Assertion: ore's mineral | /r/HasProperty | followed by weathering
Facets:
value: into rivers
type: TRANSITIVE-OBJECT
value: into streams
type: TRANSITIVE-OBJECT
Source sentences:
text: Such free gold is always richer at the surface of gold-bearing veins[clarification needed] owing to the oxidation of accompanying minerals followed by weathering, and washing of the dust into streams and rivers, where it collects and can be welded by water action to form nuggets.