C-14 dating of plant macrofossils in lake sediment

Andree, Michael; Oeschger, Hans; Siegenthaler, Ulrich; Riesen, Trudi; Möll, Markus; Ammann, Brigitta; Tobolski, Kazimierz (1986). C-14 dating of plant macrofossils in lake sediment. Radiocarbon, 28(2A), pp. 411-416. Arizona Board of Regents, University of Arizona

[img] Text
949-1200-1-PB.pdf - Published Version
Restricted to registered users only
Available under License Publisher holds Copyright.

Download (568kB) | Request a copy

Macrofossils of terrestrial plants have been picked from a sediment core taken in Lake Lobsigen, a small lake on the Western Swiss Plateau. The sediments were previously analyzed for pollen composition, plant and animal macrofossils, and stable isotopes. Plant macrofossils were selected near pollen zone boundaries in Late Glacial and early Postglacial sediment for C-14 dating by AMS. In the same lake carbonate and gyttja (aquatic plant) samples were dated by decay counting. The dates on terrestrial material are generally younger than those on carbonate and gyttja, ie, material reflecting the C-14/C ratio of dissolved bicarbonate in lake water. This is probably due to a contribution of dissolved limestone carbonate and thus a somewhat reduced C-14/C, ratio in the lake's water (hard water effect).

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS) > Palaeoecology
08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS)

UniBE Contributor:

Möll, Markus and Ammann, Brigitta

Subjects:

500 Science > 580 Plants (Botany)

ISSN:

0033-8222

Publisher:

Arizona Board of Regents, University of Arizona

Language:

English

Submitter:

Peter Alfred von Ballmoos-Haas

Date Deposited:

15 Jan 2018 16:11

Last Modified:

15 Jan 2018 16:11

Uncontrolled Keywords:

Lake Lobsigen; lake sediments; Plantae; Central Europe; Switzerland; Europe; Cenozoic; Quaternary; geochronology; C 14; carbon; dates; isotopes; radioactive isotopes;absolute age

BORIS DOI:

10.7892/boris.101253

URI:

https://boris.unibe.ch/id/eprint/101253

Actions (login required)

Edit item Edit item
Provide Feedback