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stratigraphic▼◼◼◼(relating to the arrangement of stratigraphy or strata)adjective[UK: ˌstræ.tə.ˈɡræ.fɪk] [US: ˌstræ.tə.ˈɡræ.fɪk]
biostratigraphic▼◼◼◼adjective
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