| Queensland Minerals |
| A Summary of Major Mineral Resources, Mines and Projects, 2nd Edition |
| Host Rock/Cover Sequences |
| Structural Unit |
| Formation Name/Age |
| Balcooma Metavolcanic Group / LATE CAMBRIAN to EARLY |
| ORDOVICIAN |
| Deposit Model |
| V.M.S. - KUROKO STYLE (NORANDA, FELSIC TO |
| INTERMED VMS TYPE) |
| Mineralisation Age |
| Comments |
| The discovery of the Surveyor-1 gossan in 1975 was the initial discovery in the Balcooma massive sulphide province. The deposit |
| consists of synformal sulphide lens in the keel of a south plunging fold hosted by tuffs of the Balcooma Metavolcanics. |
| A footwall stringer and disseminated zone occurs beneath the lens. Alteration is predominantly sericitic and confined to the tuffaceous |
| footwall. The Surveyor East mineralisation occurs as a small shallow deposit 150m east of Surveyor-1. |
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