In roadcut on Highway 39 about 1/2 mile East of 6 mile corner north of Fredonia
Measured By H.C. Wagner, 5/2/1952
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Description |
Thickness |
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1
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Chert gravel - subangular chert pebbles ranging in size from 1/4 inch to 2 inches with a few subrounded to rounded sandstone pebbles. No gradation of pebbles is apparent but most frequent sizes are between 1/4 and 3/4 inch. Chert pebbles are grayish orange (10YR7/4) in color and a few had fossils in them (fusulinids and brachiopods). The sandstone pebbles are generally about light brown (5R5/6) and are very fine grained. The pebbles are held in a light brown (5R5/6) matrix of clay and silt with many scattered sand grains. The chert gravels sometimes make up the entire bed; in other places they occur as thin 1-5 inch lenticular bodies in a light brown (5YR5/6) clayey siltstone.
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