Assertion: silt | /r/Synonym | rock flour
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Silt is sometimes known as "rock flour" or "stone dust", especially when produced by glacial action.
text: Silt is sometimes known as "rock flour" or "stone dust", especially when produced by glacial action.
text: Silt is sometimes known as 'rock flour' or 'stone dust', especially when produced by glacial action.