GRD00ZPS0

110-CB42

Conglomerate

Mesozoic › Triassic
201.6 - 251.0

1

Ritter 154 › Cabinet 17 › Drawer C

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Large quartzite pebble in hand sample and thin section. Original label: Shinarump shale-chip conglomerate. Looks like deoxidized shale of the red beds below; Feb 1951, Coll. No. 14.

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Arizona
On Highway W of Cameron
Latitude: 35.8°
Longitude: -111.5°

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Very small fine-grained clast and quartz grains in muddy matrix

2.5

crossed

Very small fine-grained clast and quartz grains in muddy matrix

2.5

plane

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scan

crossed

GRD00ZPT0: Angular quartz grains. Very small quartzite and shale (fine-grained) grains. Occasional iron stains. Large quartzite pebble in corner of thin section. (C. Eichler)

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