Assertion: carnotite | /r/HasProperty | difficult
Facets:
value: often
type: DEGREE
value: below 0.20 per cent
type: OTHER
value: in poorer deposits
type: LOCATION
value: to distinguish it
type: PURPOSE
Source sentences:
text: In the higher-grade deposits (more than one-third of 1 per cent U 3 O 8 ), the carnotite is present in sufficient quantity to color the rock a bright yellow; but in poorer deposits, particularly below 0.20 per cent U3O 8 , it is often difficult to distinguish it from the sandstone itself.