Mazarn Shale

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Mazarn Shale
Stratigraphic range: Ordovician
TypeFormation
Unit ofnone
Sub-unitsnone
UnderliesBlakely Sandstone
OverliesCrystal Mountain Sandstone
Thickness1000 to 2500+ feet[1]
Lithology
PrimaryShale
Location
RegionArkansas, Oklahoma
CountryUnited States
Type section
Named forMazarn Creek, Montgomery County, Arkansas
Named byHugh Dinsmore Miser[2]

The Mazarn Shale is an Early Ordovician geologic formation in the Ouachita Mountains of Arkansas and Oklahoma. This interval was first described in 1892,[3] but remained unnamed until 1918 as part of a study by U.S. Geological Survey geologist Hugh Dinsmore Miser.[2]

Paleofauna

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C. wrighti[4]
C. antennarius[4]
D. caduceus[4]
D. caduceus nana[4]
D. extensus[4][5]
D. filiformis[4]
D. nitidus[4]
D. similis[4]
G. hystrix[4]
P. typus[4]
T. clarkei[4]
T. fruticosus[4]
T. quadribrachiatus[4]
T. pendens[4]
T. serra[4]
T. similis[4]

See also

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References

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  3. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
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  5. ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).