(of a marine deposit) made of material eroded from the land.
- ‘Vancouver Island is regarded as the source of terrigenous material of the Hoko River Formation due to its matching lithologies, close proximity, and agreement with paleocurrent directions.’
- ‘The specimen was buried by a rapid influx of terrigenous mud.’
- ‘The composition of terrigenous sedimentary rocks would merely reflect the compositional aggregate of their source areas.’
- ‘The rocks contain abundant terrigenous clay and organic matter.’
- ‘The bay bottom is characterized mainly by fine-grained terrigenous sediments (silt and very fine sand) with a considerable admixture of terrestrial organic matter.’
Late 17th century (in the sense produced from the earth, earth-born): from Latin terrigenus (from terra earth + -genus born) + -ous.