Time differences within a calc-alkaline association

B. L. Gulson*, V. M. Bofinger

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


A Strontium isotope study of a high-K diorite complex at Yeoval, N.S.W. (Australia) points to clear time differences (40 m.y.) between the diorite suite (gabbro-diorite-grano-diorite) and surrounding granites. Such a time interval, in association with other data, precludes a genetic relationship between these rock groups whereas the data support a common origin for the diorite suite and associated andesitic volcanics. The low (0.705) initial Sr ratios for the diorite suite and volcanics are similar to those of other diorite and andesite occurrences.

Original languageEnglish
Pages (from-to)19-26
Number of pages8
JournalContributions to Mineralogy and Petrology
Issue number1
Publication statusPublished - Mar 1972
Externally publishedYes


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