Assertion: sediment | /r/CapableOf | accumulate below adjacent columbia river delta
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Source sentences:
text: Estuarine, deltaic and margin deposits accumulating below well-oxygenated waters of the Arctic margin, the St Lawrence estuary and gulf, the Mexican margin (stations 303–305), the Eel River basin, the Washington coast and the adjacent Columbia River delta are also examined along with pelagic sediments from the Southern Ocean, the Santa Barbara basin (station M) and the equatorial Pacific Ocean.