Assertion: copper bearing biotite | /r/CapableOf | alter into copper-bearing products
Facets:
value: through the following two mechanisms
type: MANNER
Source sentences:
text: The main reason for the occurrence of biotite aggregations was that partial copper-bearing biotite could alter into copper-bearing products through the following two mechanisms, and the copper-bearing products were mainly copper-bearing chlorite, malachite or copper-bearing limonite.