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Locality |
Layer |
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Atoka Fm. |
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Belle City Lst. of Seminole Fm. |
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Belle Plains Fm. |
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Cherokee Fm. |
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Cherry Valley Lst. |
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Coal Measures ? |
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Coal Measures,unrecognised |
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Devonian |
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|
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Gaptank Fm., near top |
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Graford Fm. |
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Graham Fm. |
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Hunsrück Shale |
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Iatan Lst. of Pedee Group |
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Knobstone Group |
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LaSalle Fm. of McLeansboro Group |
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Maokou Fm., undifferentiated |
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Middle Coal Measures |
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Middle Coal Measures, Des Moines Fm. |
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Middle Devonian |
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Millsap Lake Fm., Kickapoo Falls Lst. |
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Nelagoney Fm. |
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Nellie Bly Fm. |
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Onondaga M. of Romney Fm. |
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P1a |
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Seminole Fm. |
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Stranger Fm. of Douglas Group |
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Timorites Zone |
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Upper Coal Measures |
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|
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Upper Devonian |
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Visean |
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Zhigulevskian |
|
|
|
do I |
|
|
|
unrecognized |
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|
upper Strawn |