The origin of high δ18O zircons: marbles, megacrysts, and metamorphism

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The origin of high δ18O zircons: marbles, megacrysts, and metamorphism

The oxygen isotope ratios (δ18O) of most igneous zircons range from 5 to 8‰, with 99% of published values from 1345 rocks below 10‰. Metamorphic zircons from quartzite, metapelite, metabasite, and eclogite record δ18O values from 5 to 17‰, with 99% below 15‰. However, zircons with anomalously high δ...

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Bibliographic Details
Main Authors:	Cavosie, Aaron, Valley, J., Kita, N., Spicuzza, M., Ushikubo, T., Wilde, Simon
Format:	Journal Article
Published:	Springer 2011
Subjects:	Oxygen isotopes Megacryst SIMS Marble Mogok Sri Lanka Zircon
Online Access:	http://hdl.handle.net/20.500.11937/49216

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