Upper Mercer Chert

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Material
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Class Natural Material
Type Stone

Other Names

Similar Materials

Identification

Macroscopic

Converse 2007:192

  • Black with mottled gray or white
  • Glossy gray with darker striations
  • Black with (blue-)grey splotches
  • Occasionally fossiliferous, pure black or with quartz veins

Microscopic

Other

Geologic Context

Upper Mercer Limestone, Pottsville Formation, Pennsylvanian System (Converse 2007:192)

Sources

Primary

Secondary

Map of Source Locations and Relevant Sites

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Red Dot: Source of Upper Mercer Chert; Green Dot: Site assemblage that contains Upper Mercer Chert
Note: In the interest of protecting our shared cultural heritage from those who would do it harm, intentional or otherwise, only approximate site locations are provided here.

Archaeological Contexts

Technological Notes

Images

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