Jökull - 01.01.2012, Síða 81

Distal tephrochronology of NW Europe
Hekla-4 (um 4260 ára), Hekla-S/Kebister (um 3700
ára), Hekla-3 (um 3000 ára) og Askja-1875. Önnur
gjóskulög hafa aðeins fundist á einum stað og eru því
ekki enn mikilvæg sem leiðarlög, en gætu orðið það í
framtíðinni.
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