GRD0108S0

110-C146

Oolitic Limestone

Paleozoic › Silurian › Late Silurian
416.0 - 423.0

1

Ritter 154 › Cabinet 18 › Drawer B

ooids

Upper Silurian. Black granular limestone with white calcite veins. Original label: Bossardville limestone, Coll. No. 173; RS 60.

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Pennsylvania
Milton
Latitude: 41.01°
Longitude: -76.85°

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2.5

plane

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2.5

crossed

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scan

crossed

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scan

plane

GRD0108T0: Ooids grown around shell fragments and ostracods (?), internal structure in many ooids. Small subrounded grains of pelletal limestone containing ostracods. Sparry interstitial calcite. Some grains are grapestones of multiple oolites and shell fragments in micrite matrix. (C. Eichler and J. Gee)

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