detritus vs tailings

detritus

noun
  • Organic waste material from decomposing dead plants or animals. 

  • Any debris or fragments of disintegrated material. 

  • Pieces of rock broken off by ice, glacier, or erosion. 

tailings

noun
  • The waste that remains after the minerals have been extracted from an ore by ore dressing. 

  • The feints, the last fraction of product obtained at the end of distillation. 

How often have the words detritus and tailings occurred in a corpus of books? (source: Google Ngram Viewer )