The term diamictite is often applied to nonsorted or poorly sorted, lithified glacial deposits such as glacial tillite and boulder clay, and diamictites are often mistakenly interpreted as having an essentially glacial origin (see Snowball Earth).
The term "diamictite" refers to unsorted or poorly sorted, lithified glacial deposits like glacial till and boulder clay. This term is sometimes mistakenly interpreted as having an essentially glacial origin, which is not always true.