Title | Chert from near Joplin, Jasper County, Missouri |
Description | Chert is a name used for a mineral-like mix of fibrous chalcedony with lesser amounts of quartz and opal. It is also the name used to describe a rock made of those materials. This specimen is dense with a light gray color, but chert comes in many different colors. When it has a dark color, it is commonly called flint. Most samples (including this sample) of chert exhibit conchoidal or splintery fracture. This sample is about 9 cm across. |
Chronostratigraphy | Mississippian |
Lithostratigraphy | Boone Chert |
Location | USA ▹ Missouri ▹ Jasper. Near Joplin. |
Photographer | Mike Davis. 2001-04-05. |
Collection | Ward’s Collection of Classic North American Rocks #56. |
Key words | chert, Missouri, Boone Chert |
Tech details | 383 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
GeoDIL number | 291 |
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