Assertion: empire's resource | /r/HasProperty | iron ore
Facets:
value: notably
type: DEGREE
Source sentences:
text: In addition to income from passing trade, the Ghana Empire had access to its own resources, notably iron ore and gold from the fields of Bambuk, which the elite used to exchange for such luxury goods as fine textiles, beads, copper, and horses, which were all brought by Arab traders from the north.