Not a visible tephra layer: cryptotephra. 114–122 cm depth in core. Glass shards are colourless, pumiceous to highly vesicular and bubble-wall shaped. Their median is about 50 microns, the maximum shard size being 90 microns. Few greenish and rare brownish shards and one single feldspar crystal with a glass rim also occur.
Linking the North Atlantic to central Europe: A high-resolution Holocene tephrochronological record from northern Germany
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