Assertion: uranium | /r/AtLocation | small amounts
Facets:
value: in nature
type: LOCATION
value: very
type: DEGREE
value: in most rocks
type: LOCATION
Source sentences:
text: Uranium is found in small amounts in most rocks, and even in seawater.
text: Uranium is found in very small amounts in nature in the form of minerals, but it may be processed into a silver-colored metal.