Abstract
Evidence of at least five silicic and one basaltic tephra layers of Holocene age have been found in the Faroe Islands. All these tephras are likely to have originated in Iceland. In addition, historical records suggest fallout may have occurred after three recent eruptions of Katla in 1625 AD, 1660 AD, 1755 AD, but this has yet to be confirmed with finds of tephra. The one basaltic layer currently known in Faroe is called the Saksunarvatn tephra, and was deposited about 9100 BP. It forms an important regional isochrone, that is present throughout the north-east Atlantic region. We report new geochemical data on the Saksunarvatn tephra from the type site, and an older silicic tephra designated L3574. While the identity of the two youngest Holocene silicic tephras found in Faroe remains uncertain, we present geochemical data on two mid-Holocene silicic tephras which identifies them as the Icelandic tephras H-4 (3800 BP) and H-S (3500 BP).
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