GRD00X9S0

S-112

Grainstone

Paleozoic › Silurian
416.0 - 444.0

1

Ritter 154 › Cabinet 2 › Drawer H

Encrinal

Encrinal limestone. Coarse-grained with crinoid stems. Some stems pieces are pink, others are white. See also 110-C125.

another sample from Lockport 110 C125

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New York
Lockport
Latitude: 43.17°
Longitude: -78.7°

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Crinoid stem fragment in cross-section

2.5

plane

Crinoid stem fragment in cross-section

2.5

crossed

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scan

crossed

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scan

plane

GRD00X9T0: Large encrinal fragments with sparrite between the grains. Crinoid fragments are individual crystals (i.e. go extinct uniformally). (C. Eichler)

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