High-K diorites, their place in the calc-alkaline association and relationship to andesites

B. L. Gulson*, J. F. Lovering, S. R. Taylor, A. J R White

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Modes, total rock chemistry (including a range of trace elements) and mineral analyses are presented for two selected rocks from the Yeoval (Australia) high-K diorite complex. This and other data show that the high-K diorites may definitely be grouped with calc-alkaline rocks and that the high-K diorites and low-Si diorites are almost identical in chemistry to their fine-grained equivalents. Comparisons of the data are made with other similar rock groups. Criticism is made of the presently used mineralogical classification of diorites and in particular of those diorites rich in potassium. A chemical classification of diorites identical to that used for andesites is proposed.

Original languageEnglish
Pages (from-to)269-279
Number of pages11
JournalLithos
Volume5
Issue number3
DOIs
Publication statusPublished - 1972
Externally publishedYes

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