Assertion: carnotite | /r/HasProperty | closed
Facets:
value: to the migration of uranium
type: CAUSE
value: nearly
type: DEGREE
Source sentences:
text: The unexpectedly widespread deficiencies in both 227Ac and 210Pb indicate that although carnotites are nearly closed to the migration of uranium, they are open to those of actinium and to lead, radon or radium.