A Re–Os isochron age is reported for massive sulfides from near the basal contact of the Radio Hill layered mafic‐ultramafic intrusion in the west Pilbara Craton, Western Australia. The isochron age is 2892 ± 34 Ma (mean square of weighted deviates = 1.06) with an initial 187 Os/ 188 Os = 0.1265 ± 0.0028. This age is in agreement with the ages of other nearby layered mafic intrusions that are considered to have a similar geological evolution to the Radio Hill Intrusion.
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layered mafic intrusions;
Document Type: Research Article
Australian Crustal Research Centre, Monash University, PO Box 28E, Vic. 3800, Australia
Division of Earth Sciences, National Science Foundation, 4201 Wilson Boulevard, Arlington, VA, 22230, USA
Australian Geological Survey Organisation, GPO Box 378, Canberra, ACT 2601, Australia
Publication date: February 1, 2001