1832 C. Babbage xi. 62 The finest river silt, carefully separated from all the coarser particles, and mixed with water so as to have the have consistency of cream.
1876 D. Page (ed. 6) ix. 171 The gigantic bird-bones found in the river-silts of New Zealand.
2007 I. McDonald 134 The anchors rose from the water, gray and slimy with river silt.