Several Mississippi Valley Type deposits of Pb and Zn were identified in the carbonate Pillara and Emanuel Ranges of the Lennard Shelf during the 1970s to 1990s. A joint venture between BHP Minerals Ltd and Billiton Australia saw the deposits defined and in 1988 an
underground mine and a concentrating mill commissioned
at the Cadjebut site approximately 80km southeast of Fitzroy Crossing. In 1994 the Lennard Shelf operations were purchased by a junior mining company; Western Metals Ltd. Western Metals continued mining the Cadjebut deposit and over the following three years developed the satellite Goongewa and Kapok underground mines to feed the Cadjebut mill. Mining at Cadjebut ended in 1997,
feed to the mill continued from the Goongewa and Kapok mines until 2001 when the Cadjebut mill was decommissioned.