GRD0112S0
W63-151
Breccia
Paleozoic › Ordovician
444.0
-
488.0
1
Ritter 154 › Cabinet 17 › Drawer B
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Brecciated. Tan and brown limestone pebbles in crystalline matrix. Matrix supported. Original label: Marathon limestone.
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Texas
1 mile south of Marathon
Latitude: 30.2°
Longitude: -103.2°
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Sandstone clast in carbonate matrix
2.5
plane
Sandstone clast in carbonate matrix
2.5
crossed
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scan
crossed
GRD0112T0: Thin section mislabelled W63-153. Clasts and pellets in a coarsely-crystalline calcite matrix. Good cleavage in the calcite. Most clasts are fine-grained. The largeest clast contains pellets in a fine-grained crystalline matrix. Some medium-grained sandstone clasts. They contain quartz grains in a fine-calcite matrix. (C. Eichler)
N/A
N/A