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Potassium–Argon Age of Plutonic Intrusives on Cape Colville Peninsula and Cuvier Island, New Zealand

Abstract

THIS communication reports the results of potassium–argon age determinations of biotite and hornblende concentrates from each of two quartz diorite samples of the Paritu Pluton (36° 32′ S., 175° 20′ E.), and of plagioclase and biotite from the hornfels on Cuvier Island (36° 26′ S., 175° 46′ E.) from which we were able to obtain an estimate of the age of the Cuvier Plutonics (Table 1).

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RICHARDS, J., COOPER, J. & BLACK, P. Potassium–Argon Age of Plutonic Intrusives on Cape Colville Peninsula and Cuvier Island, New Zealand. Nature 211, 725–726 (1966). https://doi.org/10.1038/211725a0

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