The nature of zircon inheritance in two granite plutons

B. A. Paterson*, W. E. Stephens, G. Rogers, I. S. Williams, R. W. Hinton, D. A. Herd

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingChapter

    5 Citations (Scopus)


    Using zircons taken from two granite plutons, Strontian (Caledonian, northwestern Scotland) and Kameruka (Bega Batholith, southeastern Australia), this study presents observations that have a bearing on refractory zircons as provenance indicators. Two broad textural types of refractory zircon were identified: (1) those which show simple two-stage growth histories; and (2) those which have apparently undergone repeated periods of growth, resorption, mechanical abrasion, fracturing and fracture-healing. SHRIMP U - P b ages obtained from the Kameruka zircons indicate that the cores are the textural manifestation of inheritance. The shapes of refractory cores are not unambiguously indicative of their ultimate origin, since they may also be modified by processes that occur before and after incorporation into the magma. The cores within the two populations show a great diversity in types and styles of zoning, and in composition, implying that they have not chemically equilibrated internally, or externally with their host melt.

    Original languageEnglish
    Title of host publicationThe Second Hutton Symposium on the Origin of Granites and Related Rocks
    EditorsP.E. Brown, B.W. Chappell
    PublisherGeological Society of America
    Number of pages13
    ISBN (Print)9780813722726
    Publication statusPublished - 1992

    Publication series

    NameGSA Special Papers
    PublisherGeological Society of America


    • Bega Batholith
    • Caledonian
    • Core
    • Electron microprobe
    • Growth histories
    • Hf
    • Ion microprobe
    • Mineral zoning
    • Nd isotopes
    • REE
    • Rim
    • SHRIMP
    • Th
    • U


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