GRD010KS0

110-C210

Graded Beds

Paleozoic › Silurian › Early Silurian
428.0 - 444.0

1

Ritter 154 › Cabinet 18 › Drawer Q

pellets,shell fragments,sponge spicules

Black limestone with large white calcite vein. Cut surface shows light and dark beds. Original label: Tonoloway limestone. Showing cut and fill and graded bedding. Coll. No. P.T. 400c. May 1951.

-

-

Pennsylvania
Penn. Turnpike section U.S. 30 at MP 34.45
Latitude: 40.92°
Longitude: -79.44°

-

Layer A: Ostracods in micrite

5.0

plane

Layer A: Ostracods in micrite

5.0

crossed

Layer B: Pelletoid-shell fragments

5.0

plane

Layer B: Pelletoid-shell fragments

5.0

crossed

Layer D: Oolite pelsparite

5.0

plane

Layer D: Oolite pelsparite

5.0

crossed

-

scan

crossed

-

scan

plane

GRD010KT0: Various layers: A) Ostracods (?) in micrite mud with opaque material B) A pelletoid (compacted)-shell fragment-oolitic microsparrite. C) Like bed B but dispersed in micrite. D) Oolite pelsparite, compacted. (J. Gee)

N/A

N/A