Belford, D. J. (1984). Tertiary foraminifera and age of sediments, Ok Tedi-Wabag, Papua New Guinea. Bureau of Mineral Resources, Australia, Bulletin. 216: 1-52.

337047

Belford, D. J.

1984

216: 1-52

Publication

https://d28rz98at9flks.cloudfront.net/16/Bull_216.pdf

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Tertiary foraminifera ranging in age from Early Paleocene to Pliocene from the area covered by the Ok Tedi and Wabag 1:250,000 Sheets, Papua New Guinea, are recorded and illustrated. An annotated check list of planktonic foraminifera is given. The faunal sequence in all available sampled sections is discussed and applied to determining ages of the sediments. In some sections, associations of larger and planktonic foraminifera suggest that the presently accepted correlation of the Te/Tf boundary of the letter classification with the N.8/N.9 boundary of the planktonic foraminiferal zonal scheme requires revision. The Te/Tf boundary needs to be lowered in relation to the planktonic scale, possibly to within the N.6-N.7 zonal interval. Six new taxa are described: Globorotalia (Clavatorella) prolata, G. (Fohsella) peripheroacuta pristina, G. (F.) wabagensis, G. (G.) quasimiocenica, G. (Hirsutella) scitula planaria, and G. (Turborotalia) variospira.

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