“The prospectors were extracting gold in the mine when it collapsed due the ground humidity,” RNA said.
Huíla Province, about 904km south of Luanda, is rich in mineral resources, that tend to attract people from far and wide.
Last month
The minerals found in Huíla Province include iron, gold, kaolin, diamonds, manganese, mica and black granite.
Cases of mines collapsing and trapping prospectors are commonplace in southern Africa.
An incident in Zimbabwe last month killed at least 24 illegal miners.