Assertion: heap leaching | /r/AtLocation | early development stage
Facets:
value: very much
type: DEGREE
Source sentences:
text: However, it is also important to remember that just 30 years ago, gold heap leaching was very much still at an early development stage: the 1985 edition of the SME’s mineral processing handbook barely mentions it, with little more coverage given to heap-leaching copper either.