Definition of "sediments" [sediments]

• Plural form of sediment. (noun)

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• "Abundant tiny particles of diamond dust exist in sediments dating to 12,900 years ago at six North American sites, adding strong evidence for Earth's impact with a rare swarm of carbon-and-water-rich comets or carbonaceous chondrites, reports a nine-member scientific team."
• "And it was discovered in sediments that are around 36 million years old."
• "The eastern half of Marajó island, on older Tertiary sediments, is covered by flooded savanna (campo) and humid terra firme forest, the forest being fairly homogeneous and distinct from the inundated forest in the west."