Assertion: debris | /r/HasProperty | less than 0.6 mm
Facets:
Source sentences:
text: Pyroclastic materials are classified according to their size, measured in millimetres: dust (less than 0.6 mm [0.02 inch]), ash (fragments between 0.6 and 2 mm [0.02 to 0.08 inch]), cinders (fragments between 2 and 64 mm [0.08 and 2.5 inches], also known as lapilli), blocks (angular fragments greater than 64 mm), and bombs (rounded fragments greater than 64 mm).