sparrite. No fossil material. ~2 to 4% pores of sand size and sharp outlines (dissolved quartz grains or evaporite?) Styolites with dark brown clay cross slide. (J. Gee)
N/A
N/A