| Queensland Minerals |
| A Summary of Major Mineral Resources, Mines and Projects, 2nd Edition |
| Mineralisation Age |
| Ore formation at 1595Ma fro U-Pb and Re-Os age |
| dates. Closure temperature for mineralisation was |
| 700 degrees centegrade. |
| Comments |
| Osborne is a blind deposit beneath 20 to 40 m of Mesozoic sediments. Much of the mineralisation is hosted by and overprints banded |
| quartz-magnetite-apatite ironstones developed within the host sequence of metamorphic, igneous and metasomatic rocks. |
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