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Refined depositional history and dating of the Tongaporutuan reference section, north Taranaki, New Zealand: new volcanic ash U-Pb zircon ages, biostratigraphy and sedimentation rates

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KL Maier, MP Crundwell, MA Coble, PR King & SA Graham (2016) Refined depositional history and dating of the Tongaporutuan reference section, north Taranaki, New Zealand: new volcanic ash U–Pb zircon ages, biostratigraphy and sedimentation rates, New Zealand Journal of Geology and Geophysics, 59:2, 313-329, DOI:10.1080/00288306.2015.1132744

Summary

This study presents new radiometric ages from volcanic ash beds within a c. 1900 m thick, progradational, deep-water clastic slope succession of late Miocene age exposed along the north Taranaki coast of the North Island, New Zealand. The ash beds yield U–Pb zircon ages ranging from 10.63 ± 0.65 Ma to 8.97 ± 0.22 Ma. The new ages are compatible with and provide corroboration of New Zealand Tongaporutuan Stage planktic foraminiferal and bolboformid biostratigraphic events identified in the same section. The close accord between these two age datasets provides a stratigraphically consistent and coherent basis for examining margin evolution. The arrival of a prograding clastic wedge and ensuing upward shoaling is recorded by sedimentation [...]

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Type Scheme Key
local-index unknown 70173827
local-pk unknown 70173827
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1080/00288306.2015.1132744
series unknown New Zealand Journal of Geology and Geophysics

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journalNew Zealand Journal of Geology and Geophysics
parts
typevolume
value59
typeissue
value2
languageEnglish
citationTypeArticle

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