West Eifel Volcanic Field

Lake type:

volcanic (maar)

Category: mixed varves


425 m asl

Max depth:

20 m

Surface area:

0.058 km2

Catchment area:

2.058 km2

Length of record:

23220 years

Archive type:

lacustrine sediments

Author of images:

Bernd Zolitschka


Zolitschka, B., A. Brauer, H. Stockhausen, A. Lang & J.F.W. Negendank (2000): Annually dated late Weichselian continental palaeoclimate record from the Eifel, Germany. Geology, 28: 783-786.

Link to reference or DOI:


Site images

Aerial photography of Holzmaar > max. resolution

Radiography of organo-clastic varves from Lake Holzmaar, West-Eifel Volcanic Field, western Germany. This image from the early Holocene section of the record (870 cm sediment depth) has been obtained with a conventional medical X-ray equipment. > max. resolution

Organic (diatomaceous) varved lake sediments from Holzmaar, Eifel, Germany. Left: Macroscopic view showing sublaminae composed of diatoms (pale laminas) and organic detritus (dark laminas). Center & Right: Close-up showing the internal varve structure with massive planktonic diatom blooms in pale laminas and larger benthic and epiphytic diatoms in dark laminas. > max. resolution

Organo-clastic varves of Holzmaar (scale in cm). > max. resolution