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Upper Carboniferous

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Example Sentences

Formerly clay-ironstone was raised from the Upper Carboniferous strata.

Small forms from the Upper Carboniferous and Permian formations.

“Demetian” was the corresponding designation proposed by Woodward for the Upper Carboniferous rocks.

Folded amongst the schists are Strips of Upper Carboniferous beds similar to those of the west coast.

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Upper Canadianuppercase