Triassic–Jurassic granites on the Lord Howe Rise, northern Zealandia

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Title

Triassic–Jurassic granites on the Lord Howe Rise, northern Zealandia

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Description

We present U–Pb zircon ages from a phosphate-cemented pebbly sandstone dredged from the central Lord Howe Rise and a 97 Ma rhyolite drilled on the southern Lord Howe Rise. Four granitoid pebbles from the sandstone give U–Pb ages in the range 216–183 Ma. Most detrital zircons in the bulk sandstone are also Late Triassic–Early Jurassic, but subordinate populations of Late Cretaceous and Precambrian zircons are present. The pebbly sandstone's highly restricted Late Triassic–Early Jurassic zircon...

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Date created

17 Nov, 2015

Creator

N. Mortimer / R. E. Turnbull / J. M. Palin / A. J. Tulloch / N. Rollet / T. Hashimoto

URL

https://figshare.com/articles/journal_contribution/Triassic_8211_Jurassic_granites_on_the_Lord_Ho...

Related subjects

pebbly / 97 Ma rhyolite / Lord Howe Rise / jurassic / Lord Howe Rise rhyolite / Sandstone / new zealand / zircon / Mesozoic magmatic arc / triassic / Inorganic Chemistry / Information and Computing Sciences / Biological Sciences / Sociology / Ecology / Chemistry / Earth and Environmental Sciences / Geology / Evolutionary Biology

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