Time differences within a calc-alkaline association

B. L. Gulson; V. M. Bofinger

doi:10.1007/BF00372831

Time differences within a calc-alkaline association

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

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

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 language	English
Pages (from-to)	19-26
Number of pages	8
Journal	Contributions to Mineralogy and Petrology
Volume	36
Issue number	1
DOIs	https://doi.org/10.1007/BF00372831
Publication status	Published - Mar 1972
Externally published	Yes

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abstract = "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.",

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AB - 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.

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Time differences within a calc-alkaline association

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