The Virtual Petrified Wood Museum.  Dedicated to the Exhibition and Educational Study of Permineralized Plant Material
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The first two images of the Florence-A chert were taken with a Canon PowerShot SD770 IS Digital ELPH 10.0 MEGA PIXELS, cropped and resized in Adobe Photoshop CS6. The images were taken outside in sunlight.

Florence-A chert or Kay County chert is tan to gray in color but changes to pink or red when heat treated. Florence-A chert often filled with fusulinid fossils. Florence limestone containing the chert outcrops in Kay County, Oklahoma and in some adjacent areas in southern Kansas. Scientist study ancient quarries in Kay County that date to prehistoric times (A.D. 1000-1700). Click on Florence-A chert to see a video produced from the Oklahoma Archeological Survey. Fusulinids are similar to wheat grains in shape and size. The fusulinids in this chert are most likely in the genus Triticites from the Latin for wheat tritic and the English for rock or fossil ite (Borror, 1988, pp 50 and 105).

Fusulinids in Chert

Fusulinids in Cross-Section
Permian
Florence-A chert
Kay County, Oklahoma



Foraminiferan

The next two images were taken at 110x and 200x with a Dino-Lite AD7013 MT 5.0 MP. Images were resized in Adobe Photoshop CS6. The large fusulinid measures 3 millimeters in diameter while the smaller one measures 300 micrometers in diameter.

Fusulinid in Cross-Section
Triticites
 
Bibliography

Borror, D.J. (1988). Dictionary of Word Roots and Combining Forms. California: Mayfield Publishing Company.

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