Articles | Volume 2, issue 2
Geochronology, 2, 283–303, 2020
https://doi.org/10.5194/gchron-2-283-2020
Geochronology, 2, 283–303, 2020
https://doi.org/10.5194/gchron-2-283-2020

Research article 22 Oct 2020

Research article | 22 Oct 2020

Resolving multiple geological events using in situ Rb–Sr geochronology: implications for metallogenesis at Tropicana, Western Australia

Hugo K. H. Olierook et al.

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Short summary
Using a relatively new dating technique, in situ Rb–Sr geochronology, we constrain the ages of two generations of mineral assemblages from the Tropicana Zone, Western Australia. The first, dated at ca. 2535 Ma, is associated with exhumation of an Archean craton margin and gold mineralization. The second, dated at ca. 1210 Ma, has not been previously documented in the Tropicana Zone. It is probably associated with Stage II of the Albany–Fraser Orogeny and additional gold mineralization.