Assertion: chalcopyrite's property | /r/HasProperty | acquired by riocanex inc.
Facets:
value: in 1981
type: TEMPORAL
value: in 1982
type: TEMPORAL
Source sentences:
text: In 1981 and 1982 the property was acquired by Riocanex Inc. who completed a program of geological mapping, geochemical soil sampling, trenching and rock chip sampling.