Assertion: cyanide leaching | /r/HasProperty | owing
Facets:
value: to date
type: TEMPORAL
value: to low cost
type: CAUSE
value: to be the predominant method
type: PURPOSE
value: to its simple process
type: OTHER
Source sentences:
text: To date, cyanide-assisted gold leaching has been considered to be the predominant method for gold extraction owing to its simple process and low cost.