Hillite vs Tillite - What's the difference?
hillite | tillite |
(mineral) A triclinic-pinacoidal mineral containing calcium, hydrogen, magnesium, oxygen, phosphorus, sodium, and zinc.
(geology) Glacial till cemented into a solid rock.
*2004 , (Richard Fortey), The Earth , Folio Society 2011, p. 127:
*:The most straightforward example is probably provided by tillites .