Radiocarbon dating bp
The dates quoted are uncalibrated radiocarbon years BP.
All radiocarbon samples listed here are taken on charcoal or ash and are conventional radiocarbon dates, unless otherwise stated. Stratigraphy and chronology of a 15 ka sequence of multi‐sourced silicic tephras in a montane peat bog, eastern North Island, New Zealand. Evidence for a very high carbon/iridium ratio in the Tunguska impactor. Paleo-environment and radiocarbon calibration as derived from Lateglacial/Early Holocene tree-ring chronologies. Friedrich, Michael Kromer, Bernd Spurk, Marco Hofmann, Jutta and Felix Kaiser, Klaus 1999.