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Partially pyritised Holocene Banksia cones from Tianjara Plateau, New South Wales

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posted on 2023-05-17, 22:16 authored by Gibson, JAE, Gregory JordanGregory Jordan, Gibson, DL
Partially mineralised Banksia ericifolia L.f. cones collected from the Tianjara Plateau, New South Wales are described. The fossils have an outer layer of pyrite covering a charcoal interior. The cones were burnt prior to burial. Adsorbed organic material was subsequently oxidised under anaerobic conditions. Pyrite was formed by the precipitation of sulphide, produced by the concomitant reduction of sulphate, and ferrous ions. Carbon dating of material from the inside of one sample gave a conventional radiocarbon age of 6130 ± 80 BP.

History

Publication title

Proceedings of the Linnean Society of New South Wales

Volume

114

Pagination

171-177

ISSN

1839-7263

Department/School

Institute for Marine and Antarctic Studies

Publisher

Linnean Society of New South Wales

Place of publication

Kingsford, Australia

Rights statement

Licenced under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0) http://creativecommons.org/licenses/by-nc-sa/3.0/

Repository Status

  • Open

Socio-economic Objectives

Expanding knowledge in the environmental sciences

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