GRD00TSS0
110-CH 41
Chert
Paleozoic
251.0
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542.0
1
Ritter 154 › Cabinet 18 › Drawer N
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Original label: Black Chert. 1951. Coll. No. 144.
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Texas
about 2 miles south of Marathon
Latitude: 30.157°
Longitude: -103.236°
GRD00TST0: Bedded chert with pervasive carbonate veins cross-cutting the beds. Sparry crystal growth along vein walls. Opaque minerals throughout sample. Rounded quartz grains in the more coarse-grained beds. Sample capped by a fine-grained carbonate layer and coarse-grained bed of quartz and skeletal material. (C. Eichler)
N/A
N/A